December weather forecastColchester, VA
December
Weather in December
The first month of the winter, December, is still a chilly month in Colchester, Virginia, with temperature in the range of an average low of 33.6°F (0.9°C) and an average high of 46.6°F (8.1°C).Temperature
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's cool 54.9°F (12.7°C) to a chilly 46.6°F (8.1°C). Colchester registers a consistent average low-temperature of 33.6°F (0.9°C) during December.Humidity
The months with the highest humidity are May, October and December, with an average relative humidity of 77%.Rainfall
In Colchester, in December, during 10.7 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, there are 164.3 rainfall days, and 32.32" (821mm) of precipitation is accumulated.Snowfall
Months with snowfall in Colchester are January through April and December. December is the first month it typically snows. Throughout December, in the average 2.1 snowfall days, it receives 1.42" (36mm) of snow. In Colchester, during the entire year, snow falls for 14.6 days and aggregates up to 7.8" (198mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Colchester, Virginia.On the first day of December, sunrise is at 7:08 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:57 pm EST.
Sunshine
February and December, with an average of 5.2h of sunshine, are months with the least sunshine.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat. 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
Average temperature in December
Colchester, VA
- Average high temperature in December: 46.6°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in December: 33.6°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in December
Colchester, VA
- Average pressure in December: 30.11"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
Colchester, VA
- Average wind speed in December: 6.2mph
The windiest months (with the highest average wind speed) are March and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Colchester, VA
- Average humidity in December: 77%
The months with the highest relative humidity are May, October and December (77%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall in December
Colchester, VA
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in December
Colchester, VA
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Colchester, VA
- Average snowfall in December: 1.42"
The month with the highest snowfall is January (2.44").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in December
Colchester, VA
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is January (4.8 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
Colchester, 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 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).
Average sunshine days in December
Colchester, VA
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Colchester, 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, November and December (UV index 2).
Average cloud cover in December
Colchester, VA
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Colchester, 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).
