January weather forecast
Charles Town, WV

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Weather in January

January in Charles Town, West Virginia begins the year with a wintry chill as temperatures can drop as low as 24.1°F (-4.4°C) and reach no higher than 37.9°F (3.3°C), marking this month as one of the coldest. The city experiences snowfall making it a winter wonderland. Short days, consistent cloud cover, and a relatively low ultraviolet index are also characteristic of January. Compared to December, temperatures and daylight hours are only slightly increased.

Temperature

Charles Town witnesses the coldest weather in January, with temperatures averaging a high of 37.9°F (3.3°C) and a low of 24.1°F (-4.4°C).

Humidity

In Charles Town, the average relative humidity in January is 75%.

Rainfall

In January, the rain falls for 9.2 days. Throughout January, 2.13" (54mm) of precipitation is accumulated. In Charles Town, during the entire year, the rain falls for 162.1 days and collects up to 30.59" (777mm) of precipitation.

Snowfall

Months with snowfall in Charles Town are January through May, November and December. January is the month with the most snowfall. Snow falls for 7.8 days and accumulates 4.17" (106mm) of snow.

Daylight

The average length of the day in January is 9h and 47min.
On the first day of January, sunrise is at 7:31 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:30 pm EST.

Sunshine

The months with the least sunshine are January, February and December, with an average of 5.1h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 2 in January transforms into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

The coldest time of the year is January, with temperatures averaging a high of 37.9°F (3.3°C) and a low of 24.1°F (-4.4°C).

Is it cold during January?

The average high-temperature, in January, in Charles Town, is 37.9°F (3.3°C), while the average low-temperature is 24.1°F (-4.4°C).

What is the average humidity in January in Charles Town?

The average relative humidity in January in Charles Town is 75%.

How much does it rain in January?

In Charles Town, during January, the rain falls for 9.2 days and regularly aggregates up to 2.13" (54mm) of precipitation.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 7.8 days and typically aggregates up to 4.17" (106mm) of snow.

How much does it snow in January?

In Charles Town, during January, snow falls for 7.8 days and regularly aggregates up to 4.17" (106mm) of snow.

How many hours of daylight does Charles Town have in January?

In January, the average day length is 9h and 47min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:31 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:30 pm EST.

What is the month with the least sunshine?

The months with the least sunshine are January, February and December, with an average of 5.1h of sunshine.

How long on average sun shines in January?

The average sunshine duration in January is 5.1h.

What are the months with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in January?

In Charles Town, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Charles Town, WV

Average temperature in January - Charles Town, WV
  • Average high temperature in January: 37.9°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in January: 24.1°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).

Average pressure in January
Charles Town, WV

Average pressure in January - Charles Town, WV
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in January
Charles Town, WV

Average wind speed in January - Charles Town, WV
  • Average wind speed in January: 7.1mph

The windiest month (with the highest average wind speed) is March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in January
Charles Town, WV

Average humidity in January - Charles Town, WV
  • Average humidity in January: 75%

The months with the highest relative humidity are May, October and December (78%).
The month with the lowest relative humidity is July (73%).

Average rainfall in January
Charles Town, WV

Average rainfall in January - Charles Town, WV
  • Average rainfall in January: 2.13"

The wettest months (with the highest rainfall) are May, July and August (3.15").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in January
Charles Town, WV

Average rainfall days in January - Charles Town, WV
  • Average rainfall days in January: 9.2 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.2 days).

Average snowfall in January
Charles Town, WV

Average snowfall in January - Charles Town, WV
  • Average snowfall in January: 4.17"

The month with the highest snowfall is January (4.17").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Charles Town, WV

Average snowfall days in January - Charles Town, WV
  • Average snowfall days in January: 7.8 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Charles Town, WV

Average daylight in January / Average sunshine in January - Charles Town, WV
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).

Average sunshine days in January
Charles Town, WV

Average sunshine days in January - Charles Town, WV
  • Average sunshine days in January: 16.1 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (11.2 days).

Average UV index in January
Charles Town, WV

Average UV index in January - Charles Town, WV
  • 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, November and December (UV index 2).

Average cloud cover in January
Charles Town, WV

Average cloud cover in January - Charles Town, WV
  • Average cloud cover in January: 46

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in January
Charles Town, WV

Average visibility in January - Charles Town, WV
  • Average visibility in January: 5mi

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

Charles Town, West Virginia, USA

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