December weather forecastGlenville, WV

December

Weather in December

The first month of the winter, December, is also a frosty month in Glenville, West Virginia, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 43°F (6.1°C).

Temperature

A subtle decrease in the average high-temperature marks December, falling from November's cool 52°F (11.1°C) to a frosty 43°F (6.1°C). Glenville reports a consistent average low-temperature of 31.1°F (-0.5°C) throughout December nights.

Humidity

The average relative humidity in December in Glenville, West Virginia, is 82%.

Rainfall

In December, in Glenville, the rain falls for 13.7 days. Throughout December, 3.27" (83mm) of precipitation is accumulated. In Glenville, during the entire year, the rain falls for 189.9 days and collects up to 38.19" (970mm) of precipitation.

Snowfall

Months with snowfall in Glenville are January through April, October through December. In Glenville, in December, snow falls for 10.5 days, with typically accumulated 3.98" (101mm) of snow. In Glenville, during the entire year, snow falls for 51.3 days and aggregates up to 21.93" (557mm) of snow.

Daylight

The month with the shortest days in Glenville is December, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:23 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:11 pm EST.

Sunshine

The average sunshine in December is 3.9h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Glenville, West Virginia. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Enhance your sun protection with tightly woven, yet airy clothing. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in December, in Glenville, records 43°F (6.1°C), while the low-temperature is 31.1°F (-0.5°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is evaluated at 91.4°F (33°C).

In Glenville, West Virginia, the average relative humidity in December is 82%.

In Glenville, West Virginia, in December, during 13.7 rainfall days, 3.27" (83mm) of precipitation is typically accumulated.

In December, in Glenville, West Virginia, it is snowing for 10.5 days. Throughout December, 3.98" (101mm) of snow is accumulated.

December has the shortest days of the year, with an average of 9h and 30min of daylight.

In December, the average day length in Glenville, West Virginia, is 9h and 29min.

On the first day of December, sunrise is at 7:23 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:11 pm EST.

In December, the average sunshine duration in Glenville, West Virginia, is 3.9h.

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

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Glenville, WV

  • Average high temperature in December: 43°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in December
Glenville, WV

  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
Glenville, WV

  • Average wind speed in December: 6mph

The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in December
Glenville, WV

  • Average humidity in December: 82%

The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).

Average rainfall in December
Glenville, WV

  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in December
Glenville, WV

  • Average rainfall days in December: 13.7 days

The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is November (11.7 days).

Average snowfall in December
Glenville, WV

  • Average snowfall in December: 3.98"

The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Glenville, WV

  • Average snowfall days in December: 10.5 days

The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Glenville, WV

  • Average daylight in December: 9h and 30min

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 December: 3h and 54min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in December
Glenville, WV

  • Average sunshine days in December: 10 days

The month with the most sunshine days is October (15 days).
The month with the least sunshine days is January (7.9 days).

Average UV index in December
Glenville, WV

  • Average UV index in December: 2

The months with the highest UV index are 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 December
Glenville, WV

  • Average cloud cover in December: 62

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in December
Glenville, WV

  • Average visibility in December: 5mi

The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).