January weather forecast
Gwinn, WV

Share

Weather in January

January, like December, in Gwinn, West Virginia, is a wintry winter month, with temperature in the range of an average low of 25.7°F (-3.5°C) and an average high of 39°F (3.9°C).

Temperature

January, with average temperatures reaching a high of 39°F (3.9°C) and a low of 25.7°F (-3.5°C), is the coldest month.

Humidity

The average relative humidity in January is 80%.

Rainfall

In Gwinn, in January, it is raining for 12.3 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, there are 176 rainfall days, and 33.15" (842mm) of precipitation is accumulated.

Snowfall

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

Daylight

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

Sunshine

The month with the least sunshine 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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: A maximum daily UV index of 2 during January morphs into the following directions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

January is Gwinn's coldest month, registering average high temperatures of 39°F (3.9°C) and lows of 25.7°F (-3.5°C).

How cold is it in 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, West Virginia, the average relative humidity in January is 80%.

How much does it rain in January?

In Gwinn, during January, the rain falls for 12.3 days and regularly aggregates up to 2.44" (62mm) of precipitation.

What is the snowiest month?

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

How much does it snow in January?

In Gwinn, West Virginia, in January, snow falls for 11.4 days, with typically accumulated 3.62" (92mm) of snow.

How many hours of daylight does Gwinn have in January?

In Gwinn, the average day length in January is 9h and 50min.

When are sunrise and sunset in January?

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, sunrise is at 7:35 am and sunset at 5:49 pm EST.

What is the month with the least sunshine?

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, the average sunshine duration in January is 3.8h.

What is the month with the lowest UV index?

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

How high is the UV index in January?

In Gwinn, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Gwinn, West Virginia, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location