Cat Island weather by month

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

Temperature in Cat Island (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
25°C maximum daytime temperature in January in Cat Island25
25°C maximum daytime temperature in February in Cat Island25
26°C maximum daytime temperature in March in Cat Island26
27°C maximum daytime temperature in April in Cat Island27
29°C maximum daytime temperature in May in Cat Island29
30°C maximum daytime temperature in June in Cat Island30
31°C maximum daytime temperature in July in Cat Island31
31°C maximum daytime temperature in August in Cat Island31
31°C maximum daytime temperature in September in Cat Island31
29°C maximum daytime temperature in October in Cat Island29
27°C maximum daytime temperature in November in Cat Island27
26°C maximum daytime temperature in December in Cat Island26
Min temperature (night-time)
18°C minimum night-time temperature in January in Cat Island18
19°C minimum night-time temperature in February in Cat Island19
19°C minimum night-time temperature in March in Cat Island19
20°C minimum night-time temperature in April in Cat Island20
22°C minimum night-time temperature in May in Cat Island22
24°C minimum night-time temperature in June in Cat Island24
25°C minimum night-time temperature in July in Cat Island25
25°C minimum night-time temperature in August in Cat Island25
24°C minimum night-time temperature in September in Cat Island24
23°C minimum night-time temperature in October in Cat Island23
21°C minimum night-time temperature in November in Cat Island21
19°C minimum night-time temperature in December in Cat Island19
Heat & Humidity
Low heat & humidity in January in Cat IslandL
Low heat & humidity in February in Cat IslandL
Low heat & humidity in March in Cat IslandL
Moderate heat & humidity in April in Cat IslandM
High heat & humidity in May in Cat IslandH
High heat & humidity in June in Cat IslandH
Very high heat & humidity in July in Cat IslandVH
Very high heat & humidity in August in Cat IslandVH
Very high heat & humidity in September in Cat IslandVH
High heat & humidity in October in Cat IslandH
Moderate heat & humidity in November in Cat IslandM
Low heat & humidity in December in Cat IslandL
Sea temperature
25°C sea temperature in January in Cat Island25
24°C sea temperature in February in Cat Island24
24°C sea temperature in March in Cat Island24
25°C sea temperature in April in Cat Island25
26°C sea temperature in May in Cat Island26
27°C sea temperature in June in Cat Island27
29°C sea temperature in July in Cat Island29
29°C sea temperature in August in Cat Island29
29°C sea temperature in September in Cat Island29
28°C sea temperature in October in Cat Island28
27°C sea temperature in November in Cat Island27
26°C sea temperature in December in Cat Island26

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

Sunshine & UV index in Cat 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 Cat Island11
11 hours of daylight per day in February in Cat Island11
12 hours of daylight per day in March in Cat Island12
13 hours of daylight per day in April in Cat Island13
13 hours of daylight per day in May in Cat Island13
14 hours of daylight per day in June in Cat Island14
13 hours of daylight per day in July in Cat Island13
13 hours of daylight per day in August in Cat Island13
12 hours of daylight per day in September in Cat Island12
12 hours of daylight per day in October in Cat Island12
11 hours of daylight per day in November in Cat Island11
11 hours of daylight per day in December in Cat Island11
UV Index (Maximum)
UV (maximum) index 6 (High) in January in Cat Island6
UV (maximum) index 8 (Very High) in February in Cat Island8
UV (maximum) index 10 (Very High) in March in Cat Island10
UV (maximum) index 11 (Extreme) in April in Cat Island11
UV (maximum) index 11 (Extreme) in May in Cat Island11
UV (maximum) index 11+ (Extreme) in June in Cat Island11
UV (maximum) index 11+ (Extreme) in July in Cat Island11
UV (maximum) index 11 (Extreme) in August in Cat Island11
UV (maximum) index 10 (Very High) in September in Cat Island10
UV (maximum) index 9 (Very High) in October in Cat Island9
UV (maximum) index 7 (High) in November in Cat Island7
UV (maximum) index 6 (High) in December in Cat Island6

Rainfall in Cat Island

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
11 days with some rainfall in January in Cat Island11
9 days with some rainfall in February in Cat Island9
9 days with some rainfall in March in Cat Island9
8 days with some rainfall in April in Cat Island8
14 days with some rainfall in May in Cat Island14
17 days with some rainfall in June in Cat Island17
19 days with some rainfall in July in Cat Island19
20 days with some rainfall in August in Cat Island20
20 days with some rainfall in September in Cat Island20
20 days with some rainfall in October in Cat Island20
12 days with some rainfall in November in Cat Island12
11 days with some rainfall in December in Cat Island11
Average monthly rainfall (mm)
39 mm monthly rainfall in January in Cat Island39
37 mm monthly rainfall in February in Cat Island37
25 mm monthly rainfall in March in Cat Island25
39 mm monthly rainfall in April in Cat Island39
101 mm monthly rainfall in May in Cat Island101
125 mm monthly rainfall in June in Cat Island125
63 mm monthly rainfall in July in Cat Island63
102 mm monthly rainfall in August in Cat Island102
118 mm monthly rainfall in September in Cat Island118
184 mm monthly rainfall in October in Cat Island184
70 mm monthly rainfall in November in Cat Island70
47 mm monthly rainfall in December in Cat Island47

More about the Cat Island

Cat Island by month

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

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The climate guide for Bahamas (Cat 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 Cat Island?

Cat Island has a hot tropical climate with a winter dry season.

Cat Island weather in January

Expect daytime maximum temperatures of 25°C in Cat Island, Bahamas in January based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall.

  • 25°C maximum daytime temperature in January in Cat Island25
    25°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in January in Cat Island11
    11 days with some rainfall
  • 18°C minimum night-time temperature in January in Cat Island18
    18°C min night temperature
  • 11 hours of daylight per day in January in Cat Island11
    11 hours of daylight per day
  • Low heat & humidity in January in Cat IslandL
    Low heat & humidity
  • 39 mm monthly rainfall in January in Cat Island39
    39 mm of monthly rainfall
  • UV (maximum) index 6 (High) in January in Cat Island6
    6 (High) UV index
  • 25°C sea temperature in January in Cat Island25
    25°C sea temperature

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Cat Island weather in February

Expect daytime maximum temperatures of 25°C in Cat Island, Bahamas in February based on long-term weather averages. There are 7 hours of sunshine per day on average.

  • 25°C maximum daytime temperature in February in Cat Island25
    25°C max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in February in Cat Island9
    9 days with some rainfall
  • 19°C minimum night-time temperature in February in Cat Island19
    19°C min night temperature
  • 11 hours of daylight per day in February in Cat Island11
    11 hours of daylight per day
  • Low heat & humidity in February in Cat IslandL
    Low heat & humidity
  • 37 mm monthly rainfall in February in Cat Island37
    37 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in February in Cat Island8
    8 (Very High) UV index
  • 24°C sea temperature in February in Cat Island24
    24°C sea temperature

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Cat Island weather in March

Expect daytime maximum temperatures of 26°C in Cat Island, Bahamas in March based on long-term weather averages. There are 8 hours of sunshine per day on average.

  • 26°C maximum daytime temperature in March in Cat Island26
    26°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in March in Cat Island9
    9 days with some rainfall
  • 19°C minimum night-time temperature in March in Cat Island19
    19°C min night temperature
  • 12 hours of daylight per day in March in Cat Island12
    12 hours of daylight per day
  • Low heat & humidity in March in Cat IslandL
    Low heat & humidity
  • 25 mm monthly rainfall in March in Cat Island25
    25 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in March in Cat Island10
    10 (Very High) UV index
  • 24°C sea temperature in March in Cat Island24
    24°C sea temperature

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Cat Island weather in April

Expect daytime maximum temperatures of 27°C in Cat Island, Bahamas in April based on long-term weather averages. There are 8 hours of sunshine per day on average.

  • 27°C maximum daytime temperature in April in Cat Island27
    27°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in April in Cat Island8
    8 days with some rainfall
  • 20°C minimum night-time temperature in April in Cat Island20
    20°C min night temperature
  • 13 hours of daylight per day in April in Cat Island13
    13 hours of daylight per day
  • Moderate heat & humidity in April in Cat IslandM
    Moderate heat & humidity
  • 39 mm monthly rainfall in April in Cat Island39
    39 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in April in Cat Island11
    11 (Extreme) UV index
  • 25°C sea temperature in April in Cat Island25
    25°C sea temperature

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Cat Island weather in May

Expect daytime maximum temperatures of 29°C in Cat Island, Bahamas in May and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 14 days with some rainfall and typically 101 mm of rainfall in the month.

  • 29°C maximum daytime temperature in May in Cat Island29
    29°C max day temperature
  • 8 hours of sunshine per day
  • 14 days with some rainfall in May in Cat Island14
    14 days with some rainfall
  • 22°C minimum night-time temperature in May in Cat Island22
    22°C min night temperature
  • 13 hours of daylight per day in May in Cat Island13
    13 hours of daylight per day
  • High heat & humidity in May in Cat IslandH
    High heat & humidity
  • 101 mm monthly rainfall in May in Cat Island101
    101 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in May in Cat Island11
    11 (Extreme) UV index
  • 26°C sea temperature in May in Cat Island26
    26°C sea temperature

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Cat Island weather in June

Expect daytime maximum temperatures of 30°C in Cat Island, Bahamas in June and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 17 days with some rainfall and typically 125 mm of rainfall in the month.

  • 30°C maximum daytime temperature in June in Cat Island30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 17 days with some rainfall in June in Cat Island17
    17 days with some rainfall
  • 24°C minimum night-time temperature in June in Cat Island24
    24°C min night temperature
  • 14 hours of daylight per day in June in Cat Island14
    14 hours of daylight per day
  • High heat & humidity in June in Cat IslandH
    High heat & humidity
  • 125 mm monthly rainfall in June in Cat Island125
    125 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Cat Island11
    11+ (Extreme) UV index
  • 27°C sea temperature in June in Cat Island27
    27°C sea temperature

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Cat Island weather in July

Expect daytime maximum temperatures of 31°C in Cat Island, Bahamas in July and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 19 days with some rainfall and typically 63 mm of rainfall in the month.

  • 31°C maximum daytime temperature in July in Cat Island31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 19 days with some rainfall in July in Cat Island19
    19 days with some rainfall
  • 25°C minimum night-time temperature in July in Cat Island25
    25°C min night temperature
  • 13 hours of daylight per day in July in Cat Island13
    13 hours of daylight per day
  • Very high heat & humidity in July in Cat IslandVH
    Very High heat & humidity
  • 63 mm monthly rainfall in July in Cat Island63
    63 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in Cat Island11
    11+ (Extreme) UV index
  • 29°C sea temperature in July in Cat Island29
    29°C sea temperature

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Cat Island weather in August

Expect daytime maximum temperatures of 31°C in Cat Island, Bahamas 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 20 days with some rainfall and typically 102 mm of rainfall in the month.

  • 31°C maximum daytime temperature in August in Cat Island31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 20 days with some rainfall in August in Cat Island20
    20 days with some rainfall
  • 25°C minimum night-time temperature in August in Cat Island25
    25°C min night temperature
  • 13 hours of daylight per day in August in Cat Island13
    13 hours of daylight per day
  • Very high heat & humidity in August in Cat IslandVH
    Very High heat & humidity
  • 102 mm monthly rainfall in August in Cat Island102
    102 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in August in Cat Island11
    11 (Extreme) UV index
  • 29°C sea temperature in August in Cat Island29
    29°C sea temperature

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Cat Island weather in September

Expect daytime maximum temperatures of 31°C in Cat Island, Bahamas in September and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 20 days with some rainfall and typically 118 mm of rainfall in the month.

  • 31°C maximum daytime temperature in September in Cat Island31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 20 days with some rainfall in September in Cat Island20
    20 days with some rainfall
  • 24°C minimum night-time temperature in September in Cat Island24
    24°C min night temperature
  • 12 hours of daylight per day in September in Cat Island12
    12 hours of daylight per day
  • Very high heat & humidity in September in Cat IslandVH
    Very High heat & humidity
  • 118 mm monthly rainfall in September in Cat Island118
    118 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Cat Island10
    10 (Very High) UV index
  • 29°C sea temperature in September in Cat Island29
    29°C sea temperature

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Cat Island weather in October

Expect daytime maximum temperatures of 29°C in Cat Island, Bahamas in October and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 20 days with some rainfall and typically 184 mm of rainfall in the month.

  • 29°C maximum daytime temperature in October in Cat Island29
    29°C max day temperature
  • 7 hours of sunshine per day
  • 20 days with some rainfall in October in Cat Island20
    20 days with some rainfall
  • 23°C minimum night-time temperature in October in Cat Island23
    23°C min night temperature
  • 12 hours of daylight per day in October in Cat Island12
    12 hours of daylight per day
  • High heat & humidity in October in Cat IslandH
    High heat & humidity
  • 184 mm monthly rainfall in October in Cat Island184
    184 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in October in Cat Island9
    9 (Very High) UV index
  • 28°C sea temperature in October in Cat Island28
    28°C sea temperature

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Cat Island weather in November

Expect daytime maximum temperatures of 27°C in Cat Island, Bahamas in November based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 70 mm of rainfall in the month.

  • 27°C maximum daytime temperature in November in Cat Island27
    27°C max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in November in Cat Island12
    12 days with some rainfall
  • 21°C minimum night-time temperature in November in Cat Island21
    21°C min night temperature
  • 11 hours of daylight per day in November in Cat Island11
    11 hours of daylight per day
  • Moderate heat & humidity in November in Cat IslandM
    Moderate heat & humidity
  • 70 mm monthly rainfall in November in Cat Island70
    70 mm of monthly rainfall
  • UV (maximum) index 7 (High) in November in Cat Island7
    7 (High) UV index
  • 27°C sea temperature in November in Cat Island27
    27°C sea temperature

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Cat Island weather in December

Expect daytime maximum temperatures of 26°C in Cat Island, Bahamas in December based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 47 mm of rainfall in the month.

  • 26°C maximum daytime temperature in December in Cat Island26
    26°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in December in Cat Island11
    11 days with some rainfall
  • 19°C minimum night-time temperature in December in Cat Island19
    19°C min night temperature
  • 11 hours of daylight per day in December in Cat Island11
    11 hours of daylight per day
  • Low heat & humidity in December in Cat IslandL
    Low heat & humidity
  • 47 mm monthly rainfall in December in Cat Island47
    47 mm of monthly rainfall
  • UV (maximum) index 6 (High) in December in Cat Island6
    6 (High) UV index
  • 26°C sea temperature in December in Cat Island26
    26°C sea temperature

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More about the Cat Island

Cat Island by month

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

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  • Save up to 55% on Caribbean holiday accommodation
  • Plus save up to £800 off select rooms & durations
  • Extra 5% discount on selected resorts
Go to Sandals deal >>

Expires at 23:59 on Saturday 28th Feb 2026 · View all Sandals offers

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The climate guide for Bahamas (Cat 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 / mm)  |  Imperial (°F / inches)

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Compare Cat Island weather with the UK

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

Maximum daytime temperature (°C)

Cat Island, Bahamas
UK (London)
25
7
25
7
26
10
27
13
29
17
30
20
31
22
31
22
31
19
29
15
27
10
26
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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