December weather forecastHarrisonburg, VA
December
Weather in December
December marks the return of the winter season in full throttle in Harrisonburg, Virginia. Average temperatures dive down significantly with lows of 28.9°F (-1.7°C), hinting at the forthcoming snowfall in the city's future. While the richness of the year's colors begins to fade, the city takes on a whole new charm with holiday lights. Against a backdrop of brisk weather, December captures both the chill of winter and the warmth of the holiday season, making Harrisonburg a special place to end the year.Temperature
The commencement of December indicates a gentle shift in the average high-temperature, receding from November's cool 52.2°F (11.2°C) to a frosty 43.7°F (6.5°C). An average low-temperature of 28.9°F (-1.7°C) is expected in Harrisonburg during December.Humidity
In December, the average relative humidity is 77%.Rainfall
In Harrisonburg, in December, it is raining for 10.4 days, with typically 2.44" (62mm) of accumulated precipitation. In Harrisonburg, during the entire year, the rain falls for 167.3 days and collects up to 30.35" (771mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Harrisonburg, in December, during 3.5 snowfall days, 2.52" (64mm) of snow is typically accumulated. In Harrisonburg, during the entire year, snow falls for 23.3 days and aggregates up to 16.89" (429mm) of snow.Daylight
December has the shortest days of the year in Harrisonburg, with an average of 9h and 30min of daylight.On the first day of December in Harrisonburg, sunrise is at 7:14 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:04 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.3h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Harrisonburg, Virginia. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Harrisonburg, 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 (38.8°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Harrisonburg, VA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Harrisonburg, VA
- Average wind speed in December: 5.7mph
The windiest months (with the highest average wind speed) are February and April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Harrisonburg, VA
- Average humidity in December: 77%
The months with the highest relative humidity are May, September and October (78%).
The months with the lowest relative humidity are January and July (74%).
Average rainfall in December
Harrisonburg, VA
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in December
Harrisonburg, VA
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is November (9 days).
Average snowfall in December
Harrisonburg, VA
- Average snowfall in December: 2.52"
The month with the highest snowfall is March (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Harrisonburg, VA
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Harrisonburg, VA
- 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: 5h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Harrisonburg, VA
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in December
Harrisonburg, VA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Harrisonburg, VA
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are June and July (Cloud cover 32).
Average visibility in December
Harrisonburg, VA
- Average visibility in December: 5mi
The months with the highest visibility are February, April, June, July and November (6mi).
The months with the lowest visibility are January, March, May, August, September, October and December (5mi).
