Treasure Island weather by month

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

Temperature in Treasure Island (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
20°C maximum daytime temperature in January in Treasure Island20
21°C maximum daytime temperature in February in Treasure Island21
24°C maximum daytime temperature in March in Treasure Island24
28°C maximum daytime temperature in April in Treasure Island28
30°C maximum daytime temperature in May in Treasure Island30
32°C maximum daytime temperature in June in Treasure Island32
32°C maximum daytime temperature in July in Treasure Island32
32°C maximum daytime temperature in August in Treasure Island32
32°C maximum daytime temperature in September in Treasure Island32
29°C maximum daytime temperature in October in Treasure Island29
25°C maximum daytime temperature in November in Treasure Island25
22°C maximum daytime temperature in December in Treasure Island22
Min temperature (night-time)
10°C minimum night-time temperature in January in Treasure Island10
11°C minimum night-time temperature in February in Treasure Island11
14°C minimum night-time temperature in March in Treasure Island14
17°C minimum night-time temperature in April in Treasure Island17
20°C minimum night-time temperature in May in Treasure Island20
23°C minimum night-time temperature in June in Treasure Island23
23°C minimum night-time temperature in July in Treasure Island23
23°C minimum night-time temperature in August in Treasure Island23
23°C minimum night-time temperature in September in Treasure Island23
19°C minimum night-time temperature in October in Treasure Island19
14°C minimum night-time temperature in November in Treasure Island14
11°C minimum night-time temperature in December in Treasure Island11
Heat & Humidity
No heat & humidity in January in Treasure Island0
No heat & humidity in February in Treasure Island0
No heat & humidity in March in Treasure Island0
Low heat & humidity in April in Treasure IslandL
High heat & humidity in May in Treasure IslandH
Very high heat & humidity in June in Treasure IslandVH
Very high heat & humidity in July in Treasure IslandVH
Very high heat & humidity in August in Treasure IslandVH
Very high heat & humidity in September in Treasure IslandVH
Moderate heat & humidity in October in Treasure IslandM
Low heat & humidity in November in Treasure IslandL
No heat & humidity in December in Treasure Island0
Sea temperature
18°C sea temperature in January in Treasure Island18
18°C sea temperature in February in Treasure Island18
19°C sea temperature in March in Treasure Island19
22°C sea temperature in April in Treasure Island22
25°C sea temperature in May in Treasure Island25
28°C sea temperature in June in Treasure Island28
30°C sea temperature in July in Treasure Island30
30°C sea temperature in August in Treasure Island30
29°C sea temperature in September in Treasure Island29
26°C sea temperature in October in Treasure Island26
23°C sea temperature in November in Treasure Island23
20°C sea temperature in December in Treasure Island20

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

Sunshine & UV index in Treasure Island

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

Rainfall in Treasure Island

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
7 days with some rainfall in January in Treasure Island7
7 days with some rainfall in February in Treasure Island7
6 days with some rainfall in March in Treasure Island6
4 days with some rainfall in April in Treasure Island4
6 days with some rainfall in May in Treasure Island6
12 days with some rainfall in June in Treasure Island12
15 days with some rainfall in July in Treasure Island15
17 days with some rainfall in August in Treasure Island17
12 days with some rainfall in September in Treasure Island12
7 days with some rainfall in October in Treasure Island7
6 days with some rainfall in November in Treasure Island6
6 days with some rainfall in December in Treasure Island6
Average monthly rainfall (mm)
62 mm monthly rainfall in January in Treasure Island62
78 mm monthly rainfall in February in Treasure Island78
87 mm monthly rainfall in March in Treasure Island87
39 mm monthly rainfall in April in Treasure Island39
75 mm monthly rainfall in May in Treasure Island75
136 mm monthly rainfall in June in Treasure Island136
189 mm monthly rainfall in July in Treasure Island189
194 mm monthly rainfall in August in Treasure Island194
165 mm monthly rainfall in September in Treasure Island165
68 mm monthly rainfall in October in Treasure Island68
47 mm monthly rainfall in November in Treasure Island47
64 mm monthly rainfall in December in Treasure Island64

More about Treasure Island

Treasure Island by month

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

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The climate guide for Florida (Treasure 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 Treasure Island?

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

Treasure Island weather in January

Expect daytime maximum temperatures of 20°C in Treasure Island, Florida in January based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 62 mm of rainfall in the month.

  • 20°C maximum daytime temperature in January in Treasure Island20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in January in Treasure Island7
    7 days with some rainfall
  • 10°C minimum night-time temperature in January in Treasure Island10
    10°C min night temperature
  • 11 hours of daylight per day in January in Treasure Island11
    11 hours of daylight per day
  • No heat & humidity in January in Treasure Island0
    No heat & humidity
  • 62 mm monthly rainfall in January in Treasure Island62
    62 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in January in Treasure Island5
    5 (Moderate) UV index
  • 18°C sea temperature in January in Treasure Island18
    18°C sea temperature

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Treasure Island weather in February

Expect daytime maximum temperatures of 21°C in Treasure Island, Florida in February based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 78 mm of rainfall in the month.

  • 21°C maximum daytime temperature in February in Treasure Island21
    21°C max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in February in Treasure Island7
    7 days with some rainfall
  • 11°C minimum night-time temperature in February in Treasure Island11
    11°C min night temperature
  • 11 hours of daylight per day in February in Treasure Island11
    11 hours of daylight per day
  • No heat & humidity in February in Treasure Island0
    No heat & humidity
  • 78 mm monthly rainfall in February in Treasure Island78
    78 mm of monthly rainfall
  • UV (maximum) index 7 (High) in February in Treasure Island7
    7 (High) UV index
  • 18°C sea temperature in February in Treasure Island18
    18°C sea temperature

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Treasure Island weather in March

Expect daytime maximum temperatures of 24°C in Treasure Island, Florida in March based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 87 mm of rainfall in the month.

  • 24°C maximum daytime temperature in March in Treasure Island24
    24°C max day temperature
  • 9 hours of sunshine per day
  • 6 days with some rainfall in March in Treasure Island6
    6 days with some rainfall
  • 14°C minimum night-time temperature in March in Treasure Island14
    14°C min night temperature
  • 12 hours of daylight per day in March in Treasure Island12
    12 hours of daylight per day
  • No heat & humidity in March in Treasure Island0
    No heat & humidity
  • 87 mm monthly rainfall in March in Treasure Island87
    87 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in March in Treasure Island9
    9 (Very High) UV index
  • 19°C sea temperature in March in Treasure Island19
    19°C sea temperature

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Treasure Island weather in April

Expect daytime maximum temperatures of 28°C in Treasure Island, Florida in April based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 28°C maximum daytime temperature in April in Treasure Island28
    28°C max day temperature
  • 10 hours of sunshine per day
  • 4 days with some rainfall in April in Treasure Island4
    4 days with some rainfall
  • 17°C minimum night-time temperature in April in Treasure Island17
    17°C min night temperature
  • 13 hours of daylight per day in April in Treasure Island13
    13 hours of daylight per day
  • Low heat & humidity in April in Treasure IslandL
    Low heat & humidity
  • 39 mm monthly rainfall in April in Treasure Island39
    39 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in April in Treasure Island10
    10 (Very High) UV index
  • 22°C sea temperature in April in Treasure Island22
    22°C sea temperature

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Treasure Island weather in May

Expect daytime maximum temperatures of 30°C in Treasure Island, Florida in May and high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 75 mm of rainfall in the month.

  • 30°C maximum daytime temperature in May in Treasure Island30
    30°C max day temperature
  • 10 hours of sunshine per day
  • 6 days with some rainfall in May in Treasure Island6
    6 days with some rainfall
  • 20°C minimum night-time temperature in May in Treasure Island20
    20°C min night temperature
  • 14 hours of daylight per day in May in Treasure Island14
    14 hours of daylight per day
  • High heat & humidity in May in Treasure IslandH
    High heat & humidity
  • 75 mm monthly rainfall in May in Treasure Island75
    75 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in May in Treasure Island11
    11 (Extreme) UV index
  • 25°C sea temperature in May in Treasure Island25
    25°C sea temperature

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Treasure Island weather in June

Expect daytime maximum temperatures of 32°C in Treasure Island, Florida in June and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 12 days with some rainfall and typically 136 mm of rainfall in the month.

  • 32°C maximum daytime temperature in June in Treasure Island32
    32°C max day temperature
  • 9 hours of sunshine per day
  • 12 days with some rainfall in June in Treasure Island12
    12 days with some rainfall
  • 23°C minimum night-time temperature in June in Treasure Island23
    23°C min night temperature
  • 14 hours of daylight per day in June in Treasure Island14
    14 hours of daylight per day
  • Very high heat & humidity in June in Treasure IslandVH
    Very High heat & humidity
  • 136 mm monthly rainfall in June in Treasure Island136
    136 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in June in Treasure Island11
    11 (Extreme) UV index
  • 28°C sea temperature in June in Treasure Island28
    28°C sea temperature

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Treasure Island weather in July

Expect daytime maximum temperatures of 32°C in Treasure Island, Florida 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 15 days with some rainfall and typically 189 mm of rainfall in the month.

  • 32°C maximum daytime temperature in July in Treasure Island32
    32°C max day temperature
  • 9 hours of sunshine per day
  • 15 days with some rainfall in July in Treasure Island15
    15 days with some rainfall
  • 23°C minimum night-time temperature in July in Treasure Island23
    23°C min night temperature
  • 14 hours of daylight per day in July in Treasure Island14
    14 hours of daylight per day
  • Very high heat & humidity in July in Treasure IslandVH
    Very High heat & humidity
  • 189 mm monthly rainfall in July in Treasure Island189
    189 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in July in Treasure Island11
    11 (Extreme) UV index
  • 30°C sea temperature in July in Treasure Island30
    30°C sea temperature

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Treasure Island weather in August

Expect daytime maximum temperatures of 32°C in Treasure Island, Florida 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 17 days with some rainfall and typically 194 mm of rainfall in the month.

  • 32°C maximum daytime temperature in August in Treasure Island32
    32°C max day temperature
  • 8 hours of sunshine per day
  • 17 days with some rainfall in August in Treasure Island17
    17 days with some rainfall
  • 23°C minimum night-time temperature in August in Treasure Island23
    23°C min night temperature
  • 13 hours of daylight per day in August in Treasure Island13
    13 hours of daylight per day
  • Very high heat & humidity in August in Treasure IslandVH
    Very High heat & humidity
  • 194 mm monthly rainfall in August in Treasure Island194
    194 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in August in Treasure Island11
    11 (Extreme) UV index
  • 30°C sea temperature in August in Treasure Island30
    30°C sea temperature

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Treasure Island weather in September

Expect daytime maximum temperatures of 32°C in Treasure Island, Florida in September and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 12 days with some rainfall and typically 165 mm of rainfall in the month.

  • 32°C maximum daytime temperature in September in Treasure Island32
    32°C max day temperature
  • 8 hours of sunshine per day
  • 12 days with some rainfall in September in Treasure Island12
    12 days with some rainfall
  • 23°C minimum night-time temperature in September in Treasure Island23
    23°C min night temperature
  • 12 hours of daylight per day in September in Treasure Island12
    12 hours of daylight per day
  • Very high heat & humidity in September in Treasure IslandVH
    Very High heat & humidity
  • 165 mm monthly rainfall in September in Treasure Island165
    165 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Treasure Island10
    10 (Very High) UV index
  • 29°C sea temperature in September in Treasure Island29
    29°C sea temperature

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Treasure Island weather in October

Expect daytime maximum temperatures of 29°C in Treasure Island, Florida in October based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 68 mm of rainfall in the month.

  • 29°C maximum daytime temperature in October in Treasure Island29
    29°C max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in October in Treasure Island7
    7 days with some rainfall
  • 19°C minimum night-time temperature in October in Treasure Island19
    19°C min night temperature
  • 11 hours of daylight per day in October in Treasure Island11
    11 hours of daylight per day
  • Moderate heat & humidity in October in Treasure IslandM
    Moderate heat & humidity
  • 68 mm monthly rainfall in October in Treasure Island68
    68 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in October in Treasure Island8
    8 (Very High) UV index
  • 26°C sea temperature in October in Treasure Island26
    26°C sea temperature

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Treasure Island weather in November

Expect daytime maximum temperatures of 25°C in Treasure Island, Florida in November based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 47 mm of rainfall in the month.

  • 25°C maximum daytime temperature in November in Treasure Island25
    25°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in November in Treasure Island6
    6 days with some rainfall
  • 14°C minimum night-time temperature in November in Treasure Island14
    14°C min night temperature
  • 11 hours of daylight per day in November in Treasure Island11
    11 hours of daylight per day
  • Low heat & humidity in November in Treasure IslandL
    Low heat & humidity
  • 47 mm monthly rainfall in November in Treasure Island47
    47 mm of monthly rainfall
  • UV (maximum) index 6 (High) in November in Treasure Island6
    6 (High) UV index
  • 23°C sea temperature in November in Treasure Island23
    23°C sea temperature

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Treasure Island weather in December

Expect daytime maximum temperatures of 22°C in Treasure Island, Florida in December based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 64 mm of rainfall in the month.

  • 22°C maximum daytime temperature in December in Treasure Island22
    22°C max day temperature
  • 6 hours of sunshine per day
  • 6 days with some rainfall in December in Treasure Island6
    6 days with some rainfall
  • 11°C minimum night-time temperature in December in Treasure Island11
    11°C min night temperature
  • 10 hours of daylight per day in December in Treasure Island10
    10 hours of daylight per day
  • No heat & humidity in December in Treasure Island0
    No heat & humidity
  • 64 mm monthly rainfall in December in Treasure Island64
    64 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in December in Treasure Island5
    5 (Moderate) UV index
  • 20°C sea temperature in December in Treasure Island20
    20°C sea temperature

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More about Treasure Island

Treasure Island by month

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

Recommended for Florida

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The climate guide for Florida (Treasure 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.

Compare Treasure Island weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Treasure Island, Florida, USA and the UK (London).

Maximum daytime temperature (°C)

Treasure Island, Florida, USA
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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