January weather forecast
Gwinn, WV

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Weather in January

January, the same as December, is an icy winter month in Gwinn, West Virginia, with an average temperature varying between 39°F (3.9°C) and 25.7°F (-3.5°C).

Temperature

In Gwinn, the lowest average temperatures are observed in January, with a high of 39°F (3.9°C) and a low of 25.7°F (-3.5°C).

Humidity

The average relative humidity in January is 80%.

Rainfall

In Gwinn, West Virginia, in January, it is raining for 12.3 days, with typically 2.44" (62mm) of accumulated precipitation. In Gwinn, during the entire year, the rain falls for 176 days and collects up to 33.15" (842mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. January is the month with the most snowfall in Gwinn. Snow falls for 11.4 days and accumulates 3.62" (92mm) of snow.

Daylight

In Gwinn, the average length of the day in January is 9h and 50min.
On the first day of the month, sunrise is at 7:46 am and sunset at 5:18 pm. On the last day of January, in Gwinn, sunrise is at 7:35 am and sunset at 5:49 pm EST.

Sunshine

The month with the least sunshine in Gwinn, West Virginia, is January, with an average of 3.8h of sunshine.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 in January interprets into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What month is the coldest in Gwinn?

January stands out as Gwinn's coldest month, with temperatures ranging between an average high of 39°F (3.9°C) and a low of 25.7°F (-3.5°C).

Is it cold in Gwinn during January?

The average high-temperature, in January, in Gwinn, is 39°F (3.9°C), while the average low-temperature is 25.7°F (-3.5°C).

What is the average humidity in January in Gwinn?

The average relative humidity in January in Gwinn is 80%.

How much does it rain in Gwinn in January?

In Gwinn, in January, during 12.3 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

When does it snow the most in Gwinn?

January is the month with the most snowfall in Gwinn. Snow falls for 11.4 days and accumulates 3.62" (92mm) of snow.

How many days does it snow in January in Gwinn?

In January, in Gwinn, West Virginia, it is snowing for 11.4 days. Throughout January, 3.62" (92mm) of snow is accumulated.

How many hours of daylight does Gwinn have in January?

The average day length in January in Gwinn, West Virginia, is 9h and 50min.

When are sunrise and sunset in January in Gwinn?

In January, on the first day of the month, sunrise is at 7:46 am and sunset at 5:18 pm. On the last day of the month, in Gwinn, sunrise is at 7:35 am and sunset at 5:49 pm EST.

What is the month with the least sunshine in Gwinn?

With an average of 3.8h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January in Gwinn?

In January, the average sunshine duration is 3.8h.

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

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

How high is the UV index in January in Gwinn?

In January, the average daily maximum UV index in Gwinn, West Virginia, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
Gwinn, WV

Average temperature in January - Gwinn, WV
  • Average high temperature in January: 39°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in January: 25.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure in January
Gwinn, WV

Average pressure in January - Gwinn, WV
  • 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 (29.97"Hg).

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Average wind speed in January
Gwinn, WV

Average wind speed in January - Gwinn, WV
  • Average wind speed in January: 6.6mph

The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in January
Gwinn, WV

Average humidity in January - Gwinn, WV
  • Average humidity in January: 80%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).

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Average rainfall in January
Gwinn, WV

Average rainfall in January - Gwinn, WV
  • Average rainfall in January: 2.44"

The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in January
Gwinn, WV

Average rainfall days in January - Gwinn, WV
  • Average rainfall days in January: 12.3 days

The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is November (10.9 days).

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Average snowfall in January
Gwinn, WV

Average snowfall in January - Gwinn, WV
  • Average snowfall in January: 3.62"

The month with the highest snowfall is January (3.62").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Gwinn, WV

Average snowfall days in January - Gwinn, WV
  • Average snowfall days in January: 11.4 days

The month with the highest number of snowfall days is January (11.4 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
Gwinn, WV

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

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 30min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in January
Gwinn, WV

Average sunshine days in January - Gwinn, WV
  • Average sunshine days in January: 11.7 days

The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (9.3 days).

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Average UV index in January
Gwinn, WV

Average UV index in January - Gwinn, 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 and December (UV index 2).

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Average cloud cover in January
Gwinn, WV

Average cloud cover in January - Gwinn, WV
  • Average cloud cover in January: 61

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in January
Gwinn, WV

Average visibility in January - Gwinn, WV
  • 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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Gwinn, West Virginia, USA

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