January weather forecast
Charleston, West VA

The calm Kanawha River in front of Charleston, West Virginia, reflecting the city in its water
The calm Kanawha River in front of Charleston, West Virginia, reflecting the city in its water

Weather in January

January, the same as December, is another cold winter month in Charleston, West Virginia, with temperature in the range of an average high of 38.7°F (3.7°C) and an average low of 25.3°F (-3.7°C).

Temperature

With an average high-temperature of 38.7°F (3.7°C) and an average low-temperature of 25.3°F (-3.7°C), January is the coldest month.

Humidity

The months with the highest humidity in Charleston, West Virginia, are January and February, with an average relative humidity of 82%.

Rainfall

In Charleston, in January, during 11.8 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, in Charleston, West Virginia, there are 180.4 rainfall days, and 34.06" (865mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Charleston, West Virginia, are January through May, October through December. January is the month with the most snowfall. Snow falls for 14.1 days and accumulates 5.51" (140mm) of snow.

Daylight

In January, the average length of the day in Charleston is 9h and 52min.
On the first day of January, sunrise is at 7:43 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:47 pm EST.

Sunshine

January has the least sunshine of the year, with an average of 3.7h of sunshine.

UV index

The months with the lowest UV index in Charleston are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 in January transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Charleston?

The coldest month in Charleston is January, with an average high-temperature of 38.7°F (3.7°C) and an average low-temperature of 25.3°F (-3.7°C).

What is the temperature in January in Charleston?

The average high-temperature, in January, in Charleston, is 38.7°F (3.7°C), while the average low-temperature is 25.3°F (-3.7°C).

What is the most humid month in Charleston?

January and February, with an average relative humidity of 82%, are most humid months.

What is the average humidity in January in Charleston?

In Charleston, the average relative humidity in January is 82%.

How much does it rain in Charleston in January?

In Charleston, West Virginia, in January, it is raining for 11.8 days, with typically 2.68" (68mm) of accumulated precipitation.

When does it snow the most in Charleston?

January is the month with the most snowfall in Charleston, West Virginia. Snow falls for 14.1 days and accumulates 5.51" (140mm) of snow.

How much does it snow in Charleston in January?

In Charleston, West Virginia, in January, snow falls for 14.1 days, with typically accumulated 5.51" (140mm) of snow.

How many hours of daylight does Charleston have in January?

In January, the average day length is 9h and 52min.

What time are sunrise and sunset in January in Charleston?

On the first day of January in Charleston, West Virginia, sunrise is at 7:43 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:47 pm EST.

What is the month with the least sunshine in Charleston?

The month with the least sunshine is January, with an average of 3.7h of sunshine.

How many hours of sunshine does Charleston have in January?

In January, the average sunshine duration in Charleston is 3.7h.

When is the lowest UV index in Charleston?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Charleston, West Virginia.

How high is the UV index in January in Charleston?

In January, the average daily maximum UV index in Charleston is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Charleston, West VA

Average temperature in January - Charleston, West VA
  • Average high temperature in January: 38.7°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in January: 25.3°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

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Average pressure in January
Charleston, West VA

Average pressure in January - Charleston, West VA
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in January
Charleston, West VA

Average wind speed in January - Charleston, West VA
  • Average wind speed in January: 6.5mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

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Average humidity in January
Charleston, West VA

Average humidity in January - Charleston, West VA
  • Average humidity in January: 82%

The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).

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Average rainfall in January
Charleston, West VA

Average rainfall in January - Charleston, West VA
  • Average rainfall in January: 2.68"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in January
Charleston, West VA

Average rainfall days in January - Charleston, West VA
  • Average rainfall days in January: 11.8 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is November (11 days).

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Average snowfall in January
Charleston, West VA

Average snowfall in January - Charleston, West VA
  • Average snowfall in January: 5.51"

The month with the highest snowfall is January (5.51").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Charleston, West VA

Average snowfall days in January - Charleston, West VA
  • Average snowfall days in January: 14.1 days

The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Charleston, West VA

Average daylight in January / Average sunshine in January - Charleston, West VA
  • Average daylight in January: 9h and 52min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 33min).

  • Average sunshine in January: 3h and 42min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in January
Charleston, West VA

Average sunshine days in January - Charleston, West VA
  • Average sunshine days in January: 9.8 days

The months with the most sunshine days are October and November (16.5 days).
The month with the least sunshine days is February (8.4 days).

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Average UV index in January
Charleston, West VA

Average UV index in January - Charleston, West VA
  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in January
Charleston, West VA

Average cloud cover in January - Charleston, West VA
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in January
Charleston, West VA

Average visibility in January - Charleston, West VA
  • Average visibility in January: 5mi

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

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