December weather forecastLanexa, VA
December
Weather in December
December, the first month of the winter in Lanexa, is still a cool month, with an average temperature fluctuating between 36.1°F (2.3°C) and 50.2°F (10.1°C).Temperature
In December, the average high-temperature marginally decreases from a mild 57.6°F (14.2°C) in November to a cool 50.2°F (10.1°C). In Lanexa, the average low-temperature during the month of December is a wintry 36.1°F (2.3°C).Humidity
The most humid month is December, with an average relative humidity of 79%.Rainfall
In December, the rain falls for 8.5 days. Throughout December, 0.91" (23mm) of precipitation is accumulated. In Lanexa, during the entire year, the rain falls for 130.3 days and collects up to 15.91" (404mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Lanexa, during December, snow falls for 0.7 days and regularly aggregates up to 0.12" (3mm) of snow. Throughout the year, in Lanexa, there are 5.9 snowfall days, and 1.38" (35mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:59 pm EST.
Sunshine
The average sunshine in December is 5.4h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lanexa, VA
- Average high temperature in December: 50.2°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in December: 36.1°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in December
Lanexa, 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
Lanexa, VA
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Lanexa, VA
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is July (73%).
Average rainfall in December
Lanexa, VA
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is September (0.87").
Average rainfall days in December
Lanexa, VA
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is November (6.8 days).
Average snowfall in December
Lanexa, VA
- Average snowfall in December: 0.12"
The month with the highest snowfall is March (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Lanexa, VA
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Lanexa, VA
- Average daylight in December: 9h and 36min
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 24min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Lanexa, VA
- Average sunshine days in December: 21.4 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in December
Lanexa, 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
Lanexa, VA
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Lanexa, 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).





