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
In December, the average high-temperature marginally decreases from a refreshing 56.7°F (13.7°C) in November to a frosty 49.1°F (9.5°C). In Horsepen Hills, December nights cool down to an average of 34.9°F (1.6°C).Humidity
The most humid month is December, with an average relative humidity of 78%.Rainfall
In Horsepen Hills, during December, the rain falls for 10.1 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Horsepen Hills, during the entire year, the rain falls for 151.1 days and collects up to 26.22" (666mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 1.5 days. Throughout December, 1.5" (38mm) of snow is accumulated. Throughout the year, there are 10.5 snowfall days, and 6.42" (163mm) of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of December in Horsepen Hills, sunrise is at 7:08 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:02 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.2h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Horsepen Hills have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Horsepen Hills, VA
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in December: 34.9°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in December
Horsepen Hills, VA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Horsepen Hills, VA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Horsepen Hills, VA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (68%).
Average rainfall in December
Horsepen Hills, VA
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Horsepen Hills, VA
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Horsepen Hills, VA
- Average snowfall in December: 1.5"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Horsepen Hills, VA
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (3.5 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
Horsepen Hills, 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 36min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Horsepen Hills, VA
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in December
Horsepen Hills, VA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Horsepen Hills, VA
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Horsepen Hills, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Horsepen Hills, Virginia, USA
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