The hottest month in Fort Walton Beach is August when the average maximum temperature is 32°, average temperature is 27° and average minimum temperature is 23°.
The coolest month in Fort Walton Beach is January when the average maximum temperature is 16°, average temperature is 11° and average minimum temperature is 6°.
The longest days in Fort Walton Beach are in June, with an average of 14.1 hours of daylight per day. December has the shortest days with an average of 10.2 hours of daylight per day.
The sunniest days in Fort Walton Beach are in April 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. December has the least sunshine with an average of 6.7 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 11.6 and lowest in December when it reaches 3.8.
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 Fort Walton Beach are found in August when they peak at 30° and lowest in March when they dip to 17°.
The sea is best for swimming between June and December when the temperature is above 23° which is warm and pleasant for relaxing and swimming for long periods.
The wettest month in Fort Walton Beach is August with 2312.5cm of rain and July has the most days of rain with 19.9 days with some rain, a very wet time to visit the beach.
The driest month in Fort Walton Beach is January with 51.8cm of rain and May has the fewest days of rain with 12.8 days with some rain, a slightly wet time to visit the beach.
The most humid month in Fort Walton Beach is August 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 Fort Walton Beach is January with a dew point of 11° which is very comfortable.
The most windy month in Fort Walton Beach is April when the average maximum windspeed is 25kmh and the average wind speed is 12kmh.
The least windy month in Fort Walton Beach is September when the average maximum windspeed is 23kmh and the average wind speed is 11kmh.