Weather in Charleston, United States in January

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Visiting Charleston, United States in January

The weather in January is slightly colder than the previous month. January has average maximum temperatures of 15°C (59°F) which is a little too chilly for sunbathing. The sunshine percentage is 51% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.2 hours of sunshine per day. It is not a good time for sunbathing in Charleston.

January has total rainfall of 9.8cm (3.9inches) making it mostly dry with only light showers. There are just 9.8 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

Sea temperatures are a moderate 21°C (69°F). January is a pleasant month for swimming in Charleston though some people may prefer warmer water. The sea temperature in January is slightly cooler than the previous month.

Consider visiting Charleston in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for January.

Can you sunbathe in Charleston in January?

No, January is not a good time for sunbathing in Charleston.

January has average maximum temperatures of 15°C (59°F) which is a little too chilly for sunbathing. The sunshine percentage is 51% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.2 hours of sunshine per day. January has total rainfall of 9.8cm (3.9inches) making it mostly dry with only light showers. There are just 9.8 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

More about January temperature and sunshine.

Can you swim in Charleston in January?

Yes, January is a pleasant month for swimming in Charleston with moderate sea temperatures 21°C (69°F).

More about January sea temperatures.

Is January a good time to holiday in Charleston?

No, January is not a good time for a holiday in Charleston.

January has average maximum temperatures of 15°C (59°F) which is a little too chilly for sunbathing. The sunshine percentage is 51% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.2 hours of sunshine per day. January has total rainfall of 9.8cm (3.9inches) making it mostly dry with only light showers. There are just 9.8 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. It is not a good time for sunbathing in Charleston. Sea temperatures are a moderate 21°C (69°F). January is a pleasant month for swimming in Charleston though some people may prefer warmer water.

More about the January temperatures and sunshine.

Is Charleston warm in January?

No, Charleston is a little too chilly for sunbathing in January.

The average maximum temperature in Charleston in January is 15°C (59°F). The average maximum temperature is 16°C (61°) in the previous month and 17°C (62°F) in the next month.

The average temperature in Charleston in January is 10°C (49°F). The average temperature is 12°C (53°F) in the previous month and 11°C (52°F) in the next month.

More info about the January temperatures and sunshine.

How sunny is Charleston in January?

The average day light hours per day in Charleston in January are 10.2. The sunshine percentage is 51% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.2 hours of sunshine per day.

More about January sunshine.

Temperature in Charleston in January

The weather in January is slightly colder than the previous month. The average maximum temperature in Charleston in January is 15°C (59°F). The average maximum temperature is 16°C (61°F) in the previous month and 17°C (62°F) in the next month.

The average temperature in Charleston in January is 10°C (49°F). The average temperature is 12°C (53°F) in the previous month and 11°C (52°F) in the next month.

The average minimum temperature in Charleston in January is 5°C (40°F). The minimum temperature is 7°C (45°F) in the previous month and 6°C (43°F) in the next month.

Sunshine in Charleston in January

The days in January are marginally longer than the previous month and the days continue to get slightly longer into February. January has far fewer hours of sunshine than the previous month and hours of sunshine continue to drop into February. During January the average day light hours are 10.2 per day in Charleston. The sunshine percentage is 51% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.2 hours of sunshine per day.

The ultraviolet index in Charleston in January is typically 3.5 during January. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive 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, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Charleston in January

The average sea water temperature in Charleston in January is 20.5°C (68.9°F) which is comfortable for swimming though some may prefer warmer water. The sea temperature in January is slightly cooler than the previous month.

Rainfall in Charleston in January

January weather is slightly wetter than the previous month. January has a couple of more days of rain than the previous month and rainy days continue to rise slightly into February. The average total rainfall in Charleston in January is 9.8cm (3.9inches) and on average there are 9.8 rainy days in January making it a quite rainy time to visit the beach.

Humidity in Charleston in January

The maximum dew point (an indicator of humidity) in Charleston in January is 8°C (46°F) which is a bit dry for some. The dew point is 11°C (53°F) in the previous month and 10°C (10°F) in the next month.

The average maximum relative humidity in Charleston in January is typically 90.1%. The maximum relative humidity is 93.6% in the previous month and 92.2% in the next month.

The average relative humidity in Charleston in January is typically 71.3%. The average relative humidity is 76.6% in the previous month and 73% in the next month.

Wind Speed in Charleston in January

The average maximum wind speed in Charleston in January is typically 23KM/H (14MPH). The average maximum wind speed is 21KM/H (13MPH) in the previous month and 26KM/H (16MPH) in the next month.

The average wind speed in Charleston in January is typically 10KM/H (6MPH). The average wind speed is 9KM/H (6MPH) in the previous month and 11KM/H (7MPH) in the next month.

The average wind direction in Charleston in January is from the West-Northwest.

Monthly Averages

Suggested Beaches in January

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