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 advent of December brings a slight shift in average high-temperature, moving from a chilly 48°F (8.9°C) in November to a wintry 39.4°F (4.1°C). During December, Etam observes a consistent average nighttime temperature of 27.7°F (-2.4°C).Humidity
In December, the average relative humidity is 85%.Rainfall
In Etam, in December, during 13.4 rainfall days, 3.62" (92mm) of precipitation is typically accumulated. In Etam, West Virginia, during the entire year, the rain falls for 191.6 days and collects up to 37.99" (965mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Etam, during December, snow falls for 14.6 days and regularly aggregates up to 8.74" (222mm) of snow. In Etam, during the entire year, snow falls for 71.1 days and aggregates up to 43.5" (1105mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:20 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:05 pm EST.
Sunshine
The average sunshine in December is 3.6h.UV index
The months with the lowest UV index are January through March, October through 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 ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December in Etam?
How much 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 Etam have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Etam, WV
- Average high temperature in December: 39.4°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Etam, 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
Etam, 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 (4.5mph).
Average humidity in December
Etam, 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, August and November (79%).
Average rainfall in December
Etam, WV
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Etam, WV
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is May (21.6 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in December
Etam, WV
- Average snowfall in December: 8.74"
The month with the highest snowfall is February (9.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Etam, WV
- Average snowfall days in December: 14.6 days
The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Etam, 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: 3h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Etam, WV
- Average sunshine days in December: 8.4 days
The month with the most sunshine days is October (12.1 days).
The month with the least sunshine days is January (6 days).
Average UV index in December
Etam, WV
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Etam, WV
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Etam, WV
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, March, September and December (4mi).
Etam, West Virginia, USA
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