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's onset introduces a mild reduction in the average high-temperature, from a frosty 48.6°F (9.2°C) in November to an icy 39.6°F (4.2°C). Clifton Mills's nighttime temperature during December is consistently averaged at a subzero cold 27.5°F (-2.5°C).Humidity
In December, the average relative humidity is 85%.Rainfall
In Clifton Mills, in December, during 12.4 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Clifton Mills, West Virginia, during the entire year, the rain falls for 189.4 days and collects up to 32.95" (837mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 8.3 days. Throughout December, 3.46" (88mm) of snow is accumulated. Throughout the year, there are 42 snowfall days, and 17.68" (449mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:20 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:39 am and sunset at 5:04 pm EST.
Sunshine
In December, the average sunshine is 3.6h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. 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. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much 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?
When are sunrise and sunset in December?
How long on average sun shines in December in Clifton Mills?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Clifton Mills, WV
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Clifton Mills, 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
Clifton Mills, WV
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Clifton Mills, WV
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are June, July and August (78%).
Average rainfall in December
Clifton Mills, WV
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in December
Clifton Mills, WV
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in December
Clifton Mills, WV
- Average snowfall in December: 3.46"
The month with the highest snowfall is January (5.39").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Clifton Mills, WV
- Average snowfall days in December: 8.3 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, September and October (0 days).
Average daylight in December /
Average sunshine in December
Clifton Mills, 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 4min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Clifton Mills, WV
- Average sunshine days in December: 13 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8 days).
Average UV index in December
Clifton Mills, WV
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Clifton Mills, WV
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Clifton Mills, WV
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is January (4mi).
Clifton Mills, West Virginia, USA
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