Cayo Guillermo

Island · Cayo Coco, 🇨🇺 Cuba

Area 16 km²

Time zone America/Havana

Cayo Guillermo

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Cayo Guillermo — Map

Cayo Guillermo — Map

Climate & when to visit

Best time to visit: January, February, March, April

Select a month

Typical weather in January

Great

25° (feels like 23°) · extremes 19°–27°
23° at night
11 rainy days
13 sunny days
7 hours of sunshine per day
Muggy, humid air
Light breeze
25°C · warm for swimming
UV index 6 · high

Typical weather in February

Great

25° (feels like 23°) · extremes 20°–27°
23° at night
9 rainy days
17 sunny days
8 hours of sunshine per day
Muggy, humid air
Light breeze
25°C · warm for swimming
UV index 8 · very high

Typical weather in March

Great

25° (feels like 24°) · extremes 20°–28°
23° at night
8 rainy days
19 sunny days
8 hours of sunshine per day
Muggy, humid air
Light breeze
26°C · warm for swimming
UV index 9 · very high

Typical weather in April

Great

26° · extremes 22°–29°
24° at night
10 rainy days
20 sunny days
9 hours of sunshine per day
Muggy, humid air
Light breeze
26°C · warm for swimming
UV index 10 · very high

Typical weather in May

Good

28° · extremes 23°–29°
25° at night
14 rainy days
16 sunny days
8 hours of sunshine per day
Oppressive humidity
Light breeze
27°C · warm for swimming
UV index 10 · very high

Typical weather in June

Fair

29° (feels like 30°) · extremes 25°–30°
26° at night
16 rainy days
11 sunny days
8 hours of sunshine per day
Oppressive humidity
Light breeze
29°C · warm for swimming
UV index 9 · very high

Typical weather in July

Fair

29° (feels like 31°) · extremes 26°–31°
27° at night
16 rainy days
17 sunny days
9 hours of sunshine per day
Oppressive humidity
Light breeze
29°C · warm for swimming
UV index 10 · very high

Typical weather in August

Fair

30° (feels like 31°) · extremes 26°–31°
27° at night
19 rainy days
17 sunny days
8 hours of sunshine per day
Oppressive humidity
Light breeze
30°C · warm for swimming
UV index 10 · very high

Typical weather in September

Poor

29° (feels like 32°) · extremes 25°–31°
27° at night
22 rainy days
12 sunny days
8 hours of sunshine per day
Oppressive humidity
Light breeze
30°C · warm for swimming
UV index 9 · very high

Typical weather in October

Fair

28° (feels like 29°) · extremes 24°–30°
26° at night
22 rainy days
11 sunny days
7 hours of sunshine per day
Oppressive humidity
Light breeze
29°C · warm for swimming
UV index 7 · high

Typical weather in November

Good

26° (feels like 25°) · extremes 23°–28°
25° at night
17 rainy days
12 sunny days
7 hours of sunshine per day
Muggy, humid air
Light breeze
27°C · warm for swimming
UV index 6 · high

Typical weather in December

Good

25° (feels like 24°) · extremes 21°–27°
24° at night
14 rainy days
13 sunny days
7 hours of sunshine per day
Muggy, humid air
Light breeze
26°C · warm for swimming
UV index 5 · moderate

Climate data: NASA POWER + Copernicus ERA5-Land and ERA5 · 1996–2025

Practical information

Currency: Cuban Peso CUP · Card payments · Cash preferred
Electricity: Type A / Type B
110 V · 60 Hz

Languages: Spanish
Tap water: Not safe to drink
Driving side: Right
Calling code: +53

Tours & Activities

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