Annual average weather for Folly Beach, Folly Island, United States

Best
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21°
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20°
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21°
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26°
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28°
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28°
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27°
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25°
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22°
Swim

When is the best time to visit Folly Beach?

The best months to visit Folly Beach are June, July, August, September, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.

The weather is perfect for sunbathing in the months from May to September when the maximum temperature reaches above 26°C (72°F)

The sea is best for swimming between June and October when the sea temperature is above the average 24°C (74°F) which is warm and pleasant for relaxing and swimming for long periods.

Can you sunbathe in Folly Beach year round?

No, you can't sunbathe in Folly Beach all year round. Some months are too cold for sunbathing, however you might enjoy other beach activities such as taking a walk, going hiking along trails or just enjoying the scenery.

The weather is best for sunbathing in the months from May to September when the maximum temperature reaches above 26°C (72°F)

More info about the annual temperatures and sunshine.

Can you swim in Folly Beach year round?

Yes, you can swim in Folly Beach all year round.

The warmest sea water temperatures in Folly Beach are found in August when they peak at 28°C (82°F) and lowest in April when they dip to 20°C (69°F).

The sea temperature is above average for swimming between June and October when the sea temperature is above 24°C (74°F) which is warm and pleasant for relaxing and swimming for long periods.

For perfect swimming and lounging all day, try the months from June to September when the sea temperature is above 26°C (79°F)

More info about the annual sea temperatures

When is the hottest month in Folly Beach?

The hottest month in Folly Beach is July when the average maximum temperature is very hot 32°C (89°F), average temperature is 28°C (82°F) and average minimum temperature is 24°C (76°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Folly Beach?

The coolest month in Folly Beach is January when the average maximum temperature is 15°C (59°F), average temperature is 10°C (49°F) and average minimum temperature is 5°C (40°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Folly Beach?

The sunniest days in Folly Beach are in July which has the most hours of sunshine per day with an average of 9.2 hours of sunshine per day. July is generally sunny and pleasant with long bright days.

More info about the annual sunshine.

When is the least sunny month in Folly Beach?

December has the least sunshine with an average of 6.6 hours of sunshine per day. December is sunny but overcast at times.

More info about the annual sunshine.

When is the driest month in Folly Beach?

The driest month in Folly Beach is March with 7.8cm (3.1inches) of rain and October has the fewest days of rain with 6.8 days with some rain, a quite rainy time to visit the beach.

More info about the annual rainfall

When is the wettest month in Folly Beach?

The wettest month in Folly Beach is August with 15.7cm (6.2inches) of rain and the most days of rain with 10.8 days with some rain, a pretty wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in Folly Beach?

The coldest sea water temperatures in Folly Beach are found in April when they dip to 20°C (69°F) which is comfortable for swimming though some may prefer warmer water.

More info about the annual sea temperatures.

When is the sea the warmest in Folly Beach?

The warmest sea water temperatures in Folly Beach are found in August when they peak at 28°C (82°F) which is very warm and ideal for relaxing and swimming for the whole day.

More info about the annual sea temperatures.

When is the most humid month in Folly Beach?

The most humid month in Folly Beach is August with a dew point (an indicator of humidity) of 26°C (78°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.

More info about the annual humidity.

When is the least humid month in Folly Beach?

The least humid month in Folly Beach is January with a dew point of 8°C (46°F) which is a bit dry for some.

More info about the annual humidity.

When is the windiest month in Folly Beach?

The most windy month in Folly Beach is April when the average maximum windspeed is 27KM/H (17MPH) and the average wind speed is 12KM/H (7MPH).

More info about the annual wind conditions.

Annual Temperature for Folly Beach

The hottest month in Folly Beach is July when the average maximum temperature is 32°C (89°F), average temperature is 28°C (82°F) and average minimum temperature is 24°C (76°F).

The coolest month in Folly Beach is January when the average maximum temperature is 15°C (15°F), average temperature is 10°C (49°F) and average minimum temperature is 5°C (40°F).

Annual Sunshine for Folly Beach

The longest days in Folly Beach are in June, with an average of 14.3 hours of daylight per day. December has the shortest days with an average of 10 hours of daylight per day.

The sunniest days in Folly Beach are in July which has the most hours of sunshine per day with an average of 9.2 hours of sunshine per day, making it generally sunny and pleasant with long bright days.

December has the least sunshine with an average of 6.6 hours of sunshine per day, making it sunny but overcast at times.

The ultraviolet index is the highest in July when it reaches 11.2 and lowest in December when it reaches 3.3.

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.

Annual Sea Temperature for Folly Beach

The warmest sea water temperatures in Folly Beach are found in August when they peak at 28°C (82°F) and lowest in April when they dip to 20°C (69°F).

The sea is best for swimming between June and October when the temperature is above 24°C (74°F) which is warm and pleasant for relaxing and swimming for long periods.

Annual Rainfall for Folly Beach

The wettest month in Folly Beach is August with 15.7cm (6.2inches) of rain and the most days of rain with 10.8 days with some rain, a pretty wet time to visit the beach.

The driest month in Folly Beach is March with 7.8cm (3.1inches) of rain and October has the fewest days of rain with 6.8 days with some rain, a quite rainy time to visit the beach.

Annual Humidity for Folly Beach

The most humid month in Folly Beach is August with a dew point (an indicator of humidity) of 26°C (78°F) 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 Folly Beach is January with a dew point of 8°C (46°F) which is a bit dry for some.

Annual Wind Speed for Folly Beach

The most windy month in Folly Beach is April when the average maximum windspeed is 27KM/H (17MPH) and the average wind speed is 12KM/H (7MPH).

The least windy month in Folly Beach is September when the average maximum windspeed is 21KM/H (13MPH) and the average wind speed is 8KM/H (5MPH).

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