The hottest month in Volusia County is August when the average maximum temperature is 33°, average temperature is 28° and average minimum temperature is 24°.
The coolest month in Volusia County is January when the average maximum temperature is 21°, average temperature is 15° and average minimum temperature is 9°.
The longest days in Volusia County are in June, with an average of 14 hours of daylight per day. December has the shortest days with an average of 10.3 hours of daylight per day.
The sunniest days in Volusia County are in May which has the most hours of sunshine per day with an average of 9.8 hours of sunshine per day, making it a sunny month with few clouds. December has the least sunshine with an average of 6.4 hours of sunshine per day, making it a quite sunny month with some cloud cover.
The ultraviolet index is the highest in July when it reaches 11.9 and lowest in December when it reaches 4.2.
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 Volusia County are found in August when they peak at 29° and lowest in March when they dip to 23°.
The sea is best for swimming between May and December when the temperature is above 26° which is warm and pleasant for relaxing and swimming for long periods.
The wettest month in Volusia County is September with 216.7cm of rain and August has the most days of rain with 17.9 days with some rain, a very wet time to visit the beach.
The driest month in Volusia County is April with 50.2cm of rain and November has the fewest days of rain with 7.7 days with some rain, a slightly wet time to visit the beach.
The most humid month in Volusia County 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 Volusia County is January with a dew point of 13° which is very comfortable.
The most windy month in Volusia County is March when the average maximum windspeed is 28kmh and the average wind speed is 11kmh.
The least windy month in Volusia County is December when the average maximum windspeed is 25kmh and the average wind speed is 10kmh.