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
December shows a mild decline in the average high-temperature, falling from November's fresh 52.3°F (11.3°C) to a frosty 43.2°F (6.2°C). Throughout December, Countsville encounters an average temperature drop to a subzero cold 31.6°F (-0.2°C).Humidity
The average relative humidity in December is 81%.Rainfall
In Countsville, during December, the rain falls for 13.6 days and regularly aggregates up to 3.27" (83mm) of precipitation. In Countsville, during the entire year, the rain falls for 186.1 days and collects up to 36.3" (922mm) of precipitation.Snowfall
Months with snowfall in Countsville, West Virginia, are January through May, October through December. In Countsville, in December, snow falls for 10.1 days, with typically accumulated 3.86" (98mm) of snow. In Countsville, during the entire year, snow falls for 46.8 days and aggregates up to 20.04" (509mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Countsville.On the first day of December, sunrise is at 7:25 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:14 pm EST.
Sunshine
In Countsville, West Virginia, the average sunshine in December is 4h.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 value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Countsville in December?
What is the average humidity in December in Countsville?
How much does it rain in Countsville in December?
How much does it snow in Countsville in December?
What is the month with the shortest days in Countsville?
How many hours of daylight does Countsville have in December?
When is the sunrise / sunset in December in Countsville?
How many hours of sunshine does Countsville have in December?
What is the month with the lowest UV index in Countsville?
What is the UV index intensity in December in Countsville?
Average temperature in December
Countsville, WV
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 31.6°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Countsville, WV
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Countsville, WV
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Countsville, WV
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June and August (76%).
Average rainfall in December
Countsville, WV
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Countsville, WV
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in December
Countsville, WV
- Average snowfall in December: 3.86"
The month with the highest snowfall is January (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Countsville, WV
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Countsville, 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: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Countsville, WV
- Average sunshine days in December: 10.8 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (7.9 days).
Average UV index in December
Countsville, 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
Countsville, WV
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Countsville, 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).
Countsville, West Virginia, USA
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