The hottest month in Maceio is March when the average maximum temperature is 31°, average temperature is 27° and average minimum temperature is 23°.
The coolest month in Maceio is August when the average maximum temperature is 27°, average temperature is 23° and average minimum temperature is 20°.
The longest days in Maceio are in December, with an average of 12.7 hours of daylight per day. June has the shortest days with an average of 11.6 hours of daylight per day.
The sunniest days in Maceio are in September which has the most hours of sunshine per day with an average of 10 hours of sunshine per day, making it a sunny month with few clouds. July has the least sunshine with an average of 5.1 hours of sunshine per day, making it a sunny month that is overcast at times.
The ultraviolet index is the highest in February when it reaches 15.2 and lowest in June when it reaches 9.5.
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 Maceio are found in March when they peak at 29° and lowest in August when they dip to 26°.
The sea is best for swimming between December and May when the temperature is above 27° which is very warm and ideal for relaxing and swimming for the whole day.
The wettest month in Maceio is July with 32.6cm of rain and June has the most days of rain with 22.4 days with some rain, a very wet time to visit the beach.
The driest month in Maceio is December with 2.4cm of rain and the least days of rain with 4.9 days with some rain, a very dry time to visit the beach.
The most humid month in Maceio is April with a dew point (an indicator of humidity) of 25° 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 Maceio is July with a dew point of 22° 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 most windy month in Maceio is November when the average maximum windspeed is 27kmh and the average wind speed is 11kmh.
The least windy month in Maceio is May when the average maximum windspeed is 21kmh and the average wind speed is 8kmh.
