December weather forecastIrene, WV
December
Weather in December
The first month of the winter, December, is still a chilly month in Irene, West Virginia, with an average temperature fluctuating between 32.2°F (0.1°C) and 44.1°F (6.7°C).Temperature
The average high-temperature slightly decreases in December, shifting from a fresh 53.1°F (11.7°C) in November to a frosty 44.1°F (6.7°C). Nighttime temperature in Irene lowers to an average of 32.2°F (0.1°C) in December.Humidity
In Irene, the average relative humidity in December is 81%.Rainfall
In Irene, West Virginia, during December, the rain falls for 13.4 days and regularly aggregates up to 3.39" (86mm) of precipitation. Throughout the year, in Irene, there are 183.9 rainfall days, and 35.35" (898mm) of precipitation is accumulated.Snowfall
Months with snowfall in Irene, West Virginia, are January through April, October through December. In December, in Irene, West Virginia, it is snowing for 7.9 days. Throughout December, 3.82" (97mm) of snow is accumulated. Throughout the year, in Irene, there are 40.7 snowfall days, and 19.45" (494mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December in Irene, sunrise is at 7:25 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:17 pm EST.
Sunshine
In Irene, the average sunshine in December is 4.1h.UV index
The months with the lowest UV index in Irene 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 health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. 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
Irene, WV
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 32.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in December
Irene, 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 (29.98"Hg).
Average wind speed in December
Irene, WV
- Average wind speed in December: 6.2mph
The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Irene, WV
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).
Average rainfall in December
Irene, WV
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Irene, WV
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (10.9 days).
Average snowfall in December
Irene, WV
- Average snowfall in December: 3.82"
The months with the highest snowfall are January and February (5.12").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Irene, WV
- Average snowfall days in December: 7.9 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Irene, WV
- Average daylight in December: 9h and 36min
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 36min).
- Average sunshine in December: 4h and 6min
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 42min).
Average sunshine days in December
Irene, WV
- Average sunshine days in December: 11.3 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in December
Irene, WV
- Average UV index in December: 2
The months with the highest UV index are June, 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
Irene, WV
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Irene, WV
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





