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
Glenn in December undergoes a slight reduction in the average high-temperature, shifting from November's enjoyable 61.9°F (16.6°C) to a fresh 55.2°F (12.9°C). An average low-temperature of 40.3°F (4.6°C) is observed during the December nights.Humidity
With an average relative humidity of 80%, December is the most humid month in Glenn, Georgia.Rainfall
In Glenn, in December, during 14 rainfall days, 3.74" (95mm) of precipitation is typically accumulated. Throughout the year, there are 181.7 rainfall days, and 39.06" (992mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Glenn. December is the first month it typically snows in Glenn. Throughout December, in the average 0.6 snowfall days, it receives 0.35" (9mm) of snow. In Glenn, during the entire year, snow falls for 3.5 days and aggregates up to 1.18" (30mm) of snow.Daylight
December has the shortest days of the year in Glenn, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:26 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:44 pm EST.
Sunshine
February and December, with an average of 5h of sunshine, are months with the least sunshine in Glenn.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 3 suggests this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Glenn?
What is the most humid month in Glenn?
What is the average humidity in December in Glenn?
How many days does it rain in December in Glenn?
When does it start snowing in Glenn?
What is the month with the shortest days in Glenn?
What is the average length of the day in December in Glenn?
What time are sunrise and sunset in December in Glenn?
What are the months with the least sunshine in Glenn?
How long on average sun shines in December in Glenn?
What are the months with the lowest UV index in Glenn?
What is the UV index intensity in December in Glenn?
Average temperature in December
Glenn, GA
- Average high temperature in December: 55.2°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (52°F).
- Average low temperature in December: 40.3°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in December
Glenn, GA
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Glenn, GA
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).
Average humidity in December
Glenn, GA
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Glenn, GA
- Average rainfall in December: 3.74"
The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is October (1.93").
Average rainfall days in December
Glenn, GA
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Glenn, GA
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Glenn, GA
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is January (1.3 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
Glenn, GA
- 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 months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).
Average sunshine days in December
Glenn, GA
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in December
Glenn, GA
- Average UV index in December: 3
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 3).
Average cloud cover in December
Glenn, GA
- Average cloud cover in December: 47
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in December
Glenn, GA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Glenn, Georgia, USA
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