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
A subtle decrease in the average high-temperature marks December, falling from November's cool 52°F (11.1°C) to a frosty 43°F (6.1°C). In Copen, December is marked by an average low-temperature of 31.1°F (-0.5°C).Humidity
The average relative humidity in December in Copen is 82%.Rainfall
In Copen, during December, the rain falls for 13.7 days and regularly aggregates up to 3.27" (83mm) of precipitation. In Copen, during the entire year, the rain falls for 189.9 days and collects up to 38.19" (970mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, in Copen, West Virginia, it is snowing for 10.5 days. Throughout December, 3.98" (101mm) of snow is accumulated. Throughout the year, there are 51.3 snowfall days, and 21.93" (557mm) of snow is accumulated.Daylight
The month with the shortest days in Copen is December, with an average of 9h and 30min of daylight.On the first day of December in Copen, sunrise is at 7:22 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:11 pm EST.
Sunshine
In Copen, the average sunshine in December is 3.9h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
Is it cold in Copen during December?
What is the average humidity in December in Copen?
How much does it rain in Copen in December?
How much does it snow in Copen in December?
What is the month with the shortest days in Copen?
What is the average length of the day in December in Copen?
When is the sunrise / sunset in December in Copen?
How many hours of sunshine does Copen have in December?
When is the lowest UV index in Copen?
What is the UV index reading in December in Copen?
Average temperature in December
Copen, WV
- Average high temperature in December: 43°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Copen, WV
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Copen, WV
- Average wind speed in December: 6mph
The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Copen, WV
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).
Average rainfall in December
Copen, WV
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Copen, WV
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is November (11.7 days).
Average snowfall in December
Copen, WV
- Average snowfall in December: 3.98"
The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Copen, WV
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Copen, WV
- Average daylight in December: 9h and 3min
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: 3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Copen, WV
- Average sunshine days in December: 10 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is January (7.9 days).
Average UV index in December
Copen, WV
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Copen, WV
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Copen, WV
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).
Copen, West Virginia, USA
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