Annual average weather for Myrtle Beach, United States

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Annual Average Weather for Myrtle Beach, United States

The annual average maximum daily temperature is 22.6°C (72.6°F) which is warm and makes sunbathing pleasant on clear days. The annual average water temperature is typically 24.3°C (75.8°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 7.6 hours of sun per day.

When is the best time to visit Myrtle Beach?

The best months to visit Myrtle 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 (76°F) which is warm and pleasant for relaxing and swimming for long periods.

Can you sunbathe in Myrtle Beach year round?

No, you can't sunbathe in Myrtle 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 Myrtle Beach year round?

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

The warmest sea water temperatures in Myrtle Beach are found in August when they peak at 28°C (83°F) and lowest in April when they dip to 22°C (71°F).

The sea temperature is above average for swimming between June and October when the sea temperature is above 24°C (76°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 Myrtle Beach?

The hottest month in Myrtle Beach is July when the average maximum temperature is very hot and perfect for sunbathing on clear days 31°C (88°F), average temperature is 27°C (80°F) and average minimum temperature is 23°C (74°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Myrtle Beach?

The coolest month in Myrtle Beach is January when the average maximum temperature is 13°C (56°F), average temperature is 8°C (46°F) and average minimum temperature is 3°C (37°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Myrtle Beach?

The sunniest days in Myrtle Beach are in August which has the most hours of sunshine per day. In August the sunshine percentage is 80% making it sunny and pleasant most of the time. The hours of sunshine per day are 10.7hrs making the days very long and bright.

More info about the annual sunshine.

When is the least sunny month in Myrtle Beach?

February has the least sunshine. In February the sunshine percentage is 42% making it quite sunny but with regular periods of cloudy and overcast skies. There are 4.8 hours of sunshine per day.

More info about the annual sunshine.

When is the driest month in Myrtle Beach?

The driest month in Myrtle Beach is February with 6.7cm (2.6inches) of rain and November has the fewest days of rain with 7.2 days with some rain, a quite rainy time to visit the beach.

More info about the annual rainfall

When is the wettest month in Myrtle Beach?

The wettest month in Myrtle Beach is August with 16.7cm (6.6inches) of rain and July has the most days of rain with 11.5 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 Myrtle Beach?

The coldest sea water temperatures in Myrtle Beach are found in April when they dip to 22°C (71°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 Myrtle Beach?

The warmest sea water temperatures in Myrtle Beach 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 Myrtle Beach?

The most humid month in Myrtle Beach is July with a dew point (an indicator of humidity) of 24°C (75°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 Myrtle Beach?

The least humid month in Myrtle Beach is January with a dew point of 7°C (44°F) which is a bit dry for some.

More info about the annual humidity.

When is the windiest month in Myrtle Beach?

The most windy month in Myrtle Beach is April when the average maximum windspeed is 29KM/H (18MPH) and the average wind speed is 14KM/H (9MPH).

More info about the annual wind conditions.

Annual Temperature for Myrtle Beach

The hottest month in Myrtle Beach is July when the average maximum temperature is 31°C (88°F), average temperature is 27°C (80°F) and average minimum temperature is 23°C (74°F).

The coolest month in Myrtle Beach is January when the average maximum temperature is 13°C (13°F), average temperature is 8°C (46°F) and average minimum temperature is 3°C (37°F).

Annual Sunshine for Myrtle Beach

The longest days in Myrtle Beach are in June, with an average of 14.4 hours of daylight per day. December has the shortest days with an average of 9.9 hours of daylight per day.

The sunniest days in Myrtle Beach are in August which has the most hours of sunshine per day. The sunshine percentage is 80% making it sunny and pleasant most of the time. The hours of sunshine per day are 10.7hrs making the days very long and bright.

February has the least sunshine. The sunshine percentage is 42% making it quite sunny but with regular periods of cloudy and overcast skies. There are 4.8 hours of sunshine per day.

The ultraviolet index is the highest in July when it reaches 11 and lowest in December when it reaches 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 Myrtle Beach

The warmest sea water temperatures in Myrtle Beach are found in August when they peak at 28°C (83°F) and lowest in April when they dip to 22°C (71°F).

The sea is best for swimming between June and October when the temperature is above 24°C (76°F) which is warm and pleasant for relaxing and swimming for long periods.

Annual Rainfall for Myrtle Beach

The wettest month in Myrtle Beach is August with 16.7cm (6.6inches) of rain and July has the most days of rain with 11.5 days with some rain, a pretty wet time to visit the beach.

The driest month in Myrtle Beach is February with 6.7cm (2.6inches) of rain and November has the fewest days of rain with 7.2 days with some rain, a quite rainy time to visit the beach.

Annual Humidity for Myrtle Beach

The most humid month in Myrtle Beach is July with a dew point (an indicator of humidity) of 24°C (75°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 Myrtle Beach is January with a dew point of 7°C (44°F) which is a bit dry for some.

Annual Wind Speed for Myrtle Beach

The most windy month in Myrtle Beach is April when the average maximum windspeed is 29KM/H (18MPH) and the average wind speed is 14KM/H (9MPH).

The least windy month in Myrtle Beach is October when the average maximum windspeed is 24KM/H (15MPH) and the average wind speed is 11KM/H (7MPH).

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