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 the onset of December, Petersburg's average high-temperature slightly adjusts, moderately receding from November's fresh 50.5°F (10.3°C) to a wintry 41.7°F (5.4°C). During December in Petersburg, the average low-temperature is recorded at a freezing cold 28°F (-2.2°C).Humidity
The months with the highest humidity are February, September, October and December, with an average relative humidity of 79%.Rainfall
In Petersburg, West Virginia, during December, the rain falls for 14.2 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, in Petersburg, there are 176.4 rainfall days, and 25.24" (641mm) of precipitation is accumulated.Snowfall
Months with snowfall in Petersburg, West Virginia, are January through May, October through December. In Petersburg, in December, snow falls for 6.8 days, with typically accumulated 2.64" (67mm) of snow. Throughout the year, there are 37.9 snowfall days, and 15.91" (404mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:16 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:04 pm EST.
Sunshine
The average sunshine in December in Petersburg is 5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Petersburg. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
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. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Petersburg?
What are the most humid months in Petersburg?
What is the average humidity in December in Petersburg?
How much does it rain in Petersburg in December?
How many days does it snow in December in Petersburg?
What is the month with the shortest days in Petersburg?
How many hours of daylight does Petersburg have in December?
When are sunrise and sunset in December in Petersburg?
How long on average sun shines in December in Petersburg?
What are the months with the lowest UV index in Petersburg?
What is the UV index reading in December in Petersburg?
Average temperature in December
Petersburg, WV
- Average high temperature in December: 41.7°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 (36.3°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Petersburg, 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
Petersburg, WV
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Petersburg, WV
- Average humidity in December: 79%
The months with the highest relative humidity are February, September, October and December (79%).
The months with the lowest relative humidity are April, June and July (75%).
Average rainfall in December
Petersburg, WV
- Average rainfall in December: 2.28"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in December
Petersburg, WV
- Average rainfall days in December: 14.2 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in December
Petersburg, WV
- Average snowfall in December: 2.64"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Petersburg, WV
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Petersburg, WV
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 5h and 0min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Petersburg, WV
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in December
Petersburg, 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, March, November and December (UV index 2).
Average cloud cover in December
Petersburg, WV
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Petersburg, WV
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is September (4mi).
Petersburg, West Virginia, USA
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