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 shift from November to December involves a decrease in the average high-temperature, dropping from a fresh 52°F (11.1°C) to a chilly 42.8°F (6°C). In the month of December, Glengary witnesses a consistent average low-temperature of 29.8°F (-1.2°C).Humidity
May, October and December, with an average relative humidity of 78%, are the most humid months in Glengary.Rainfall
In December, the rain falls for 6.9 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 117.3 rainfall days, and 12.24" (311mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Glengary, West Virginia. In December, in Glengary, it is snowing for 3.3 days. Throughout December, 0.83" (21mm) of snow is accumulated. In Glengary, during the entire year, snow falls for 17.1 days and aggregates up to 4.69" (119mm) of snow.Daylight
December has the shortest days of the year in Glengary, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 4:49 pm. On the last day of December, in Glengary, sunrise is at 7:32 am and sunset at 4:59 pm EST.
Sunshine
In December, the average sunshine in Glengary is 5h.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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
Is December cold in Glengary?
What are the most humid months in Glengary?
What is the average humidity in December in Glengary?
How many days does it rain in December in Glengary?
How much does it snow in Glengary in December?
What is the month with the shortest days in Glengary?
What is the average length of the day in December in Glengary?
What time are sunrise and sunset in December in Glengary?
How many hours of sunshine does Glengary have in December?
When is the lowest UV index in Glengary?
How high is the UV index in December in Glengary?
Average temperature in December
Glengary, WV
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in December
Glengary, WV
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Glengary, WV
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is March (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Glengary, WV
- Average humidity in December: 78%
The months with the highest relative humidity are May, October and December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in December
Glengary, WV
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Glengary, WV
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Glengary, WV
- Average snowfall in December: 0.83"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Glengary, WV
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Glengary, WV
- Average daylight in December: 9h and 2min
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 24min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Glengary, WV
- Average sunshine days in December: 21.1 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is May (14.6 days).
Average UV index in December
Glengary, WV
- Average UV index in December: 2
The months with the highest UV index are May, 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
Glengary, WV
- Average cloud cover in December: 48
The months with the most cloud cover are January, March and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Glengary, WV
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).
Glengary, West Virginia, USA
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