Hilton Head Island weather by month

Check out Hilton Head Island weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Hilton Head Island (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
57°F maximum daytime temperature in January in Hilton Head Island57
61°F maximum daytime temperature in February in Hilton Head Island61
68°F maximum daytime temperature in March in Hilton Head Island68
75°F maximum daytime temperature in April in Hilton Head Island75
82°F maximum daytime temperature in May in Hilton Head Island82
88°F maximum daytime temperature in June in Hilton Head Island88
90°F maximum daytime temperature in July in Hilton Head Island90
88°F maximum daytime temperature in August in Hilton Head Island88
84°F maximum daytime temperature in September in Hilton Head Island84
77°F maximum daytime temperature in October in Hilton Head Island77
68°F maximum daytime temperature in November in Hilton Head Island68
61°F maximum daytime temperature in December in Hilton Head Island61
Min temperature (night-time)
39°F minimum night-time temperature in January in Hilton Head Island39
41°F minimum night-time temperature in February in Hilton Head Island41
48°F minimum night-time temperature in March in Hilton Head Island48
55°F minimum night-time temperature in April in Hilton Head Island55
64°F minimum night-time temperature in May in Hilton Head Island64
70°F minimum night-time temperature in June in Hilton Head Island70
73°F minimum night-time temperature in July in Hilton Head Island73
73°F minimum night-time temperature in August in Hilton Head Island73
70°F minimum night-time temperature in September in Hilton Head Island70
59°F minimum night-time temperature in October in Hilton Head Island59
50°F minimum night-time temperature in November in Hilton Head Island50
43°F minimum night-time temperature in December in Hilton Head Island43
Heat & Humidity
No heat & humidity in January in Hilton Head Island0
No heat & humidity in February in Hilton Head Island0
No heat & humidity in March in Hilton Head Island0
No heat & humidity in April in Hilton Head Island0
Moderate heat & humidity in May in Hilton Head IslandM
High heat & humidity in June in Hilton Head IslandH
Very high heat & humidity in July in Hilton Head IslandVH
Very high heat & humidity in August in Hilton Head IslandVH
High heat & humidity in September in Hilton Head IslandH
Low heat & humidity in October in Hilton Head IslandL
No heat & humidity in November in Hilton Head Island0
No heat & humidity in December in Hilton Head Island0
Sea temperature
63°F sea temperature in January in Hilton Head Island63
61°F sea temperature in February in Hilton Head Island61
61°F sea temperature in March in Hilton Head Island61
64°F sea temperature in April in Hilton Head Island64
73°F sea temperature in May in Hilton Head Island73
79°F sea temperature in June in Hilton Head Island79
82°F sea temperature in July in Hilton Head Island82
82°F sea temperature in August in Hilton Head Island82
81°F sea temperature in September in Hilton Head Island81
75°F sea temperature in October in Hilton Head Island75
68°F sea temperature in November in Hilton Head Island68
64°F sea temperature in December in Hilton Head Island64

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Hilton Head Island

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Hilton Head Island10
11 hours of daylight per day in February in Hilton Head Island11
12 hours of daylight per day in March in Hilton Head Island12
13 hours of daylight per day in April in Hilton Head Island13
14 hours of daylight per day in May in Hilton Head Island14
14 hours of daylight per day in June in Hilton Head Island14
14 hours of daylight per day in July in Hilton Head Island14
13 hours of daylight per day in August in Hilton Head Island13
12 hours of daylight per day in September in Hilton Head Island12
11 hours of daylight per day in October in Hilton Head Island11
11 hours of daylight per day in November in Hilton Head Island11
10 hours of daylight per day in December in Hilton Head Island10
UV Index (Maximum)
UV (maximum) index 3 (Moderate) in January in Hilton Head Island3
UV (maximum) index 5 (Moderate) in February in Hilton Head Island5
UV (maximum) index 7 (High) in March in Hilton Head Island7
UV (maximum) index 9 (Very High) in April in Hilton Head Island9
UV (maximum) index 10 (Very High) in May in Hilton Head Island10
UV (maximum) index 10 (Very High) in June in Hilton Head Island10
UV (maximum) index 10 (Very High) in July in Hilton Head Island10
UV (maximum) index 10 (Very High) in August in Hilton Head Island10
UV (maximum) index 8 (Very High) in September in Hilton Head Island8
UV (maximum) index 6 (High) in October in Hilton Head Island6
UV (maximum) index 4 (Moderate) in November in Hilton Head Island4
UV (maximum) index 3 (Moderate) in December in Hilton Head Island3

Rainfall in Hilton Head Island

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
10 days with some rainfall in January in Hilton Head Island10
9 days with some rainfall in February in Hilton Head Island9
9 days with some rainfall in March in Hilton Head Island9
7 days with some rainfall in April in Hilton Head Island7
9 days with some rainfall in May in Hilton Head Island9
11 days with some rainfall in June in Hilton Head Island11
13 days with some rainfall in July in Hilton Head Island13
13 days with some rainfall in August in Hilton Head Island13
10 days with some rainfall in September in Hilton Head Island10
6 days with some rainfall in October in Hilton Head Island6
6 days with some rainfall in November in Hilton Head Island6
8 days with some rainfall in December in Hilton Head Island8
Average monthly rainfall (inches)
3.6 inches monthly rainfall in January in Hilton Head Island3.6
3.2 inches monthly rainfall in February in Hilton Head Island3.2
4.1 inches monthly rainfall in March in Hilton Head Island4.1
2.8 inches monthly rainfall in April in Hilton Head Island2.8
4.0 inches monthly rainfall in May in Hilton Head Island4.0
5.7 inches monthly rainfall in June in Hilton Head Island5.7
6.7 inches monthly rainfall in July in Hilton Head Island6.7
7.6 inches monthly rainfall in August in Hilton Head Island7.6
5.3 inches monthly rainfall in September in Hilton Head Island5.3
2.8 inches monthly rainfall in October in Hilton Head Island2.8
2.2 inches monthly rainfall in November in Hilton Head Island2.2
3.0 inches monthly rainfall in December in Hilton Head Island3.0

More about Hilton Head Island

Hilton Head Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for South Carolina (Hilton Head Island) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Hilton Head Island?

Hilton Head Island has a temperate climate with hot summers and some rainfall in all months.

Hilton Head Island weather in January

Expect daytime maximum temperatures of 57°F in Hilton Head Island, South Carolina in January based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 3.6 inches of rainfall in the month.

  • 57°F maximum daytime temperature in January in Hilton Head Island57
    57°F max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in January in Hilton Head Island10
    10 days with some rainfall
  • 39°F minimum night-time temperature in January in Hilton Head Island39
    39°F min night temperature
  • 10 hours of daylight per day in January in Hilton Head Island10
    10 hours of daylight per day
  • No heat & humidity in January in Hilton Head Island0
    No heat & humidity
  • 3.6 inches monthly rainfall in January in Hilton Head Island3.6
    3.6 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in January in Hilton Head Island3
    3 (Moderate) UV index
  • 63°F sea temperature in January in Hilton Head Island63
    63°F sea temperature

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Hilton Head Island weather in February

Expect daytime maximum temperatures of 61°F in Hilton Head Island, South Carolina in February based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 3.2 inches of rainfall in the month.

  • 61°F maximum daytime temperature in February in Hilton Head Island61
    61°F max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in February in Hilton Head Island9
    9 days with some rainfall
  • 41°F minimum night-time temperature in February in Hilton Head Island41
    41°F min night temperature
  • 11 hours of daylight per day in February in Hilton Head Island11
    11 hours of daylight per day
  • No heat & humidity in February in Hilton Head Island0
    No heat & humidity
  • 3.2 inches monthly rainfall in February in Hilton Head Island3.2
    3.2 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in February in Hilton Head Island5
    5 (Moderate) UV index
  • 61°F sea temperature in February in Hilton Head Island61
    61°F sea temperature

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Hilton Head Island weather in March

Expect daytime maximum temperatures of 68°F in Hilton Head Island, South Carolina in March based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 4.1 inches of rainfall in the month.

  • 68°F maximum daytime temperature in March in Hilton Head Island68
    68°F max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in March in Hilton Head Island9
    9 days with some rainfall
  • 48°F minimum night-time temperature in March in Hilton Head Island48
    48°F min night temperature
  • 12 hours of daylight per day in March in Hilton Head Island12
    12 hours of daylight per day
  • No heat & humidity in March in Hilton Head Island0
    No heat & humidity
  • 4.1 inches monthly rainfall in March in Hilton Head Island4.1
    4.1 inches of monthly rainfall
  • UV (maximum) index 7 (High) in March in Hilton Head Island7
    7 (High) UV index
  • 61°F sea temperature in March in Hilton Head Island61
    61°F sea temperature

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Hilton Head Island weather in April

Expect daytime maximum temperatures of 75°F in Hilton Head Island, South Carolina in April based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 2.8 inches of rainfall in the month.

  • 75°F maximum daytime temperature in April in Hilton Head Island75
    75°F max day temperature
  • 9 hours of sunshine per day
  • 7 days with some rainfall in April in Hilton Head Island7
    7 days with some rainfall
  • 55°F minimum night-time temperature in April in Hilton Head Island55
    55°F min night temperature
  • 13 hours of daylight per day in April in Hilton Head Island13
    13 hours of daylight per day
  • No heat & humidity in April in Hilton Head Island0
    No heat & humidity
  • 2.8 inches monthly rainfall in April in Hilton Head Island2.8
    2.8 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in April in Hilton Head Island9
    9 (Very High) UV index
  • 64°F sea temperature in April in Hilton Head Island64
    64°F sea temperature

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Hilton Head Island weather in May

Expect daytime maximum temperatures of 82°F in Hilton Head Island, South Carolina in May based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 4.0 inches of rainfall in the month.

  • 82°F maximum daytime temperature in May in Hilton Head Island82
    82°F max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in May in Hilton Head Island9
    9 days with some rainfall
  • 64°F minimum night-time temperature in May in Hilton Head Island64
    64°F min night temperature
  • 14 hours of daylight per day in May in Hilton Head Island14
    14 hours of daylight per day
  • Moderate heat & humidity in May in Hilton Head IslandM
    Moderate heat & humidity
  • 4.0 inches monthly rainfall in May in Hilton Head Island4.0
    4.0 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in May in Hilton Head Island10
    10 (Very High) UV index
  • 73°F sea temperature in May in Hilton Head Island73
    73°F sea temperature

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Hilton Head Island weather in June

Expect daytime maximum temperatures of 88°F in Hilton Head Island, South Carolina in June and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 5.7 inches of rainfall in the month.

  • 88°F maximum daytime temperature in June in Hilton Head Island88
    88°F max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in June in Hilton Head Island11
    11 days with some rainfall
  • 70°F minimum night-time temperature in June in Hilton Head Island70
    70°F min night temperature
  • 14 hours of daylight per day in June in Hilton Head Island14
    14 hours of daylight per day
  • High heat & humidity in June in Hilton Head IslandH
    High heat & humidity
  • 5.7 inches monthly rainfall in June in Hilton Head Island5.7
    5.7 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in June in Hilton Head Island10
    10 (Very High) UV index
  • 79°F sea temperature in June in Hilton Head Island79
    79°F sea temperature

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Hilton Head Island weather in July

Expect daytime maximum temperatures of 90°F in Hilton Head Island, South Carolina in July and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 13 days with some rainfall and typically 6.7 inches of rainfall in the month.

  • 90°F maximum daytime temperature in July in Hilton Head Island90
    90°F max day temperature
  • 9 hours of sunshine per day
  • 13 days with some rainfall in July in Hilton Head Island13
    13 days with some rainfall
  • 73°F minimum night-time temperature in July in Hilton Head Island73
    73°F min night temperature
  • 14 hours of daylight per day in July in Hilton Head Island14
    14 hours of daylight per day
  • Very high heat & humidity in July in Hilton Head IslandVH
    Very High heat & humidity
  • 6.7 inches monthly rainfall in July in Hilton Head Island6.7
    6.7 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in July in Hilton Head Island10
    10 (Very High) UV index
  • 82°F sea temperature in July in Hilton Head Island82
    82°F sea temperature

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Hilton Head Island weather in August

Expect daytime maximum temperatures of 88°F in Hilton Head Island, South Carolina in August and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 13 days with some rainfall and typically 7.6 inches of rainfall in the month.

  • 88°F maximum daytime temperature in August in Hilton Head Island88
    88°F max day temperature
  • 8 hours of sunshine per day
  • 13 days with some rainfall in August in Hilton Head Island13
    13 days with some rainfall
  • 73°F minimum night-time temperature in August in Hilton Head Island73
    73°F min night temperature
  • 13 hours of daylight per day in August in Hilton Head Island13
    13 hours of daylight per day
  • Very high heat & humidity in August in Hilton Head IslandVH
    Very High heat & humidity
  • 7.6 inches monthly rainfall in August in Hilton Head Island7.6
    7.6 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Hilton Head Island10
    10 (Very High) UV index
  • 82°F sea temperature in August in Hilton Head Island82
    82°F sea temperature

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Hilton Head Island weather in September

Expect daytime maximum temperatures of 84°F in Hilton Head Island, South Carolina in September and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 5.3 inches of rainfall in the month.

  • 84°F maximum daytime temperature in September in Hilton Head Island84
    84°F max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in September in Hilton Head Island10
    10 days with some rainfall
  • 70°F minimum night-time temperature in September in Hilton Head Island70
    70°F min night temperature
  • 12 hours of daylight per day in September in Hilton Head Island12
    12 hours of daylight per day
  • High heat & humidity in September in Hilton Head IslandH
    High heat & humidity
  • 5.3 inches monthly rainfall in September in Hilton Head Island5.3
    5.3 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Hilton Head Island8
    8 (Very High) UV index
  • 81°F sea temperature in September in Hilton Head Island81
    81°F sea temperature

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Hilton Head Island weather in October

Expect daytime maximum temperatures of 77°F in Hilton Head Island, South Carolina in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 2.8 inches of rainfall in the month.

  • 77°F maximum daytime temperature in October in Hilton Head Island77
    77°F max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in October in Hilton Head Island6
    6 days with some rainfall
  • 59°F minimum night-time temperature in October in Hilton Head Island59
    59°F min night temperature
  • 11 hours of daylight per day in October in Hilton Head Island11
    11 hours of daylight per day
  • Low heat & humidity in October in Hilton Head IslandL
    Low heat & humidity
  • 2.8 inches monthly rainfall in October in Hilton Head Island2.8
    2.8 inches of monthly rainfall
  • UV (maximum) index 6 (High) in October in Hilton Head Island6
    6 (High) UV index
  • 75°F sea temperature in October in Hilton Head Island75
    75°F sea temperature

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Hilton Head Island weather in November

Expect daytime maximum temperatures of 68°F in Hilton Head Island, South Carolina in November based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 2.2 inches of rainfall in the month.

  • 68°F maximum daytime temperature in November in Hilton Head Island68
    68°F max day temperature
  • 6 hours of sunshine per day
  • 6 days with some rainfall in November in Hilton Head Island6
    6 days with some rainfall
  • 50°F minimum night-time temperature in November in Hilton Head Island50
    50°F min night temperature
  • 11 hours of daylight per day in November in Hilton Head Island11
    11 hours of daylight per day
  • No heat & humidity in November in Hilton Head Island0
    No heat & humidity
  • 2.2 inches monthly rainfall in November in Hilton Head Island2.2
    2.2 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in November in Hilton Head Island4
    4 (Moderate) UV index
  • 68°F sea temperature in November in Hilton Head Island68
    68°F sea temperature

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Hilton Head Island weather in December

Expect daytime maximum temperatures of 61°F in Hilton Head Island, South Carolina in December based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 3.0 inches of rainfall in the month.

  • 61°F maximum daytime temperature in December in Hilton Head Island61
    61°F max day temperature
  • 6 hours of sunshine per day
  • 8 days with some rainfall in December in Hilton Head Island8
    8 days with some rainfall
  • 43°F minimum night-time temperature in December in Hilton Head Island43
    43°F min night temperature
  • 10 hours of daylight per day in December in Hilton Head Island10
    10 hours of daylight per day
  • No heat & humidity in December in Hilton Head Island0
    No heat & humidity
  • 3.0 inches monthly rainfall in December in Hilton Head Island3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in December in Hilton Head Island3
    3 (Moderate) UV index
  • 64°F sea temperature in December in Hilton Head Island64
    64°F sea temperature

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More about Hilton Head Island

Hilton Head Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for South Carolina

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The climate guide for South Carolina (Hilton Head Island) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Hilton Head Island, South Carolina hurricane season

% of month affected by tropical storms
0
0
0
0
0
2.7%
1.7%
3.1%
4.2%
1.6%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about the USA

Compare Hilton Head Island with the UK

Below the Hilton Head Island chart shows average maximum daytime temperature for Hilton Head Island, South Carolina, USA and the UK (London).

Maximum daytime temperature (°F)

Hilton Head Island, South Carolina, USA
UK (London)
57
45
61
45
68
50
75
55
82
63
88
68
90
72
88
72
84
66
77
59
68
50
61
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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