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 arrival of December signals a subtle shift in temperature, down from a cool 52.5°F (11.4°C) in November to a chilly 44.4°F (6.9°C). In December, the average low-temperature records at a freezing cold 31.1°F (-0.5°C) during the nights.Humidity
The average relative humidity in December is 81%.Rainfall
In Excelsior, during December, the rain falls for 11.6 days and regularly aggregates up to 2.8" (71mm) of precipitation. Throughout the year, in Excelsior, West Virginia, there are 172.5 rainfall days, and 29.41" (747mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall in Excelsior. Snow falls for 7.8 days and accumulates 4.41" (112mm) 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 the month, sunrise is at 7:22 am and sunset at 5:09 pm. On the last day of December, sunrise is at 7:40 am and sunset at 5:19 pm EST.
Sunshine
The average sunshine in December in Excelsior is 4.7h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Excelsior, West Virginia. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
Is it cold in Excelsior during December?
What is the average humidity in December in Excelsior?
How many days does it rain in December in Excelsior?
When does it snow the most in Excelsior?
How many days does it snow in December in Excelsior?
What is the month with the shortest days in Excelsior?
What is the average length of the day in December in Excelsior?
When are sunrise and sunset in December in Excelsior?
How long on average sun shines in December in Excelsior?
What is the month with the lowest UV index in Excelsior?
What is the UV index intensity in December in Excelsior?
Average temperature in December
Excelsior, WV
- Average high temperature in December: 44.4°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
Excelsior, 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
Excelsior, WV
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Excelsior, WV
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August and November (76%).
Average rainfall in December
Excelsior, WV
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Excelsior, WV
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and November (10.1 days).
Average snowfall in December
Excelsior, WV
- Average snowfall in December: 4.41"
The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Excelsior, WV
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Excelsior, 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 12min).
Average sunshine days in December
Excelsior, WV
- Average sunshine days in December: 13.8 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in December
Excelsior, WV
- Average UV index in December: 2
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Excelsior, WV
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 36).
Average visibility in December
Excelsior, 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).
Excelsior, West Virginia, USA
Weather forecast for your location
2. Allow the app to use your location
