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
The arrival of December in Richmond signals a subtle shift in temperature, down from a moderate 57°F (13.9°C) in November to a frosty 49.1°F (9.5°C). Richmond encounters an average low-temperature of 35.1°F (1.7°C) during December nights.Humidity
The most humid month is December, with an average relative humidity of 78%.Rainfall
In Richmond, in December, it is raining for 10.9 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, in Richmond, there are 154.5 rainfall days, and 30.35" (771mm) of precipitation is accumulated.Snowfall
Months with snowfall in Richmond are January through April, November and December. In December, in Richmond, it is snowing for 1.5 days. Throughout December, 1.65" (42mm) of snow is accumulated. Throughout the year, in Richmond, there are 10.1 snowfall days, and 7.2" (183mm) 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 in Richmond, sunrise is at 7:06 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:01 pm EST.
Sunshine
December has the least sunshine of the year in Richmond, with an average of 5.1h of sunshine.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 low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 2 translates into these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Experience reduced UV exposure by about half when donning a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Richmond?
What is the most humid month in Richmond?
What is the average humidity in December in Richmond?
How many days does it rain in December in Richmond?
How many days does it snow in December in Richmond?
What is the month with the shortest days in Richmond?
How many hours of daylight does Richmond have in December?
When are sunrise and sunset in December in Richmond?
What is the month with the least sunshine in Richmond?
How long on average sun shines in December in Richmond?
What are the months with the lowest UV index in Richmond?
How high is the UV index in December in Richmond?
Average temperature in December
Richmond, VA
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in December: 35.1°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Richmond, 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
Richmond, VA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Richmond, 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
Richmond, VA
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Richmond, VA
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in December
Richmond, VA
- Average snowfall in December: 1.65"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Richmond, VA
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (3.3 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
Richmond, 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 30min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Richmond, VA
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in December
Richmond, 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 and December (UV index 2).
Average cloud cover in December
Richmond, VA
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Richmond, VA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are May and December (5mi).
Richmond, Virginia, USA
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