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
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a refreshing 56.7°F (13.7°C) in November to a frosty 49.1°F (9.5°C). During December, the average low-temperature is a wintry 34.9°F (1.6°C).Humidity
The most humid month in Chelsea is December, with an average relative humidity of 78%.Rainfall
In Chelsea, Virginia, in December, during 10.1 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Chelsea, Virginia, during the entire year, the rain falls for 151.1 days and collects up to 26.22" (666mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Chelsea, during December, snow falls for 1.5 days and regularly aggregates up to 1.5" (38mm) of snow. In Chelsea, during the entire year, snow falls for 10.5 days and aggregates up to 6.42" (163mm) of snow.Daylight
The month with the shortest days in Chelsea is December, with an average of 9h and 36min of daylight.On the first day of December, 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 5:03 pm EST.
Sunshine
With an average of 5.2h of sunshine, December has the least sunshine of the year in Chelsea, Virginia.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Chelsea. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 2 in December transforms into this advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What is the usual temperature for Chelsea in December?
What is the most humid month in Chelsea?
What is the average humidity in December in Chelsea?
How many days does it rain in December in Chelsea?
How much does it snow in Chelsea in December?
What is the month with the shortest days in Chelsea?
What is the average length of the day in December in Chelsea?
What time are sunrise and sunset in December in Chelsea?
What is the month with the least sunshine in Chelsea?
How long on average sun shines in December in Chelsea?
What are the months with the lowest UV index in Chelsea?
What is the UV index reading in December in Chelsea?
Average temperature in December
Chelsea, 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
Chelsea, 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
Chelsea, 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
Chelsea, 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
Chelsea, 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
Chelsea, 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
Chelsea, 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
Chelsea, 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
Chelsea, 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
Chelsea, 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
Chelsea, 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
Chelsea, 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
Chelsea, 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).
Chelsea, Virginia, USA
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