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 brings a slight decrease in temperature, down from a refreshing 58.1°F (14.5°C) in November to a cool 50.9°F (10.5°C). During December, Harris Crossroads observes a consistent average nighttime temperature of 36.7°F (2.6°C).Humidity
In Harris Crossroads, the average relative humidity in December is 78%.Rainfall
In Harris Crossroads, in December, during 11.6 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, in Harris Crossroads, there are 167.6 rainfall days, and 32.09" (815mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Harris Crossroads, during December, snow falls for 0.8 days and regularly aggregates up to 0.51" (13mm) of snow. In Harris Crossroads, during the entire year, snow falls for 6.5 days and aggregates up to 4.06" (103mm) of snow.Daylight
The month with the shortest days in Harris Crossroads is December, with an average of 9h and 42min of daylight.On the first day of December in Harris Crossroads, Virginia, sunrise is at 7:05 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:05 pm EST.
Sunshine
January, February and December, with an average of 5.5h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Harris Crossroads in December?
What is the average humidity in December in Harris Crossroads?
How many days does it rain in December in Harris Crossroads?
How much does it snow in Harris Crossroads in December?
What is the month with the shortest days in Harris Crossroads?
How many hours of daylight does Harris Crossroads have in December?
When are sunrise and sunset in December in Harris Crossroads?
What are the months with the least sunshine in Harris Crossroads?
How long on average sun shines in December in Harris Crossroads?
What is the month with the lowest UV index in Harris Crossroads?
What is the UV index reading in December in Harris Crossroads?
Average temperature in December
Harris Crossroads, VA
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.2°F).
- Average low temperature in December: 36.7°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in December
Harris Crossroads, VA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Harris Crossroads, VA
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Harris Crossroads, VA
- Average humidity in December: 78%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, February, April, July and November (74%).
Average rainfall in December
Harris Crossroads, VA
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is August (3.35").
The driest month (with the least rainfall) is October (1.89").
Average rainfall days in December
Harris Crossroads, VA
- Average rainfall days in December: 11.6 days
The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in December
Harris Crossroads, VA
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Harris Crossroads, VA
- Average snowfall days in December: 0.8 days
The months with the highest number of snowfall days are January and February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Harris Crossroads, VA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Harris Crossroads, VA
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in December
Harris Crossroads, VA
- 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 and December (UV index 2).
Average cloud cover in December
Harris Crossroads, VA
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in December
Harris Crossroads, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Harris Crossroads, Virginia, USA
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