January weather forecast
Mannington, WV

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Weather in January

January marks the beginning of the year in Mannington, with temperatures registering between 22.5°F (-5.3°C) and 35.8°F (2.1°C). The chill of the winter is present, but there is an increasing number of daylight hours to 9.8 per day. January weather conditions feature low visibility and a high percentage of cloud cover—a typical manifestation of the winter season. A hallmark of this month, the snowfall, blankets the city creating a white, winter wonderland. Despite the cold, January is a great time to enjoy indoor activities, sip on hot chocolate, and cherish the warmth of cozy winter comforters.

Temperature

With average high temperatures of 35.8°F (2.1°C) and lows of 22.5°F (-5.3°C), January is the coldest month in Mannington.

Humidity

January and February, with an average relative humidity of 84%, are the most humid months in Mannington, West Virginia.

Rainfall

In Mannington, during January, the rain falls for 10.8 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Mannington, West Virginia, during the entire year, the rain falls for 188.6 days and collects up to 39.17" (995mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Mannington, in January, snow falls for 15 days, with typically accumulated 5.94" (151mm) of snow. Throughout the year, there are 52.1 snowfall days, and 24.21" (615mm) of snow is accumulated.

Daylight

In Mannington, the average length of the day in January is 9h and 46min.
On the first day of the month, sunrise is at 7:41 am and sunset at 5:07 pm. On the last day of January, in Mannington, sunrise is at 7:29 am and sunset at 5:39 pm EST.

Sunshine

The month with the least sunshine in Mannington is January, with an average of 2.9h 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 reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 2 in January translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What time of the year is the coldest in Mannington?

The month of January sees the average lowest temperatures, reaching 35.8°F (2.1°C) at the peak and 22.5°F (-5.3°C) at the low.

How cold is January in Mannington?

An average high-temperature, in January, in Mannington, is 35.8°F (2.1°C) and the average low-temperature is 22.5°F (-5.3°C).

What is the most humid month in Mannington?

January and February, with an average relative humidity of 84%, are most humid months in Mannington, West Virginia.

What is the average humidity in January in Mannington?

The average relative humidity in January in Mannington, West Virginia, is 84%.

How much does it rain in Mannington in January?

In Mannington, in January, during 10.8 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

How many days does it snow in January in Mannington?

In January, in Mannington, West Virginia, it is snowing for 15 days. Throughout January, 5.94" (151mm) of snow is accumulated.

How many hours of daylight does Mannington have in January?

In January, the average day length in Mannington is 9h and 46min.

When are sunrise and sunset in January in Mannington?

In January, on the first day of the month, sunrise is at 7:41 am and sunset at 5:07 pm. On the last day of the month, in Mannington, sunrise is at 7:29 am and sunset at 5:39 pm EST.

What is the month with the least sunshine in Mannington?

With an average of 2.9h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January in Mannington?

In January, the average sunshine duration in Mannington, West Virginia, is 2.9h.

What are the months with the lowest UV index in Mannington?

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

How high is the UV index in January in Mannington?

The average daily maximum UV index in January in Mannington, West Virginia, is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
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
Mannington, WV

Average temperature in January - Mannington, WV
  • Average high temperature in January: 35.8°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in January: 22.5°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in January
Mannington, WV

Average pressure in January - Mannington, WV
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in January
Mannington, WV

Average wind speed in January - Mannington, WV
  • Average wind speed in January: 7mph

The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in January
Mannington, WV

Average humidity in January - Mannington, WV
  • Average humidity in January: 84%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).

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Average rainfall in January
Mannington, WV

Average rainfall in January - Mannington, WV
  • Average rainfall in January: 2.83"

The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (2.24").

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Average rainfall days in January
Mannington, WV

Average rainfall days in January - Mannington, WV
  • Average rainfall days in January: 10.8 days

The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is January (10.8 days).

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Average snowfall in January
Mannington, WV

Average snowfall in January - Mannington, WV
  • Average snowfall in January: 5.94"

The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Mannington, WV

Average snowfall days in January - Mannington, WV
  • Average snowfall days in January: 15 days

The month with the highest number of snowfall days is January (15 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
Mannington, WV

Average daylight in January / Average sunshine in January - Mannington, 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 24min).

  • Average sunshine in January: 2h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

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Average sunshine days in January
Mannington, WV

Average sunshine days in January - Mannington, WV
  • Average sunshine days in January: 9.3 days

The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (7.8 days).

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Average UV index in January
Mannington, WV

Average UV index in January - Mannington, WV
  • Average UV index in January: 2

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

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Average cloud cover in January
Mannington, WV

Average cloud cover in January - Mannington, WV
  • Average cloud cover in January: 69

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in January
Mannington, WV

Average visibility in January - Mannington, WV
  • Average visibility in January: 4mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

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Mannington, West Virginia, USA

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