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
With December's onset, the weather reveals a slight temperature decrease, transitioning from a fresh 53.4°F (11.9°C) in November to a frosty 45.3°F (7.4°C). December is noted for a mean low-temperature of 32.4°F (0.2°C).Humidity
In Appalachia, the average relative humidity in December is 80%.Rainfall
In Appalachia, during December, the rain falls for 14.3 days and regularly aggregates up to 3.62" (92mm) of precipitation. In Appalachia, during the entire year, the rain falls for 200.2 days and collects up to 40.87" (1038mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Appalachia, in December, snow falls for 8.1 days, with typically accumulated 3.98" (101mm) of snow. In Appalachia, Virginia, during the entire year, snow falls for 38.8 days and aggregates up to 18.86" (479mm) of snow.Daylight
December has the shortest days of the year in Appalachia, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:26 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:24 pm EST.
Sunshine
In Appalachia, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index in Appalachia are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 in December translates into these instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. To avoid the Sun's strongest rays, limit exposure around the mid-day period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What are December temperatures in Appalachia?
What is the average humidity in December in Appalachia?
How much does it rain in Appalachia in December?
How much does it snow in Appalachia in December?
What is the month with the shortest days in Appalachia?
What is the average length of the day in December in Appalachia?
What time are sunrise and sunset in December in Appalachia?
How many hours of sunshine does Appalachia have in December?
What are the months with the lowest UV index in Appalachia?
What is the UV index intensity in December in Appalachia?
Average temperature in December
Appalachia, VA
- Average high temperature in December: 45.3°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in December
Appalachia, VA
- 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 (29.99"Hg).
Average wind speed in December
Appalachia, VA
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Appalachia, VA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Appalachia, VA
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in December
Appalachia, VA
- Average rainfall days in December: 14.3 days
The months with the highest number of rainy days are May and July (20.8 days).
The month with the least rainy days is November (12.5 days).
Average snowfall in December
Appalachia, VA
- Average snowfall in December: 3.98"
The month with the highest snowfall is January (5.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Appalachia, VA
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Appalachia, VA
- Average daylight in December: 9h and 4min
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 42min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are June and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Appalachia, VA
- Average sunshine days in December: 11.3 days
The month with the most sunshine days is November (14.9 days).
The months with the least sunshine days are May and July (8.3 days).
Average UV index in December
Appalachia, VA
- 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
Appalachia, VA
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Appalachia, VA
- 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).
Appalachia, Virginia, USA
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