December weather forecastNewnan, GA
December
Weather in December
December brings Newnan to a full circle, delivering a blend of late-year chill, dampness, and darkening skies. As winter sets in, the maximum temperature descends beneath 56°F (13.3°C); though not as cold as January, it remains chilly. The decreasing sunshine hours underscore the winters, reduced to just 10 hours of daylight. Despite the cold weather, snowfall days remain astonishingly low. The increased cloud% rounds out the year with a sense of closure.Temperature
December signifies a minor drop in average high-temperature, transitioning from a comfortable 61.7°F (16.5°C) in November to a cool 55.2°F (12.9°C). During the nights in December, Newnan experiences a consistent average temperature of 40.5°F (4.7°C).Humidity
With an average relative humidity of 78%, December is the most humid month.Rainfall
In Newnan, during December, the rain falls for 8.1 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Newnan, during the entire year, the rain falls for 109.8 days and collects up to 8.82" (224mm) of precipitation.Snowfall
In Newnan, snow does not fall in February, April through December.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:25 am and sunset at 5:31 pm. On the last day of December, sunrise is at 7:42 am and sunset at 5:42 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.1h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Newnan, GA
- Average high temperature in December: 55.2°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 (51.8°F).
- Average low temperature in December: 40.5°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in December
Newnan, GA
- Average pressure in December: 30.15"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
Newnan, GA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Newnan, GA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are October and November (72%).
Average rainfall in December
Newnan, GA
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in December
Newnan, GA
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is October (5.2 days).
Average snowfall in December
Newnan, GA
- Average snowfall in December: 0"
The months with the highest snowfall are January and March (0.04").
The months with the least snowfall are February, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Newnan, GA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.6 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
Newnan, 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
Newnan, GA
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is October (24.3 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Newnan, GA
- Average UV index in December: 3
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Newnan, GA
- Average cloud cover in December: 46
The month with the most cloud cover is December (Cloud cover 46).
The months with the least cloud cover are June, September and October (Cloud cover 31).
Average visibility in December
Newnan, GA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
