December weather forecastWest Newnan, GA
December
Weather in December
The first month of the winter, December, is still a cool month in West Newnan, Georgia, with an average temperature varying between 55.2°F (12.9°C) and 40.5°F (4.7°C).Temperature
The onset of December results in a small decrease in the average high-temperature, moderately receding from a comfortable 61.7°F (16.5°C) in November to a fresh 55.2°F (12.9°C). Nighttime temperature experiences an average drop to an icy 40.5°F (4.7°C) in December.Humidity
The most humid month in West Newnan, Georgia, is December, with an average relative humidity of 78%.Rainfall
In West Newnan, in December, during 8.1 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In West Newnan, during the entire year, the rain falls for 109.8 days and collects up to 8.82" (224mm) of precipitation.Snowfall
February, April through December are months without snowfall.Daylight
The month with the shortest days in West Newnan 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 7:43 am and sunset at 5:42 pm EST.
Sunshine
With an average of 5.1h of sunshine, December has the least sunshine of the year.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 estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 3 suggests these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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).





