Annual average weather for South Carolina, United States

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Annual Average Weather for South Carolina, United States

The annual average maximum daily temperature is 23.8°C (74.8°F) which is warm and makes sunbathing pleasant on clear days. The annual average water temperature is typically 23.7°C (74.6°F) which is warm and pleasant for relaxing and swimming for long periods. Annually there are on average 9.4 days of rain per month and 7.7 hours of sun per day.

When is the best time to visit South Carolina?

The best months to visit South Carolina 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 (75°F) which is warm and pleasant for relaxing and swimming for long periods.

Can you sunbathe in South Carolina year round?

No, you can't sunbathe in South Carolina 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 South Carolina year round?

Yes, you can swim in South Carolina all year round.

The warmest sea water temperatures in South Carolina are found in August when they peak at 28°C (83°F) and lowest in March when they dip to 20°C (67°F).

The sea temperature is above average for swimming between June and October when the sea temperature is above 24°C (75°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 South Carolina?

The hottest month in South Carolina is July when the average maximum temperature is very hot and perfect for sunbathing on clear days 32°C (89°F), average temperature is 28°C (82°F) and average minimum temperature is 24°C (75°F).

More info about the annual temperatures and sunshine.

When is the coldest month in South Carolina?

The coolest month in South Carolina is January when the average maximum temperature is 15°C (58°F), average temperature is 9°C (49°F) and average minimum temperature is 4°C (40°F).

More info about the annual temperatures and sunshine

When is the sunniest month in South Carolina?

The sunniest days in South Carolina are in July which has the most hours of sunshine per day. In July the sunshine percentage is 71.2% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.5hrs making the days long and bright.

More info about the annual sunshine.

When is the least sunny month in South Carolina?

January has the least sunshine. In January the sunshine percentage is 56% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.2 hours of sunshine per day.

More info about the annual sunshine.

When is the driest month in South Carolina?

The driest month in South Carolina is February with 6.6cm (2.6inches) of rain and October has the fewest days of rain with 6.9 days with some rain, a quite rainy time to visit the beach.

More info about the annual rainfall

When is the wettest month in South Carolina?

The wettest month in South Carolina is August with 13.6cm (5.4inches) of rain and the most days of rain with 11.6 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 South Carolina?

The coldest sea water temperatures in South Carolina are found in March when they dip to 20°C (67°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 South Carolina?

The warmest sea water temperatures in South Carolina are found in August when they peak at 28°C (83°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 South Carolina?

The most humid month in South Carolina is August with a dew point (an indicator of humidity) of 25°C (77°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 South Carolina?

The least humid month in South Carolina 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 South Carolina?

The most windy month in South Carolina 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 South Carolina

The hottest month in South Carolina 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 (75°F).

The coolest month in South Carolina is January when the average maximum temperature is 15°C (15°F), average temperature is 9°C (49°F) and average minimum temperature is 4°C (40°F).

Annual Sunshine for South Carolina

The longest days in South Carolina 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 South Carolina are in July which has the most hours of sunshine per day. The sunshine percentage is 71.2% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.5hrs making the days long and bright.

January has the least sunshine. The sunshine percentage is 56% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.2 hours of sunshine per day.

The ultraviolet index is the highest in July when it reaches 11.1 and lowest in December when it reaches 3.2.

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.

Annual Sea Temperature for South Carolina

The warmest sea water temperatures in South Carolina are found in August when they peak at 28°C (83°F) and lowest in March when they dip to 20°C (67°F).

The sea is best for swimming between June and October when the temperature is above 24°C (75°F) which is warm and pleasant for relaxing and swimming for long periods.

Annual Rainfall for South Carolina

The wettest month in South Carolina is August with 13.6cm (5.4inches) of rain and the most days of rain with 11.6 days with some rain, a pretty wet time to visit the beach.

The driest month in South Carolina is February with 6.6cm (2.6inches) of rain and October has the fewest days of rain with 6.9 days with some rain, a quite rainy time to visit the beach.

Annual Humidity for South Carolina

The most humid month in South Carolina is August with a dew point (an indicator of humidity) of 25°C (77°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 South Carolina is January with a dew point of 8°C (46°F) which is a bit dry for some.

Annual Wind Speed for South Carolina

The most windy month in South Carolina 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 South Carolina is September when the average maximum windspeed is 22KM/H (14MPH) and the average wind speed is 9KM/H (5MPH).

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