Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
During the shift to December, a minor reduction in average high-temperature is observed, shifting from a cool 50.4°F (10.2°C) in November to a cold 42.4°F (5.8°C). During the month of December, the temperature in Glen Morgan falls to an average of 30°F (-1.1°C).Humidity
In Glen Morgan, the average relative humidity in December is 82%.Rainfall
In Glen Morgan, in December, during 13.3 rainfall days, 3.62" (92mm) of precipitation is typically accumulated. Throughout the year, there are 189.8 rainfall days, and 36.5" (927mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 12.6 days. Throughout December, 7.48" (190mm) of snow is accumulated. In Glen Morgan, during the entire year, snow falls for 64.5 days and aggregates up to 40.55" (1030mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Glen Morgan.On the first day of December, sunrise is at 7:21 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:16 pm EST.
Sunshine
In December, the average sunshine in Glen Morgan is 4.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold does it get in Glen Morgan in December?
What is the average humidity in December in Glen Morgan?
How much does it rain in Glen Morgan in December?
How many days does it snow in December in Glen Morgan?
What is the month with the shortest days in Glen Morgan?
How many hours of daylight does Glen Morgan have in December?
When is the sunrise / sunset in December in Glen Morgan?
How many hours of sunshine does Glen Morgan have in December?
What is the month with the lowest UV index in Glen Morgan?
How high is the UV index in December in Glen Morgan?
Average temperature in December
Glen Morgan, WV
- Average high temperature in December: 42.4°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Glen Morgan, 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 (29.98"Hg).
Average wind speed in December
Glen Morgan, WV
- Average wind speed in December: 6.9mph
The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Glen Morgan, WV
- Average humidity in December: 82%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).
Average rainfall in December
Glen Morgan, WV
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Glen Morgan, WV
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is November (11.9 days).
Average snowfall in December
Glen Morgan, WV
- Average snowfall in December: 7.48"
The month with the highest snowfall is February (8.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Glen Morgan, WV
- Average snowfall days in December: 12.6 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glen Morgan, WV
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Glen Morgan, WV
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is November (14.4 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in December
Glen Morgan, WV
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Glen Morgan, WV
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Glen Morgan, WV
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).
Glen Morgan, West Virginia, USA
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