December weather forecastByron, GA
December
Weather in December
The first month of the winter, December, is still a mild month in Byron, Georgia, with an average temperature fluctuating between 43.2°F (6.2°C) and 58.1°F (14.5°C).Temperature
The onset of December aligns with a soft reduction in the average high-temperature, gently falling from 64°F (17.8°C) in November to a still refreshing 58.1°F (14.5°C). In the month of December, the average temperature dips to a frosty 43.2°F (6.2°C) during the night.Humidity
With an average relative humidity of 76%, December is the most humid month.Rainfall
In Byron, in December, it is raining for 12.4 days, with typically 3.86" (98mm) of accumulated precipitation. In Byron, Georgia, during the entire year, the rain falls for 178.9 days and collects up to 37.36" (949mm) of precipitation.Snowfall
April through December are months without snowfall.Daylight
The month with the shortest days in Byron is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:19 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:39 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. 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
Byron, GA
- Average high temperature in December: 58.1°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (54.9°F).
- Average low temperature in December: 43.2°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in December
Byron, 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 (29.98"Hg).
Average wind speed in December
Byron, GA
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Byron, GA
- Average humidity in December: 76%
The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are October and November (70%).
Average rainfall in December
Byron, GA
- Average rainfall in December: 3.86"
The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is October (2.2").
Average rainfall days in December
Byron, GA
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is August (22.2 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Byron, GA
- Average snowfall in December: 0"
The months with the highest snowfall are January and February (0.2").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Byron, GA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Byron, 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 18min
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 18min).
Average sunshine days in December
Byron, GA
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is July (6 days).
Average UV index in December
Byron, GA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Byron, GA
- Average cloud cover in December: 43
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June and October (Cloud cover 28).
Average visibility in December
Byron, 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).





