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
December indicates a shift in the average high-temperature, from November's cool 52.9°F (11.6°C) to a frosty 43.3°F (6.3°C). Throughout December, an average low-temperature of 31.8°F (-0.1°C) is experienced.Humidity
In Grimms Landing, the average relative humidity in December is 81%.Rainfall
In December, the rain falls for 13.6 days. Throughout December, 3.43" (87mm) of precipitation is accumulated. In Grimms Landing, 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 Grimms Landing, in December, snow falls for 8.6 days, with typically accumulated 3.27" (83mm) of snow. Throughout the year, in Grimms Landing, there are 41.5 snowfall days, and 17.05" (433mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:27 am and sunset at 5:06 pm. On the last day of December, sunrise is at 7:45 am and sunset at 5:16 pm EST.
Sunshine
In Grimms Landing, West Virginia, the average sunshine in December is 4.2h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Grimms Landing, 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
Grimms Landing, 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
Grimms Landing, 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
Grimms Landing, 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
Grimms Landing, 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
Grimms Landing, 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
Grimms Landing, 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
Grimms Landing, 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
Grimms Landing, WV
- Average daylight in December: 9h and 3min
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 1min
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
Grimms Landing, 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
Grimms Landing, 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
Grimms Landing, 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
Grimms Landing, 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).
Grimms Landing, West Virginia, USA
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