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 ushers in a slight temperature change, with average high-temperatures reducing from November's fresh 50.5°F (10.3°C) to a wintry 41.5°F (5.3°C). An average low-temperature of 29.3°F (-1.5°C) is observed during December nights in Folsom.Humidity
In Folsom, West Virginia, the average relative humidity in December is 82%.Rainfall
In Folsom, during December, the rain falls for 13.1 days and regularly aggregates up to 3.35" (85mm) of precipitation. Throughout the year, in Folsom, there are 188.6 rainfall days, and 39.17" (995mm) of precipitation is accumulated.Snowfall
Months with snowfall in Folsom are January through May, October through December. In Folsom, in December, snow falls for 10.7 days, with typically accumulated 4.29" (109mm) of snow. In Folsom, during the entire year, snow falls for 52.1 days and aggregates up to 24.21" (615mm) of snow.Daylight
December has the shortest days of the year in Folsom, West Virginia, 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 7:42 am and sunset at 5:08 pm EST.
Sunshine
The average sunshine in December in Folsom is 3.5h.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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
How cold does it get in Folsom in December?
What is the average humidity in December in Folsom?
How much does it rain in Folsom in December?
How many days does it snow in December in Folsom?
What is the month with the shortest days in Folsom?
How many hours of daylight does Folsom have in December?
What time are sunrise and sunset in December in Folsom?
How long on average sun shines in December in Folsom?
What is the month with the lowest UV index in Folsom?
What is the UV index intensity in December in Folsom?
Average temperature in December
Folsom, WV
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Folsom, WV
- 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 (29.96"Hg).
Average wind speed in December
Folsom, WV
- Average wind speed in December: 6.3mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Folsom, WV
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in December
Folsom, WV
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in December
Folsom, WV
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in December
Folsom, WV
- Average snowfall in December: 4.29"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Folsom, WV
- Average snowfall days in December: 10.7 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Folsom, 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 3min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Folsom, WV
- Average sunshine days in December: 10.8 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (7.8 days).
Average UV index in December
Folsom, WV
- Average UV index in December: 2
The months with the highest UV index are May 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
Folsom, WV
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Folsom, 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).
Folsom, West Virginia, USA
Weather forecast for your location
2. Allow the app to use your location
