December weather forecastPreston, GA
December
Weather in December
The first month of the winter, December, is also a moderate month in Preston, Georgia, with an average temperature varying between 44.2°F (6.8°C) and 59°F (15°C).Temperature
December reveals a small adjustment in temperature, transitioning from an average high of an enjoyable 65.3°F (18.5°C) in November to a still refreshing 59°F (15°C). Nighttime temperatures consistently average a frosty 44.2°F (6.8°C) during December.Humidity
December is the most humid month, with an average relative humidity of 76%.Rainfall
In Preston, in December, during 10.5 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, there are 152.2 rainfall days, and 22.95" (583mm) of precipitation is accumulated.Snowfall
April through December are months without snowfall.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 7:21 am and sunset at 5:33 pm. On the last day of December, sunrise is at 7:38 am and sunset at 5:44 pm EST.
Sunshine
With an average of 5.2h of sunshine, December has the least sunshine of the year in Preston.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Preston, GA
- Average high temperature in December: 59°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in December: 44.2°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).
Average pressure in December
Preston, GA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Preston, GA
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Preston, GA
- Average humidity in December: 76%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Preston, GA
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is November (1.22").
Average rainfall days in December
Preston, GA
- Average rainfall days in December: 10.5 days
The months with the highest number of rainy days are July and August (20.3 days).
The month with the least rainy days is November (6.9 days).
Average snowfall in December
Preston, GA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Preston, GA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Preston, GA
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Preston, GA
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is October (21.9 days).
The months with the least sunshine days are July and August (8.3 days).
Average UV index in December
Preston, GA
- Average UV index in December: 3
The months with the highest UV index are May, 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
Preston, GA
- Average cloud cover in December: 44
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Preston, 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).





