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
Transition into December marks a drop in the average high-temperature, moving from a fresh 50.9°F (10.5°C) in November to a wintry 41.9°F (5.5°C). Throughout the month of December, Prospect Valley expects an average low of 29.8°F (-1.2°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In Prospect Valley, West Virginia, in December, it is raining for 14 days, with typically 3.35" (85mm) of accumulated precipitation. Throughout the year, in Prospect Valley, there are 189.3 rainfall days, and 36.97" (939mm) of precipitation is accumulated.Snowfall
Months with snowfall in Prospect Valley are January through May, October through December. In December, in Prospect Valley, it is snowing for 11.9 days. Throughout December, 5.35" (136mm) of snow is accumulated. In Prospect Valley, during the entire year, snow falls for 57.8 days and aggregates up to 28.9" (734mm) of snow.Daylight
The month with the shortest days in Prospect Valley is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 4:58 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:08 pm EST.
Sunshine
In Prospect Valley, the average sunshine in December is 3.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Prospect Valley in December?
What is the average humidity in December in Prospect Valley?
How much does it rain in Prospect Valley in December?
How much does it snow in Prospect Valley in December?
What is the month with the shortest days in Prospect Valley?
What is the average length of the day in December in Prospect Valley?
When are sunrise and sunset in December in Prospect Valley?
How many hours of sunshine does Prospect Valley have in December?
What are the months with the lowest UV index in Prospect Valley?
What is the UV index reading in December in Prospect Valley?
Average temperature in December
Prospect Valley, WV
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in December
Prospect Valley, WV
- Average pressure in December: 30.12"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
Prospect Valley, WV
- Average wind speed in December: 6.3mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Prospect Valley, WV
- Average humidity in December: 82%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are July, August and November (77%).
Average rainfall in December
Prospect Valley, WV
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in December
Prospect Valley, WV
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is November (11.8 days).
Average snowfall in December
Prospect Valley, WV
- Average snowfall in December: 5.35"
The month with the highest snowfall is January (7.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Prospect Valley, WV
- Average snowfall days in December: 11.9 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Prospect Valley, 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 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 18min).
Average sunshine days in December
Prospect Valley, WV
- Average sunshine days in December: 9.2 days
The month with the most sunshine days is October (13.8 days).
The month with the least sunshine days is January (7.4 days).
Average UV index in December
Prospect Valley, 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
Prospect Valley, WV
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Prospect Valley, WV
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Prospect Valley, West Virginia, USA
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