December weather forecastHeaters, WV
December
Weather in December
December, the first month of the winter in Heaters, is also an icy month, with temperature in the range of an average high of 42.3°F (5.7°C) and an average low of 30.6°F (-0.8°C).Temperature
December's arrival signals a moderate reduction in the average high-temperature, easing from a fresh 51.1°F (10.6°C) in November to a cold 42.3°F (5.7°C). Heaters throughout December, records an average low-temperature of 30.6°F (-0.8°C).Humidity
In Heaters, 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 Heaters, there are 195.1 rainfall days, and 38.98" (990mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Heaters. In Heaters, West Virginia, in December, during 12 snowfall days, 6.46" (164mm) of snow is typically accumulated. In Heaters, during the entire year, snow falls for 58.6 days and aggregates up to 34.25" (870mm) 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 the month, sunrise is at 7:22 am and sunset at 5:01 pm. On the last day of December, sunrise is at 7:40 am and sunset at 5:11 pm EST.
Sunshine
In Heaters, the average sunshine in December is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes 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:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Heaters, 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
Heaters, 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
Heaters, 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
Heaters, 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
Heaters, 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
Heaters, 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
Heaters, 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
Heaters, 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
Heaters, WV
- Average daylight in December: 9h and 30min
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 6min
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
Heaters, 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
Heaters, 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
Heaters, 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
Heaters, 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).





