Folly Beach (SC) Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from very warm to moderate in Folly Beach. Average daytime temperatures reach a very warm 31°C (88°F) in August. In January, the coolest month of the year, temperatures drop to a moderate 15°C (59°F).

At night, temperatures range from around 24°C (75°F) in August to 5°C (41°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Folly Beach has a relatively rainy climate with high precipitation levels, averaging 1222 mm (48 in) of rainfall annually. Folly Beach can be quite wet during August, receiving approximately 171 mm (6.7 in) of precipitation over 15 rainy days.

In contrast, during the driest month (April), you will experience much drier conditions, with 69 mm (2.7 in) of precipitation spread across 8 rainy days. For more details, please visit our Folly Beach Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Folly Beach can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 9.8 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.7 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Folly Beach.

The city experiences its highest humidity in August, reaching 79%. In February, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year