Charleston
South Carolina, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Charleston, SC

Trees along both sides of a street in Charleston, South Carolina, in the twilight light
Trees along both sides of a street in Charleston, South Carolina, in the twilight light
Enero, like Diciembre, is another mild winter month in Charleston, South Carolina, with temperature in the range of an average high of 59°F (15°C) and an average low of 37.6°F (3.1°C).

Temperature

The coldest month is Enero, with an average high-temperature of 59°F (15°C) and an average low-temperature of 37.6°F (3.1°C).

Humidity

The average relative humidity in Enero is 69.8%.

Rainfall

In Charleston, during Enero, the rain falls for 9.6 days and regularly aggregates up to 3.71" (94.2mm) of precipitation. Throughout the year, there are 112.7 rainfall days, and 51.03" (1296.1mm) of precipitation is accumulated.

Snowfall

Enero, Marzo through Noviembre are months without snowfall.

Ocean temperature

In Charleston, South Carolina, the average seawater temperature in Enero is 63.1°F (17.3°C).
Note: For swimming, a surface water temperature of 63.1°F (17.3°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

In Enero, the average length of the day in Charleston is 10.3h.

Sunshine

In Charleston, South Carolina, the average sunshine in Enero is 5.8h.

UV index

Months with the lowest UV index are Enero and Diciembre, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Charleston?

Enero is the coldest month, with an average high-temperature of 59°F (15°C) and an average low-temperature of 37.6°F (3.1°C).

What is the temperature in Enero in Charleston?

In Enero, the average high-temperature is 59°F (15°C), and the average low-temperature is 37.6°F (3.1°C).

What is the average humidity in Enero in Charleston?

In Charleston, the average relative humidity in Enero is 69.8%.

How many days does it rain in Enero in Charleston?

In Charleston, in Enero, during 9.6 rainfall days, 3.71" (94.2mm) of precipitation is typically accumulated.

Does it snow in Charleston in Enero?

In Enero, in Charleston, it doesn't snow. Diciembre is the latest month when it typically snows.

When it does not snow in Charleston?

Enero, Marzo through Noviembre are months without snowfall.

What is the ocean temperature in Enero in Charleston?

In Enero, the average ocean temperature in Charleston is 63.1°F (17.3°C). For most, swimming in 63.1°F (17.3°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

How many hours of daylight does Charleston have in Enero?

The average length of the day in Enero in Charleston is 10.3h.

How long on average sun shines in Enero in Charleston?

In Charleston, the average sunshine in Enero is 5.8h.

What is the month with the lowest UV index in Charleston?

Enero and Diciembre, with an average maximum UV index of 3, are months with the lowest UV index in Charleston, South Carolina.

What is the UV index intensity in Enero in Charleston?

In Enero, the average daily maximum UV index in Charleston, South Carolina, is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in January - Charleston, SC
  • Average high temperature in January: 59°F

The warmest month (with the highest average high temperature) is July (91.1°F).
The month with the lowest average high temperature is January (59°F).

  • Average low temperature in January: 37.5°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (37.5°F).

Average humidity in January - Charleston, SC
  • Average humidity in January: 69.8%

The month with the highest relative humidity is August (78.9%).
The month with the lowest relative humidity is February (67.4%).

Average rainfall in January - Charleston, SC
  • Average rainfall in January: 3.7"

The wettest month (with the highest rainfall) is August (7.2").
The driest month (with the lowest rainfall) is November (2.4").

Average rainfall days in January - Charleston, SC
  • Average rainfall days in January: 9.6 days

The month with the highest number of rainy days is August (13.2 days).
The month with the lowest number of rainy days is November (7 days).

Average snowfall in January - Charleston, SC
  • Average snowfall in January: 0"

The month with the highest snowfall is December (0.5").
Months with the lowest snowfall are January, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in January - Charleston, SC
  • Average snowfall days in January: 0.1 days

Months with the highest number of snowfall days are February and December (0.2 days).
Months with the lowest number of snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average sea temperature in January - Charleston, SC
  • Average sea temperature in January: 63.1°F

The best month for swimming (with the highest average sea temperature) is August (83.5°F).
The coldest month (with the lowest average sea temperature) is February (61.9°F).

Average daylight in January / Average sunshine in January - Charleston, SC
  • Average daylight in January: 10.3h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).

  • Average sunshine in January: 5.8h

The month with most sunshine is May (Average sunshine: 9.5h).
The month with least sunshine is December (Average sunshine: 5.5h).

Average UV index in January - Charleston, SC
  • Average UV index in January: 3

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 3).