December weather forecastAsheville, NC

December
Weather in December
December in Asheville sees the onset of winter in full force, with temperatures dropping further. With the occurrence of snow being more prominent in December, the city witnesses a snowy transformation. The trees get a dusting of snow, completing the city's transformation into a winter wonderland. Although Asheville has shorter daylight hours in December, the amount of sunshine per day remains consistent when compared with November. As Christmas festivities take over Asheville, the winters and the holidays merge together, capping the year with warmth, cheer, and a good dose of festive spirit.Temperature
In December, the meteorological conditions change slightly, with the average high-temperature moving from a moderate 55.6°F (13.1°C) in November to a frosty 48.4°F (9.1°C). An average low-temperature of 33.8°F (1°C) marks the nights in Asheville throughout December.Humidity
The average relative humidity in December is 77%.Rainfall
December is the month with the most rainfall. Rain falls for 10 days and accumulates 3.54" (90mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 2.1 days and accumulates 4.21" (107mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Asheville, North Carolina.On the first day of December in Asheville, North Carolina, sunrise is at 7:21 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:27 pm EST.
Sunshine
The month with the least sunshine in Asheville is December, with an average of 5.5h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Asheville. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Asheville, NC
- Average high temperature in December: 48.4°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in December: 33.8°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in December
Asheville, NC
- 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
Asheville, NC
- Average wind speed in December: 5.8mph
The windiest months (with the highest average wind speed) are January and April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in December
Asheville, NC
- Average humidity in December: 77%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
Asheville, NC
- Average rainfall in December: 3.54"
The wettest month (with the highest rainfall) is December (3.54").
The driest months (with the least rainfall) are June and September (1.73").
Average rainfall days in December
Asheville, NC
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Asheville, NC
- Average snowfall in December: 4.21"
The month with the highest snowfall is December (4.21").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Asheville, NC
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is February (4.1 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
Asheville, NC
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Asheville, NC
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in December
Asheville, NC
- 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
Asheville, NC
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Asheville, NC
- Average visibility in December: 5mi
The months with the highest visibility are February, June, July and November (6mi).
The months with the lowest visibility are January, March, April, May, August, September, October and December (5mi).





