December weather forecastDemorest, GA
December
Weather in December
The first month of the winter, December, is still a cool month in Demorest, Georgia, with an average temperature varying between 37.8°F (3.2°C) and 52.7°F (11.5°C).Temperature
The arrival of December corresponds with a minor reduction in the average high-temperature, down from November's moderate 59.9°F (15.5°C) to a cool 52.7°F (11.5°C). An average low-temperature of 37.8°F (3.2°C) is observed in Demorest during the December nights.Humidity
With an average relative humidity of 78%, December is the most humid month.Rainfall
The month with the most rainfall is December, when the rain falls for 12.7 days and typically aggregates up to 4.33" (110mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Demorest. The month with the most snowfall in Demorest is December, when snow falls for 0.9 days and typically aggregates up to 3.27" (83mm) of snow.Daylight
The month with the shortest days in Demorest, Georgia, is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 5:23 pm. On the last day of December, sunrise is at 7:40 am and sunset at 5:34 pm EST.
Sunshine
The month with the least sunshine in Demorest is December, with an average of 5.1h of sunshine.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 health risk from unsafe exposure to UV radiation for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. 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. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Demorest, GA
- Average high temperature in December: 52.7°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 (48.7°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).
Average pressure in December
Demorest, GA
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Demorest, GA
- Average wind speed in December: 5.8mph
The windiest months (with the highest average wind speed) are January and February (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Demorest, GA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in December
Demorest, GA
- Average rainfall in December: 4.33"
The wettest month (with the highest rainfall) is December (4.33").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Demorest, GA
- Average rainfall days in December: 12.7 days
The months with the highest number of rainy days are May and July (15.1 days).
The month with the least rainy days is October (8.8 days).
Average snowfall in December
Demorest, GA
- Average snowfall in December: 3.27"
The month with the highest snowfall is December (3.27").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Demorest, GA
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (1.8 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
Demorest, 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 6min
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 6min).
Average sunshine days in December
Demorest, GA
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in December
Demorest, 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
Demorest, GA
- Average cloud cover in December: 45
The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in December
Demorest, GA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, June, July, August, September, October and November (6mi).
The months with the lowest visibility are April, May and December (5mi).





