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 brings a decrease in the average high-temperature, falling from November's fresh 50.2°F (10.1°C) to a wintry 40.6°F (4.8°C). Blacksville encounters a steady low-temperature average of 28.9°F (-1.7°C) throughout the month of December.Humidity
The average relative humidity in December is 83%.Rainfall
In Blacksville, in December, during 12.9 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Blacksville, during the entire year, the rain falls for 183 days and collects up to 30.91" (785mm) of precipitation.Snowfall
Months with snowfall in Blacksville, West Virginia, are January through May, October through December. In Blacksville, in December, during 11.9 snowfall days, 3.98" (101mm) of snow is typically accumulated. In Blacksville, during the entire year, snow falls for 56.4 days and aggregates up to 20.35" (517mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Blacksville.On the first day of the month, sunrise is at 7:23 am and sunset at 4:56 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:06 pm EST.
Sunshine
In December, the average sunshine in Blacksville is 3.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Blacksville. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Blacksville during December?
What is the average humidity in December in Blacksville?
How much does it rain in Blacksville in December?
How much does it snow in Blacksville in December?
What is the month with the shortest days in Blacksville?
How many hours of daylight does Blacksville have in December?
What time are sunrise and sunset in December in Blacksville?
How many hours of sunshine does Blacksville have in December?
What are the months with the lowest UV index in Blacksville?
What is the UV index reading in December in Blacksville?
Average temperature in December
Blacksville, WV
- Average high temperature in December: 40.6°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Blacksville, WV
- 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
Blacksville, WV
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Blacksville, WV
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Blacksville, WV
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in December
Blacksville, WV
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in December
Blacksville, WV
- Average snowfall in December: 3.98"
The month with the highest snowfall is February (5.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Blacksville, WV
- Average snowfall days in December: 11.9 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Blacksville, WV
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h and 4min
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 6min).
Average sunshine days in December
Blacksville, WV
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is February (7.5 days).
Average UV index in December
Blacksville, WV
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Blacksville, WV
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Blacksville, WV
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Blacksville, West Virginia, USA
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