December weather forecastSpelter, WV
December
Weather in December
The first month of the winter, December, is also a wintry month in Spelter, West Virginia, with an average temperature varying between 41.9°F (5.5°C) and 29.8°F (-1.2°C).Temperature
The onset of December brings a small change in high-temperatures, falling from a fresh 50.9°F (10.5°C) in November to an icy 41.9°F (5.5°C). Spelter, during December, witnesses an average low-temperature of 29.8°F (-1.2°C).Humidity
In Spelter, the average relative humidity in December is 82%.Rainfall
In Spelter, West Virginia, in December, it is raining for 14 days, with typically 3.35" (85mm) of accumulated precipitation. Throughout the year, there are 189.3 rainfall days, and 36.97" (939mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Spelter. In Spelter, in December, snow falls for 11.9 days, with typically accumulated 5.35" (136mm) of snow. In Spelter, during the entire year, snow falls for 57.8 days and aggregates up to 28.9" (734mm) of snow.Daylight
The month with the shortest days in Spelter is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:22 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:08 pm EST.
Sunshine
In December, the average sunshine is 3.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Spelter. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Spelter, WV
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in December
Spelter, WV
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Spelter, WV
- Average wind speed in December: 6.3mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Spelter, WV
- Average humidity in December: 82%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are July, August and November (77%).
Average rainfall in December
Spelter, WV
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in December
Spelter, WV
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is November (11.8 days).
Average snowfall in December
Spelter, WV
- Average snowfall in December: 5.35"
The month with the highest snowfall is January (7.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Spelter, WV
- Average snowfall days in December: 11.9 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Spelter, WV
- Average daylight in December: 9h and 30min
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 48min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Spelter, WV
- Average sunshine days in December: 9.2 days
The month with the most sunshine days is October (13.8 days).
The month with the least sunshine days is January (7.4 days).
Average UV index in December
Spelter, WV
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Spelter, WV
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Spelter, WV
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).





