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
Coal City in December experiences a gentle temperature dip, with average high-temperatures reducing from a fresh 50.9°F (10.5°C) in November to an icy 42.4°F (5.8°C). During the month of December, an average low-temperature of 30.2°F (-1°C) is recorded in Coal City.Humidity
The average relative humidity in December is 81%.Rainfall
In Coal City, in December, during 13.2 rainfall days, 3.5" (89mm) of precipitation is typically accumulated. In Coal City, during the entire year, the rain falls for 187.4 days and collects up to 35.39" (899mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Coal City, in December, during 12.9 snowfall days, 7.95" (202mm) of snow is typically accumulated. In Coal City, during the entire year, snow falls for 63.4 days and aggregates up to 40.04" (1017mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:21 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:16 pm EST.
Sunshine
In December, the average sunshine is 4.6h.UV index
The months with the lowest UV index are January, February, 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 the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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 many days does it snow in December?
What is the month with the shortest days in Coal City?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Coal City have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Coal City, WV
- Average high temperature in December: 42.4°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in December
Coal City, WV
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Coal City, WV
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Coal City, WV
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April, June, July, August and November (78%).
Average rainfall in December
Coal City, WV
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Coal City, WV
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is February (11.7 days).
Average snowfall in December
Coal City, WV
- Average snowfall in December: 7.95"
The month with the highest snowfall is February (8.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Coal City, WV
- Average snowfall days in December: 12.9 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Coal City, WV
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Coal City, WV
- Average sunshine days in December: 10.3 days
The month with the most sunshine days is November (14.6 days).
The month with the least sunshine days is February (7.7 days).
Average UV index in December
Coal City, 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, November and December (UV index 2).
Average cloud cover in December
Coal City, WV
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Coal City, WV
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).
Coal City, West Virginia, USA
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