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 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 includes a small decrease in the average high-temperature, from an enjoyable 66.9°F (19.4°C) to a still refreshing 61.3°F (16.3°C). Wheaton's average low-temperature during December nights is observed to be a chilly 46°F (7.8°C).Humidity
August, September and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In December, the rain falls for 6.5 days. Throughout December, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 115.3 rainfall days, and 10.35" (263mm) of precipitation is accumulated.Snowfall
In Wheaton, snow does not fall in February through December.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:11 am and sunset at 5:25 pm. On the last day of December, sunrise is at 7:28 am and sunset at 5:35 pm EST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year.UV index
The average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in December interprets into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Wheaton have in December?
What is the UV index reading in December?
Average temperature in December
Wheaton, GA
- Average high temperature in December: 61.3°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (57.7°F).
- Average low temperature in December: 46°F
The month with the highest average low temperature is August (73.6°F).
The coldest month (with the lowest average low temperature) is January (41°F).
Average pressure in December
Wheaton, GA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Wheaton, GA
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Wheaton, GA
- Average humidity in December: 77%
The months with the highest relative humidity are August, September and December (77%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in December
Wheaton, GA
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is August (1.54").
The driest months (with the least rainfall) are January and November (0.47").
Average rainfall days in December
Wheaton, GA
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is August (15.9 days).
The month with the least rainy days is November (4.9 days).
Average snowfall days in December
Wheaton, GA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Wheaton, GA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Wheaton, GA
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is August (9.3 days).
Average UV index in December
Wheaton, GA
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Wheaton, GA
- Average cloud cover in December: 42
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Wheaton, GA
- 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).
Wheaton, Georgia, USA
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