When is the best time to go to Cayo Guillermo
The chart above shows the best time of year to visit Cayo Guillermo, Cuba. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Cayo Guillermo
Cayo Guillermo weather by month
Please note our recommendations for when to visit Cayo Guillermo are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 24°C | 45mm | 7.6hrs | 11.7hrs | 25°C |
The climate in Cayo Guillermo during January can be summarized as warm, humid and reasonably dry.
It is perhaps the perfect month to visit Cayo Guillermo, with some inordinately good weather at this time of year.
January is in the winter in Cayo Guillermo and is typically the coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 17°C (63°F) is normal.
On average January is the driest month of the year in Cayo Guillermo with around 45mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
Cayo Guillermo weather in January »
February
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 25°C | 43mm | 7.9hrs | 12.2hrs | 25°C |
February in Cayo Guillermo is generally reasonably dry with the temperature being warm.
It is perhaps the perfect month to visit Cayo Guillermo, with some particularly good weather at this time of year.
February is in the winter in Cayo Guillermo and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 18°C (64°F) is normal.
On average February is the 2nd driest month of the year in Cayo Guillermo with around 43mm 1.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.9 hours of sunshine per day.
Cayo Guillermo weather in February »
March
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 26°C | 52mm | 8.7hrs | 12.7hrs | 25°C |
The weather in March in Cayo Guillermo is characteristically hot, humid and reasonably dry.
It is perhaps the perfect month to visit Cayo Guillermo, with some surprisingly good weather at this time of year.
March is in the spring in Cayo Guillermo and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 18°C (65°F) is normal.
On average March is the 3rd driest month of the year in Cayo Guillermo with around 52mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.7 hours of sunshine per day.
Cayo Guillermo weather in March »
April
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 27°C | 59mm | 9.1hrs | 13.4hrs | 26°C |
Cayo Guillermo's weather in April is typically hot, humid and reasonably dry in nature.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Cayo Guillermo.
April is in the spring in Cayo Guillermo and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a muggy 31°C (87°F), whilst at night 19°C (67°F) is normal.
On average April is the 4th driest month of the year in Cayo Guillermo with around 59mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.1 hours of sunshine per day.
Cayo Guillermo weather in April »
May
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 166mm | 8.2hrs | 14hrs | 27°C |
May is a wet, humid month in Cayo Guillermo and the temperature is generally hot.
Based on weather alone, this is probably a time of year to avoid going to Cayo Guillermo for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
May is in the spring in Cayo Guillermo and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 21°C (70°F) is normal.
On average May is the 5th driest month of the year in Cayo Guillermo with around 166mm 6.6 inches of rain making it a wet time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.2 hours of sunshine per day.
Cayo Guillermo weather in May »
June
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 154mm | 7.5hrs | 11.7hrs | 29°C |
June is a wet, humid month in Cayo Guillermo and the temperature is generally hot.
Based on weather alone, this is probably a time of year to avoid going to Cayo Guillermo for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
June is in the summer in Cayo Guillermo and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 23°C (73°F) is normal.
On average June is the 6th driest month of the year in Cayo Guillermo with around 154mm 6.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.5 hours of sunshine per day.
Cayo Guillermo weather in June »
July
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 30°C | 82mm | 8.7hrs | 12.2hrs | 29°C |
July in Cayo Guillermo is generally a little damp with the temperature being very hot.
Based on weather alone, this is probably a time of year to avoid going to Cayo Guillermo for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
July is in the summer in Cayo Guillermo and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 23°C (74°F) is normal.
On average July is the 6th wettest month of the year in Cayo Guillermo with around 82mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.7 hours of sunshine per day.
Cayo Guillermo weather in July »
August
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 30°C | 111mm | 8.4hrs | 12.7hrs | 30°C |
The weather in August in Cayo Guillermo is characteristically very hot, humid and damp.
Based on weather alone, this is probably a time of year to avoid going to Cayo Guillermo for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
August is in the summer in Cayo Guillermo and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (92°F), whilst at night 23°C (74°F) is normal.
On average August is the 5th wettest month of the year in Cayo Guillermo with around 111mm 4.4 inches of rain making it a damp time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.4 hours of sunshine per day.
Cayo Guillermo weather in August »
September
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 156mm | 7.4hrs | 13.4hrs | 30°C |
Cayo Guillermo's weather in September is typically hot, humid and wet in nature.
Based on weather alone, this is probably a time of year to avoid going to Cayo Guillermo for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
September is in the fall / autumn in Cayo Guillermo and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 23°C (73°F) is normal.
On average September is the 4th wettest month of the year in Cayo Guillermo with around 156mm 6.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.4 hours of sunshine per day.
Cayo Guillermo weather in September »
October
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 183mm | 7.2hrs | 14hrs | 29°C |
October is a wet, humid month in Cayo Guillermo and the temperature is generally hot.
Based on weather alone, this is probably a time of year to avoid going to Cayo Guillermo for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
October is in the fall / autumn in Cayo Guillermo and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 22°C (72°F) is normal.
On average October is the 3rd wettest month of the year in Cayo Guillermo with around 183mm 7.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.2 hours of sunshine per day.
Cayo Guillermo weather in October »
November
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 26°C | 87mm | 7.5hrs | 11.7hrs | 27°C |
The climate in Cayo Guillermo during November can be summarized as hot, humid and a little damp.
It is perhaps a good month to visit Cayo Guillermo, with some very good weather at this time of year.
November is in the fall / autumn in Cayo Guillermo and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (85°F), whilst at night 21°C (69°F) is normal.
On average November is the 2nd wettest month of the year in Cayo Guillermo with around 87mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.5 hours of sunshine per day.
Cayo Guillermo weather in November »
December
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 25°C | 40mm | 7.4hrs | 12.2hrs | 26°C |
December in Cayo Guillermo is generally reasonably dry with the temperature being hot.
It is perhaps the perfect month to visit Cayo Guillermo, with some very good weather at this time of year.
December is in the winter in Cayo Guillermo and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 19°C (65°F) is normal.
On average December is the wettest month of the year in Cayo Guillermo with around 40mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.4 hours of sunshine per day.
Other monthly averages
Cayo Guillermo weather stats
| Hottest month: | August | 32.8°C 91°F |
|---|---|---|
| Driest month: | December | 40mm 1.6ins |
| Sunniest month: | March | 8.7hrs |
| Coldest month: | January | 26.8°C 80.2°F |
| Wettest month: | October | 183mm 7.2ins |
| Warmest sea: | August | 29.7°C 85.5°F |
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