The hottest month in Cayo de Agua is April when the average maximum temperature is 31°, average temperature is ° and average minimum temperature is 30°.
The coolest month in Cayo de Agua is May when the average maximum temperature is 27°, average temperature is ° and average minimum temperature is 26°.
The longest days in Cayo de Agua are in June, with an average of 12.8 hours of daylight per day. December has the shortest days with an average of 11.4 hours of daylight per day.
The sunniest days in Cayo de Agua are in March which has the most hours of sunshine per day with an average of 9.4 hours of sunshine per day, making it a sunny month with few clouds. June has the least sunshine with an average of 6.8 hours of sunshine per day, making it a quite sunny month with some cloud cover.
The ultraviolet index is the highest in April when it reaches 14.6 and lowest in December when it reaches 9.7.
An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.
The warmest sea water temperatures in Cayo de Agua are found in September when they peak at 28° and lowest in March when they dip to 26°.
The sea is best for swimming between July and December when the temperature is above 27° which is very warm and ideal for relaxing and swimming for the whole day.
The most humid month in Cayo de Agua is June with a dew point (an indicator of humidity) of 24° which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan.
The least humid month in Cayo de Agua is February with a dew point of 17° which is OK for most but slightly uncomfortable for some.
The most windy month in Cayo de Agua is June when the average maximum windspeed is 21kmh and the average wind speed is 19kmh.
The least windy month in Cayo de Agua is August when the average maximum windspeed is 5kmh and the average wind speed is 5kmh.