The hottest month in Matanzas is August when the average maximum temperature is 32°, average temperature is 27° and average minimum temperature is 23°.
The coolest month in Matanzas is January when the average maximum temperature is 26°, average temperature is 21° and average minimum temperature is 17°.
The longest days in Matanzas are in June, with an average of 13.5 hours of daylight per day. December has the shortest days with an average of 10.8 hours of daylight per day.
The sunniest days in Matanzas are in April which has the most hours of sunshine per day with an average of 8.7 hours of sunshine per day, making it a sunny month with few clouds. December 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 May when it reaches 12.8 and lowest in December when it reaches 6.2.
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 Matanzas are found in September when they peak at 30° and lowest in February when they dip to 25°.
The sea is best for swimming between May and December when the temperature is above 28° which is very warm and ideal for relaxing and swimming for the whole day.
The wettest month in Matanzas is February with 5.2cm of rain and September has the most days of rain with 14.1 days with some rain, a slightly wet time to visit the beach.
The driest month in Matanzas is March with 0cm of rain and the least days of rain with 5 days with some rain, a very dry time to visit the beach.
The most humid month in Matanzas is August with a dew point (an indicator of humidity) of 24° which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.
The least humid month in Matanzas is January with a dew point of 19° which is somewhat uncomfortable for most people in cities but fine on a beach.
The most windy month in Matanzas is April when the average maximum windspeed is 27kmh and the average wind speed is 11kmh.
The least windy month in Matanzas is September when the average maximum windspeed is 20kmh and the average wind speed is 7kmh.