December weather forecastMallory, WV
December
Weather in December
December, the first month of the winter in Mallory, is also a frosty month, with an average temperature varying between 45°F (7.2°C) and 32.7°F (0.4°C).Temperature
Mallory's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's cool 53.2°F (11.8°C) to a chilly 45°F (7.2°C). In December, Mallory encounters an average low-temperature of 32.7°F (0.4°C) during the night.Humidity
In December, the average relative humidity in Mallory is 81%.Rainfall
In Mallory, in December, it is raining for 13.7 days, with typically 3.23" (82mm) of accumulated precipitation. In Mallory, during the entire year, the rain falls for 181.3 days and collects up to 34.37" (873mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Mallory, during December, snow falls for 7.6 days and regularly aggregates up to 3.58" (91mm) of snow. In Mallory, during the entire year, snow falls for 38.9 days and aggregates up to 17.48" (444mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:24 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:18 pm EST.
Sunshine
The average sunshine in December in Mallory, West Virginia, is 4.3h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Mallory, West Virginia. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mallory, WV
- Average high temperature in December: 45°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Mallory, 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
Mallory, WV
- Average wind speed in December: 6mph
The windiest months (with the highest average wind speed) are January, February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Mallory, WV
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June, July, August and November (76%).
Average rainfall in December
Mallory, WV
- Average rainfall in December: 3.23"
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
Mallory, WV
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in December
Mallory, WV
- Average snowfall in December: 3.58"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mallory, WV
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mallory, WV
- Average daylight in December: 9h and 36min
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 18min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Mallory, WV
- Average sunshine days in December: 11.5 days
The months with the most sunshine days are October and November (17 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in December
Mallory, 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
Mallory, WV
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Mallory, 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).





