December weather forecastOrma, WV
December
Weather in December
December, the first month of the winter in Orma, is also a frosty month, with an average temperature varying between 31.6°F (-0.2°C) and 43.2°F (6.2°C).Temperature
December implies a gentle temperature shift, with average high-temperatures reducing from November's fresh 52.3°F (11.3°C) to a frosty 43.2°F (6.2°C). Orma in December experiences a low-temperature average of 31.6°F (-0.2°C).Humidity
In Orma, West Virginia, the average relative humidity in December is 81%.Rainfall
In Orma, in December, during 13.6 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, there are 186.1 rainfall days, and 36.3" (922mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Orma, in December, during 10.1 snowfall days, 3.86" (98mm) of snow is typically accumulated. Throughout the year, there are 46.8 snowfall days, and 20.04" (509mm) of snow is accumulated.Daylight
The month with the shortest days in Orma is December, with an average of 9h and 30min of daylight.On the first day of December in Orma, sunrise is at 7:24 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:13 pm EST.
Sunshine
In Orma, the average sunshine in December is 4h.UV index
The months with the lowest UV index 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:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Orma, WV
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 31.6°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Orma, 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
Orma, WV
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Orma, WV
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June and August (76%).
Average rainfall in December
Orma, WV
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Orma, WV
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in December
Orma, WV
- Average snowfall in December: 3.86"
The month with the highest snowfall is January (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Orma, WV
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Orma, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Orma, WV
- Average sunshine days in December: 10.8 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (7.9 days).
Average UV index in December
Orma, 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
Orma, WV
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Orma, 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).





