Cayo Guillermo weather by month

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

Temperature
Rainfall
Sunshine & daylight
UV levels & humidity

Temperature in Cayo Guillermo (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	27	28	29	31	31	32	33	33	32	31	29	28
Min temperature (night-time)	17	17	18	19	21	23	23	23	22	22	20	18
Heat & Humidity	M	M	M	H	H	VH	VH	VH	VH	H	H	M
Sea temperature	25	25	25	26	27	28	29	29	29	28	27	26

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

Sunshine & Daylight in Cayo Guillermo

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	7	7	8	9	8	7	8	8	7	7	7	7
Daily hours of daylight	11	11	12	13	13	13	13	13	12	12	11	11
UV Index (Maximum)	7	8	10	11	11	11	11	11	11	9	7	6

Rainfall in Cayo Guillermo

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	7	5	6	5	12	15	13	15	15	16	9	7
Average monthly rainfall (mm)	43	43	52	60	168	160	90	117	160	182	86	39

More about Cayo Guillermo

Cayo Guillermo by month

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

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The climate guide for Cuba (Cayo Guillermo) 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 Cayo Guillermo?

Cayo Guillermo has a hot tropical climate with a winter dry season.

Cayo Guillermo weather in January

Expect daytime maximum temperatures of 27°C in Cayo Guillermo, Cuba in January based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 43 mm of rainfall in the month.

27
27°C max day temperature
7
7 hours of sunshine per day
7
7 days with some rainfall
17
17°C min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
43
43 mm of monthly rainfall
7
7 (High) UV index
25
25°C sea temperature

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Cayo Guillermo weather in February

Expect daytime maximum temperatures of 28°C in Cayo Guillermo, Cuba in February based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 43 mm of rainfall in the month.

28
28°C max day temperature
7
7 hours of sunshine per day
5
5 days with some rainfall
17
17°C min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
43
43 mm of monthly rainfall
8
8 (Very High) UV index
25
25°C sea temperature

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Cayo Guillermo weather in March

Expect daytime maximum temperatures of 29°C in Cayo Guillermo, Cuba in March based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 52 mm of rainfall in the month.

29
29°C max day temperature
8
8 hours of sunshine per day
6
6 days with some rainfall
18
18°C min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
52
52 mm of monthly rainfall
10
10 (Very High) UV index
25
25°C sea temperature

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Cayo Guillermo weather in April

Expect daytime maximum temperatures of 31°C in Cayo Guillermo, Cuba in April and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 60 mm of rainfall in the month.

31
31°C max day temperature
9
9 hours of sunshine per day
5
5 days with some rainfall
19
19°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
60
60 mm of monthly rainfall
11
11+ (Extreme) UV index
26
26°C sea temperature

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Cayo Guillermo weather in May

Expect daytime maximum temperatures of 31°C in Cayo Guillermo, Cuba in May and 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 168 mm of rainfall in the month.

31
31°C max day temperature
8
8 hours of sunshine per day
12
12 days with some rainfall
21
21°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
168
168 mm of monthly rainfall
11
11+ (Extreme) UV index
27
27°C sea temperature

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Cayo Guillermo weather in June

Expect daytime maximum temperatures of 32°C in Cayo Guillermo, Cuba in June and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 15 days with some rainfall and typically 160 mm of rainfall in the month.

32
32°C max day temperature
7
7 hours of sunshine per day
15
15 days with some rainfall
23
23°C min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
160
160 mm of monthly rainfall
11
11+ (Extreme) UV index
28
28°C sea temperature

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Cayo Guillermo weather in July

Expect daytime maximum temperatures of 33°C in Cayo Guillermo, Cuba 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 13 days with some rainfall and typically 90 mm of rainfall in the month.

33
33°C max day temperature
8
8 hours of sunshine per day
13
13 days with some rainfall
23
23°C min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
90
90 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

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Cayo Guillermo weather in August

Expect daytime maximum temperatures of 33°C in Cayo Guillermo, Cuba 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 15 days with some rainfall and typically 117 mm of rainfall in the month.

33
33°C max day temperature
8
8 hours of sunshine per day
15
15 days with some rainfall
23
23°C min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
117
117 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

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Cayo Guillermo weather in September

Expect daytime maximum temperatures of 32°C in Cayo Guillermo, Cuba 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 15 days with some rainfall and typically 160 mm of rainfall in the month.

32
32°C max day temperature
7
7 hours of sunshine per day
15
15 days with some rainfall
22
22°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
160
160 mm of monthly rainfall
11
11 (Extreme) UV index
29
29°C sea temperature

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Cayo Guillermo weather in October

Expect daytime maximum temperatures of 31°C in Cayo Guillermo, Cuba in October and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 16 days with some rainfall and typically 182 mm of rainfall in the month.

31
31°C max day temperature
7
7 hours of sunshine per day
16
16 days with some rainfall
22
22°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
182
182 mm of monthly rainfall
9
9 (Very High) UV index
28
28°C sea temperature

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Cayo Guillermo weather in November

Expect daytime maximum temperatures of 29°C in Cayo Guillermo, Cuba in November and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 86 mm of rainfall in the month.

29
29°C max day temperature
7
7 hours of sunshine per day
9
9 days with some rainfall
20
20°C min night temperature
11
11 hours of daylight per day
H
High heat & humidity
86
86 mm of monthly rainfall
7
7 (High) UV index
27
27°C sea temperature

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Cayo Guillermo weather in December

Expect daytime maximum temperatures of 28°C in Cayo Guillermo, Cuba in December based on long-term weather averages. There are 7 hours of sunshine per day on average.

28
28°C max day temperature
7
7 hours of sunshine per day
7
7 days with some rainfall
18
18°C min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
39
39 mm of monthly rainfall
6
6 (High) UV index
26
26°C sea temperature

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