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
A mild shift in the average high-temperature occurs in December, reducing from a chilly 46.9°F (8.3°C) in November to a wintry 38.3°F (3.5°C). Mount Storm, in December, experiences an average temperature of 26.1°F (-3.3°C) at night.Humidity
The average relative humidity in December is 84%.Rainfall
In Mount Storm, during December, the rain falls for 13.8 days and regularly aggregates up to 3.58" (91mm) of precipitation. In Mount Storm, during the entire year, the rain falls for 192.7 days and collects up to 37.13" (943mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Mount Storm, West Virginia, in December, snow falls for 15.5 days, with typically accumulated 8.98" (228mm) of snow. Throughout the year, in Mount Storm, there are 81 snowfall days, and 52.36" (1330mm) of snow is accumulated.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 7:18 am and sunset at 4:54 pm. On the last day of December, in Mount Storm, sunrise is at 7:36 am and sunset at 5:04 pm EST.
Sunshine
In December, the average sunshine is 4.1h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 1 during December translates into the following directions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Mount Storm in December?
What is the average humidity in December in Mount Storm?
How much does it rain in Mount Storm in December?
How many days does it snow in December in Mount Storm?
What is the month with the shortest days in Mount Storm?
How many hours of daylight does Mount Storm have in December?
When is the sunrise / sunset in December in Mount Storm?
How long on average sun shines in December in Mount Storm?
When is the lowest UV index in Mount Storm?
How high is the UV index in December in Mount Storm?
Average temperature in December
Mount Storm, WV
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in December
Mount Storm, WV
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Mount Storm, WV
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Mount Storm, WV
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in December
Mount Storm, WV
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Mount Storm, WV
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is May (22.9 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in December
Mount Storm, WV
- Average snowfall in December: 8.98"
The month with the highest snowfall is January (11.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mount Storm, WV
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mount Storm, WV
- Average daylight in December: 9h and 3min
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: 4h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Mount Storm, WV
- Average sunshine days in December: 8.3 days
The month with the most sunshine days is October (12.5 days).
The month with the least sunshine days is May (6.1 days).
Average UV index in December
Mount Storm, WV
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Mount Storm, WV
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Mount Storm, WV
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, March, September and December (4mi).
Mount Storm, West Virginia, USA
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