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
With December's onset, the weather shows a temperature decrease, transitioning from a fresh 52°F (11.1°C) in November to a frosty 42.8°F (6°C). During the December nights, an average temperature of 30.4°F (-0.9°C) is observed.Humidity
The months with the highest humidity are May, October and December, with an average relative humidity of 78%.Rainfall
In Swan Pond, during December, the rain falls for 10.3 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Swan Pond, during the entire year, the rain falls for 169.2 days and collects up to 32.6" (828mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Swan Pond, in December, during 4.3 snowfall days, 2.8" (71mm) of snow is typically accumulated. Throughout the year, there are 22.7 snowfall days, and 14.21" (361mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:58 pm EST.
Sunshine
In December, the average sunshine in Swan Pond is 5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Swan Pond. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Swan Pond, WV
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Swan Pond, 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
Swan Pond, WV
- Average wind speed in December: 6.6mph
The windiest months (with the highest average wind speed) are January, February, March and April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Swan Pond, WV
- Average humidity in December: 78%
The months with the highest relative humidity are May, October and December (78%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in December
Swan Pond, WV
- Average rainfall in December: 2.48"
The wettest months (with the highest rainfall) are May and July (3.54").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in December
Swan Pond, WV
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Swan Pond, WV
- Average snowfall in December: 2.8"
The month with the highest snowfall is January (3.86").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Swan Pond, WV
- Average snowfall days in December: 4.3 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Swan Pond, 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: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Swan Pond, WV
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in December
Swan Pond, WV
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Swan Pond, WV
- Average cloud cover in December: 48
The months with the most cloud cover are March and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Swan Pond, WV
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).
Swan Pond, West Virginia, USA
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