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
The transition into December subtly indicates a reduction in the average high-temperature, down to a wintry 40.1°F (4.5°C) from November's chilly 48.9°F (9.4°C). The average temperature drops to a subzero cold 27.5°F (-2.5°C) during the night in the month of December.Humidity
In Piedmont, West Virginia, the average relative humidity in December is 81%.Rainfall
In Piedmont, during December, the rain falls for 13.8 days and regularly aggregates up to 2.91" (74mm) of precipitation. Throughout the year, in Piedmont, there are 184.1 rainfall days, and 30.75" (781mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Piedmont, in December, snow falls for 9.1 days, with typically accumulated 3.31" (84mm) of snow. In Piedmont, during the entire year, snow falls for 45.5 days and aggregates up to 20.67" (525mm) of snow.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 7:17 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:02 pm EST.
Sunshine
In December, the average sunshine is 4.7h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Piedmont have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Piedmont have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Piedmont, WV
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Piedmont, 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
Piedmont, WV
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Piedmont, WV
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June and July (76%).
Average rainfall in December
Piedmont, WV
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is November (1.89").
Average rainfall days in December
Piedmont, WV
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is November (11.8 days).
Average snowfall in December
Piedmont, WV
- Average snowfall in December: 3.31"
The month with the highest snowfall is February (4.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Piedmont, WV
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Piedmont, 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: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Piedmont, WV
- Average sunshine days in December: 11 days
The month with the most sunshine days is November (15 days).
The month with the least sunshine days is May (8.5 days).
Average UV index in December
Piedmont, 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
Piedmont, WV
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Piedmont, WV
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Piedmont, West Virginia, USA
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