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
In December, the meteorological conditions change slightly, with the average high-temperature moving from a fresh 50.2°F (10.1°C) in November to a cold 41.9°F (5.5°C). The average temperature during December nights is registered at a freezing cold 30°F (-1.1°C).Humidity
In December, the average relative humidity in Summersville is 82%.Rainfall
In Summersville, West Virginia, during December, the rain falls for 14.5 days and regularly aggregates up to 3.58" (91mm) of precipitation. Throughout the year, there are 190.3 rainfall days, and 36.93" (938mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Summersville. In December, in Summersville, it is snowing for 12.2 days. Throughout December, 7.72" (196mm) of snow is accumulated. Throughout the year, there are 60.4 snowfall days, and 38.62" (981mm) of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:21 am and sunset at 5:03 pm. On the last day of December, in Summersville, sunrise is at 7:40 am and sunset at 5:13 pm EST.
Sunshine
The average sunshine in December is 4.3h.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 minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a regular UV index of 2 translates into these guidelines:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
How cold is it in Summersville in December?
What is the average humidity in December in Summersville?
How many days does it rain in December in Summersville?
How many days does it snow in December in Summersville?
What is the month with the shortest days in Summersville?
How many hours of daylight does Summersville have in December?
What time are sunrise and sunset in December in Summersville?
How many hours of sunshine does Summersville have in December?
What are the months with the lowest UV index in Summersville?
What is the UV index intensity in December in Summersville?
Average temperature in December
Summersville, WV
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in December
Summersville, 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 (29.98"Hg).
Average wind speed in December
Summersville, WV
- Average wind speed in December: 6.7mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Summersville, WV
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).
Average rainfall in December
Summersville, WV
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
Summersville, WV
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is May (23.3 days).
The month with the least rainy days is November (12.2 days).
Average snowfall in December
Summersville, WV
- Average snowfall in December: 7.72"
The month with the highest snowfall is January (8.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Summersville, WV
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Summersville, WV
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Summersville, WV
- Average sunshine days in December: 8.6 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (6.1 days).
Average UV index in December
Summersville, WV
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Summersville, WV
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Summersville, 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).
Summersville, West Virginia, USA
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