December weather forecastGlenwood, WV
December
Weather in December
The first month of the winter, December, is also a frosty month in Glenwood, West Virginia, with an average temperature ranging between max 43.3°F (6.3°C) and min 31.8°F (-0.1°C).Temperature
With December's onset, the average high-temperature recedes from November's fresh 52.9°F (11.6°C) to a chilly 43.3°F (6.3°C). Throughout December nights, Glenwood experiences a consistent temperature average of 31.8°F (-0.1°C).Humidity
The average relative humidity in December is 81%.Rainfall
In Glenwood, in December, it is raining for 13.6 days, with typically 3.43" (87mm) of accumulated precipitation. In Glenwood, West Virginia, during the entire year, the rain falls for 176.2 days and collects up to 35" (889mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Glenwood, in December, during 8.6 snowfall days, 3.27" (83mm) of snow is typically accumulated. In Glenwood, during the entire year, snow falls for 41.5 days and aggregates up to 17.05" (433mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:28 am and sunset at 5:07 pm. On the last day of December, in Glenwood, sunrise is at 7:46 am and sunset at 5:17 pm EST.
Sunshine
The average sunshine in December is 4.2h.UV index
The months with the lowest UV index in Glenwood, West Virginia, are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 2 during December leads to these instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Glenwood, WV
- Average high temperature in December: 43.3°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Glenwood, WV
- Average pressure in December: 30.14"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 December
Glenwood, WV
- Average wind speed in December: 6.2mph
The windiest months (with the highest average wind speed) are January and February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Glenwood, WV
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Glenwood, WV
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Glenwood, WV
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in December
Glenwood, WV
- Average snowfall in December: 3.27"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Glenwood, WV
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glenwood, WV
- Average daylight in December: 9h and 30min
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 December: 4h and 12min
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 42min).
Average sunshine days in December
Glenwood, WV
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (8.6 days).
Average UV index in December
Glenwood, WV
- Average UV index in December: 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 December
Glenwood, WV
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Glenwood, WV
- Average visibility in December: 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).
