December weather forecastChestnut Mountain, GA
December
Weather in December
December, the first month of the winter in Chestnut Mountain, is still a cool month, with an average temperature varying between 38.5°F (3.6°C) and 52.7°F (11.5°C).Temperature
The shift from November to December includes a small decrease in the average high-temperature, from a moderate 59.7°F (15.4°C) to a cool 52.7°F (11.5°C). The average low-temperature in Chestnut Mountain during December nights is an icy 38.5°F (3.6°C).Humidity
December is the most humid month in Chestnut Mountain, with an average relative humidity of 78%.Rainfall
In December, the rain falls for 13.2 days. Throughout December, 4.13" (105mm) of precipitation is accumulated. In Chestnut Mountain, Georgia, during the entire year, the rain falls for 180.6 days and collects up to 42.4" (1077mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. December is the month with the most snowfall. Snow falls for 0.6 days and accumulates 1.54" (39mm) of snow.Daylight
December has the shortest days of the year in Chestnut Mountain, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:23 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:36 pm EST.
Sunshine
With an average of 5.2h of sunshine, December has the least sunshine of the year in Chestnut Mountain.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chestnut Mountain, GA
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in December: 38.5°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Chestnut Mountain, GA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Chestnut Mountain, GA
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Chestnut Mountain, GA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are July and October (72%).
Average rainfall in December
Chestnut Mountain, GA
- Average rainfall in December: 4.13"
The wettest month (with the highest rainfall) is August (4.61").
The driest month (with the least rainfall) is October (2.32").
Average rainfall days in December
Chestnut Mountain, GA
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is October (9.6 days).
Average snowfall in December
Chestnut Mountain, GA
- Average snowfall in December: 1.54"
The month with the highest snowfall is December (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Chestnut Mountain, GA
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.7 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
Chestnut Mountain, GA
- Average daylight in December: 9h and 54min
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: 5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Chestnut Mountain, GA
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is July (7.7 days).
Average UV index in December
Chestnut Mountain, GA
- Average UV index in December: 2
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 and December (UV index 2).
Average cloud cover in December
Chestnut Mountain, GA
- Average cloud cover in December: 45
The months with the most cloud cover are February and December (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Chestnut Mountain, 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).





