The climate in Cayo Guillermo during July can be summarized as very hot, humid and a little damp.
July is in the summer in Cayo Guillermo and is typically the 2nd 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.
Daytime temperature | 32.9°C 91.2°F |
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Nightly temperature | 23.2°C 73.8°F |
Average temperature | 28.1°C 82.5°F |
Daily sunshine | 8.7 hrs |
Avg rainfall | 82 mm 3.2 ins |
Rainy days | 13 days |
Sea temperature | 29.3°C 84.8°F |
Humidity | 79% |
Windspeed | 12.1kph 8 mph |
On average July is the 6th driest 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.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cayo Guillermo in July 2024.
Hottest month: | August | 32.8°C 91°F |
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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 |