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 average high-temperature slightly decreases in December, shifting from an enjoyable 63.5°F (17.5°C) in November to a still refreshing 55.6°F (13.1°C). Glen Allan throughout December, experiences an average nighttime temperature of 42.8°F (6°C).Humidity
February, March and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In Glen Allan, in December, during 13.4 rainfall days, 3.54" (90mm) of precipitation is typically accumulated. In Glen Allan, Mississippi, during the entire year, the rain falls for 163.6 days and collects up to 39.61" (1006mm) of precipitation.Snowfall
In Glen Allan, Mississippi, snow does not fall in April through October and December.Daylight
The month with the shortest days in Glen Allan is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:49 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:07 pm CST.
Sunshine
In Glen Allan, the average sunshine in December is 5h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Glen Allan?
What is the most humid month in Glen Allan?
What is the average humidity in December in Glen Allan?
How much does it rain in Glen Allan in December?
When it does not snow in Glen Allan?
Does it snow in Glen Allan in December?
What is the month with the shortest days in Glen Allan?
What is the average length of the day in December in Glen Allan?
When is the sunrise / sunset in December in Glen Allan?
How many hours of sunshine does Glen Allan have in December?
What are the months with the lowest UV index in Glen Allan?
What is the UV index intensity in December in Glen Allan?
Average temperature in December
Glen Allan, MS
- Average high temperature in December: 55.6°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in December: 42.8°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).
Average pressure in December
Glen Allan, MS
- 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 (29.96"Hg).
Average wind speed in December
Glen Allan, MS
- Average wind speed in December: 8.4mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Glen Allan, MS
- Average humidity in December: 79%
The months with the highest relative humidity are February, March and December (79%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Glen Allan, MS
- Average rainfall in December: 3.54"
The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in December
Glen Allan, MS
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is October (9.2 days).
Average snowfall in December
Glen Allan, MS
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Glen Allan, MS
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (0.8 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 Allan, MS
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Glen Allan, MS
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in December
Glen Allan, MS
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Glen Allan, MS
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Glen Allan, MS
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Glen Allan, Mississippi, USA
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