Monthly weather forecast and climate
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 low of 25.3°F (-3.7°C) and an average high of 38.7°F (3.7°C). January is the coldest month, with an average high-temperature of 38.7°F (3.7°C) and an average low-temperature of 25.3°F (-3.7°C). Weather in January »

Weather in February

February, the last month of the winter, in Charleston, is a frosty month, with average temperature fluctuating between 43.3°F (6.3°C) and 28.8°F (-1.8°C). In Charleston, the average high-temperature in February is almost the same as in January - a frosty 43.3°F (6.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Charleston, West Virginia, with average temperature ranging between min 36.3°F (2.4°C) and max 52.3°F (11.3°C). In Charleston, the average high-temperature in March rises, from a frosty 43.3°F (6.3°C) in February, to a fresh 52.3°F (11.3°C). Weather in March »

Weather in April

April is an enjoyable spring month in Charleston, West Virginia, with average temperature varying between 64.8°F (18.2°C) and 45.3°F (7.4°C). In Charleston, the average high-temperature increases, from a cool 52.3°F (11.3°C) in March, to an enjoyable 64.8°F (18.2°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Charleston, West Virginia, with average temperature varying between 54.1°F (12.3°C) and 74.8°F (23.8°C). In Charleston, the average high-temperature in May increases, from a comfortable 64.8°F (18.2°C) in April, to a moderately hot 74.8°F (23.8°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Charleston, West Virginia, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 59.7°F (15.4°C). In June, the average high-temperature marginally rises, from a warm 74.8°F (23.8°C) in May, to a still moderately hot 82°F (27.8°C). Weather in June »

Weather in July

July, like June, in Charleston, West Virginia, is a moderately hot summer month, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 63.3°F (17.4°C). The warmest month is July, with an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 63.3°F (17.4°C). In July, the average heat index is estimated at a very hot 96.8°F (36°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Charleston, West Virginia, with average temperature ranging between max 84.6°F (29.2°C) and min 61.3°F (16.3°C). In August, the average high-temperature is almost the same as in July - a still moderately hot 84.6°F (29.2°C). Weather in August »

Weather in September

September, the first month of the autumn, in Charleston, is still a warm month, with average temperature varying between 56.7°F (13.7°C) and 77.9°F (25.5°C). In September, the average high-temperature marginally drops, from 84.6°F (29.2°C) in August, to a still moderately hot 77.9°F (25.5°C). Weather in September »

Weather in October

October, like September, in Charleston, West Virginia, is another comfortable autumn month, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 65.3°F (18.5°C). In Charleston, the average high-temperature decreases, from a moderately hot 77.9°F (25.5°C) in September, to a comfortable 65.3°F (18.5°C). Weather in October »

Weather in November

November, the last month of the autumn, in Charleston, is another cool month, with temperature in the range of an average low of 36.9°F (2.7°C) and an average high of 52.7°F (11.5°C). In Charleston, the average high-temperature in November decreases, from an enjoyable 65.3°F (18.5°C) in October, to a cool 52.7°F (11.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Charleston, West Virginia, with average temperature varying between 32.4°F (0.2°C) and 43.7°F (6.5°C). In December, the average high-temperature drops, from a fresh 52.7°F (11.5°C) in November, to a frosty 43.7°F (6.5°C). Weather in December »
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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 are the most humid months in Charleston?

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

How much does it rain in Charleston?

In Charleston, West Virginia, during the entire year, the rain falls for 180.4 days and collects up to 34.06" (865mm) of precipitation.

When does it snow in Charleston?

January through May, October through December are months with snowfall in Charleston.

How many days does it snow in Charleston?

In Charleston, West Virginia, during the entire year, snow falls for 46.8 days, and aggregates up to 22.01" (559mm) of snow.

When does it snow the most in Charleston?

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

What is the month with the least sunshine in Charleston?

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

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

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

What is the wettest month in Charleston?

The month with the most rainfall in Charleston is May when the rain falls for 20.1 days and typically aggregates up to 3.94" (100mm) of precipitation.

When is the highest UV index in Charleston?

Months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the least humid month in Charleston?

Months with the lowest humidity are June through August and November, with an average relative humidity of 76%.

When it does not snow in Charleston?

In Charleston snow does not fall in June through September.

When are the longest days in Charleston?

June has the longest days of the year in Charleston, with an average of 14.8h of daylight.

What is the warmest month in Charleston?

With an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 63.3°F (17.4°C), July is the warmest month.

What month has the most sunshine in Charleston?

With an average of 10.2h of sunshine, August has the most sunshine of the year in Charleston, West Virginia.

What is the driest month in Charleston?

The month with the least rainfall is September when the rain falls for 13.9 days and typically collects 1.81" (46mm) of precipitation.

What is the month with the shortest days in Charleston?

December has the shortest days of the year in Charleston, with an average of 9.5h of daylight.

Average temperature
Charleston, West VA

Average temperature - Charleston, West VA

The warmest month (with the highest average high temperature) is July (29.8°C).
The month with the lowest average high temperature is January (3.7°C).

The month with the highest average low temperature is July (17.4°C).
The coldest month (with the lowest average low temperature) is January (-3.7°C).

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Average pressure
Charleston, West VA

Average pressure - Charleston, West VA

The month with the highest atmospheric pressure is November (1021.3mbar).
The month with the lowest atmospheric pressure is June (1015.1mbar).

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Average wind speed
Charleston, West VA

Average wind speed - Charleston, West VA

The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).

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Average humidity
Charleston, West VA

Average humidity - Charleston, West VA

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

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Average rainfall
Charleston, West VA

Average rainfall - Charleston, West VA

The wettest month (with the highest rainfall) is May (100mm).
The driest month (with the least rainfall) is September (46mm).

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Average rainfall days
Charleston, West VA

Average rainfall days - Charleston, West VA

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
Charleston, West VA

Average snowfall - Charleston, West VA

The month with the highest snowfall is January (140mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days
Charleston, West VA

Average snowfall days - Charleston, West VA

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

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Average daylight / Average sunshine
Charleston, West VA

Average daylight / Average sunshine - Charleston, West VA

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

The month with the most sunshine is August (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 3.7h).

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Average sunshine days
Charleston, West VA

Average sunshine days - Charleston, West VA

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
Charleston, West VA

Average UV index - Charleston, West VA

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

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Average visibility
Charleston, West VA

Average visibility - Charleston, West VA

Months with the highest visibility are April and November (9km).
Months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (8km).

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