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 sees a slight reduction in average high-temperature, with a shift from a fresh 51.1°F (10.6°C) in November to an icy 42.3°F (5.7°C). In Clem, an average temperature of 30.6°F (-0.8°C) is noted during December nights.Humidity
In Clem, the average relative humidity in December is 81%.Rainfall
In December, the rain falls for 14.1 days. Throughout December, 3.5" (89mm) of precipitation is accumulated. Throughout the year, in Clem, there are 195.1 rainfall days, and 38.98" (990mm) of precipitation is accumulated.Snowfall
Months with snowfall in Clem, West Virginia, are January through May, October through December. In Clem, during December, snow falls for 12 days and regularly aggregates up to 6.46" (164mm) of snow. In Clem, West Virginia, during the entire year, snow falls for 58.6 days and aggregates up to 34.25" (870mm) of snow.Daylight
December has the shortest days of the year in Clem, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:12 pm EST.
Sunshine
In Clem, the average sunshine in December is 4.1h.UV index
The months with the lowest UV index in Clem, West Virginia, are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Clem in December?
What is the average humidity in December in Clem?
How much does it rain in Clem in December?
How many days does it snow in December in Clem?
What is the month with the shortest days in Clem?
How many hours of daylight does Clem have in December?
What time are sunrise and sunset in December in Clem?
How many hours of sunshine does Clem have in December?
What are the months with the lowest UV index in Clem?
What is the UV index reading in December in Clem?
Average temperature in December
Clem, WV
- Average high temperature in December: 42.3°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 (36.5°F).
- Average low temperature in December: 30.6°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Clem, WV
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Clem, WV
- Average wind speed in December: 6.5mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Clem, WV
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, August and November (77%).
Average rainfall in December
Clem, WV
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Clem, WV
- Average rainfall days in December: 14.1 days
The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is February (12.9 days).
Average snowfall in December
Clem, WV
- Average snowfall in December: 6.46"
The month with the highest snowfall is January (8.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Clem, WV
- Average snowfall days in December: 12 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Clem, WV
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Clem, WV
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is October (14.3 days).
The months with the least sunshine days are January and February (7.3 days).
Average UV index in December
Clem, WV
- Average UV index in December: 2
The months with the highest UV index are 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
Clem, 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 33).
Average visibility in December
Clem, WV
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).
Clem, West Virginia, USA
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