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 onset of December brings a small shift in high-temperatures, falling from an enjoyable 61°F (16.1°C) in November to a fresh 53.1°F (11.7°C). Nighttime temperature lowers to an average of 39.6°F (4.2°C) in December.Humidity
With an average relative humidity of 81%, December is the most humid month.Rainfall
December is the month with the most rainfall. Rain falls for 13.4 days and accumulates 4.49" (114mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Glen Allen, in December, snow falls for 0.9 days, with typically accumulated 0.2" (5mm) of snow. In Glen Allen, during the entire year, snow falls for 5 days and aggregates up to 1.54" (39mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:38 am and sunset at 4:41 pm. On the last day of December, sunrise is at 6:56 am and sunset at 4:52 pm CST.
Sunshine
With an average of 4.6h of sunshine, December has the least sunshine of the year in Glen Allen.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests this advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Glen Allen in December?
What is the most humid month?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Glen Allen have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December in Glen Allen?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Glen Allen, AL
- Average high temperature in December: 53.1°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in December: 39.6°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure in December
Glen Allen, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Glen Allen, AL
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Glen Allen, AL
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Glen Allen, AL
- Average rainfall in December: 4.49"
The wettest month (with the highest rainfall) is December (4.49").
The driest month (with the least rainfall) is November (2.44").
Average rainfall days in December
Glen Allen, AL
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in December
Glen Allen, AL
- Average snowfall in December: 0.2"
The months with the highest snowfall are January and February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Glen Allen, AL
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Glen Allen, AL
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in December
Glen Allen, AL
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in December
Glen Allen, AL
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Glen Allen, AL
- Average cloud cover in December: 50
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Glen Allen, AL
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, May and July (5mi).
Glen Allen, Alabama, USA
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