December weather forecastForest Mill, GA
December
Weather in December
December, the first month of the winter in Forest Mill, is still a cool month, with an average temperature fluctuating between 55°F (12.8°C) and 40.3°F (4.6°C).Temperature
The shift from November to December coincides with a small decrease in the average high-temperature, down to a cool 55°F (12.8°C) from an enjoyable 62.2°F (16.8°C). December in Forest Mill is noted for a mean low-temperature of 40.3°F (4.6°C).Humidity
With an average relative humidity of 77%, December is the most humid month in Forest Mill.Rainfall
In Forest Mill, during December, the rain falls for 8.8 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Forest Mill, during the entire year, the rain falls for 132.6 days and collects up to 14.41" (366mm) of precipitation.Snowfall
In Forest Mill, snow does not fall in March through December.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Forest Mill.On the first day of December, sunrise is at 7:22 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:38 pm EST.
Sunshine
With an average of 5.1h of sunshine, December has the least sunshine of the year in Forest Mill, Georgia.UV index
The months with the lowest UV index in Forest Mill, Georgia, are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Forest Mill, GA
- Average high temperature in December: 55°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (51.6°F).
- Average low temperature in December: 40.3°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).
Average pressure in December
Forest Mill, 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
Forest Mill, GA
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Forest Mill, GA
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are October and November (72%).
Average rainfall in December
Forest Mill, GA
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is October (0.75").
Average rainfall days in December
Forest Mill, GA
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is November (6 days).
Average snowfall in December
Forest Mill, GA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Forest Mill, GA
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January and February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Forest Mill, 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Forest Mill, GA
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is October (22.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Forest Mill, GA
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Forest Mill, 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 October (Cloud cover 31).
Average visibility in December
Forest Mill, 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).





