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
Atlanta's December weather comes with a decrease in average high-temperatures, moving from a frosty 43.5°F (6.4°C) in November to a cold 33.4°F (0.8°C). The average temperature in Atlanta, New York, during December nights dips to a freezing cold 23.9°F (-4.5°C).Humidity
In December, the average relative humidity is 86%.Rainfall
In Atlanta, in December, it is raining for 8.1 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 153.7 rainfall days, and 25.04" (636mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Atlanta. In Atlanta, New York, in December, snow falls for 15.7 days, with typically accumulated 6.18" (157mm) of snow. Throughout the year, there are 84.4 snowfall days, and 33.82" (859mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Atlanta.On the first day of December in Atlanta, sunrise is at 7:20 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:46 pm EST.
Sunshine
In Atlanta, the average sunshine in December is 2.6h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 1 in December interprets into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Always opt for UVA and UVB-resistant sunglasses on radiant days. 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
How cold is it in Atlanta in December?
What is the average humidity in December in Atlanta?
How much does it rain in Atlanta in December?
How much does it snow in Atlanta in December?
What is the month with the shortest days in Atlanta?
How many hours of daylight does Atlanta have in December?
When are sunrise and sunset in December in Atlanta?
How long on average sun shines in December in Atlanta?
What is the month with the lowest UV index in Atlanta?
What is the UV index reading in December in Atlanta?
Average temperature in December
Atlanta, NY
- Average high temperature in December: 33.4°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in December
Atlanta, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Atlanta, NY
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Atlanta, NY
- Average humidity in December: 86%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (78%).
Average rainfall in December
Atlanta, NY
- Average rainfall in December: 1.93"
The wettest months (with the highest rainfall) are May and October (2.64").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in December
Atlanta, NY
- Average rainfall days in December: 8.1 days
The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in December
Atlanta, NY
- Average snowfall in December: 6.18"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Atlanta, NY
- Average snowfall days in December: 15.7 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Atlanta, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).
Average sunshine days in December
Atlanta, NY
- Average sunshine days in December: 8.8 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in December
Atlanta, NY
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Atlanta, NY
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Atlanta, NY
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is January (4mi).
Atlanta, New York, USA
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