December weather forecastGlen Wilton, VA
December
Weather in December
December, the first month of the winter in Glen Wilton, is still a chilly month, with an average temperature fluctuating between 29.8°F (-1.2°C) and 43.7°F (6.5°C).Temperature
December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a cool 52.3°F (11.3°C) in November to a frosty 43.7°F (6.5°C). In Glen Wilton, December's nights observe an average temperature dip to a freezing cold 29.8°F (-1.2°C).Humidity
May, September and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In December, the rain falls for 9.3 days. Throughout December, 1.97" (50mm) of precipitation is accumulated. Throughout the year, there are 142.7 rainfall days, and 21.3" (541mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In December, in Glen Wilton, Virginia, it is snowing for 2.6 days. Throughout December, 1.77" (45mm) of snow is accumulated. In Glen Wilton, Virginia, during the entire year, snow falls for 14.9 days and aggregates up to 10.87" (276mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:16 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:10 pm EST.
Sunshine
In Glen Wilton, the average sunshine in December is 5.3h.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 low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Glen Wilton, VA
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in December: 29.8°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 (23.5°F).
Average pressure in December
Glen Wilton, VA
- Average pressure in December: 30.13"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
Glen Wilton, VA
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in December
Glen Wilton, VA
- Average humidity in December: 79%
The months with the highest relative humidity are May, September and December (79%).
The month with the lowest relative humidity is July (75%).
Average rainfall in December
Glen Wilton, VA
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in December
Glen Wilton, VA
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in December
Glen Wilton, VA
- Average snowfall in December: 1.77"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Glen Wilton, VA
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glen Wilton, VA
- 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: 5h and 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Glen Wilton, VA
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in December
Glen Wilton, VA
- Average UV index in December: 2
The months with the highest UV index are June and August (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 Wilton, VA
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are June and July (Cloud cover 33).
Average visibility in December
Glen Wilton, VA
- Average visibility in December: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are May and September (4mi).
