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.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during December are 55.2°F (12.9°C) and 40.5°F (4.7°C) respectively. In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 91.4°F (33°C).

December is the most humid month, with an average relative humidity of 78%.

In West Newnan, the average relative humidity in December is 78%.

In December, the rain falls for 8.1 days. Throughout December, 0.75" (19mm) of precipitation is accumulated.

February, April through December are months without snowfall in West Newnan.

In West Newnan, in December, it doesn't snow. In January, it regularly snows.

The month with the shortest days is December, with an average of 10h and 0min of daylight.

In West Newnan, the average day length in December is 9h and 59min.

In December, on the first day of the month, sunrise is at 7:25 am and sunset at 5:31 pm. On the last day of the month, in West Newnan, Georgia, sunrise is at 7:43 am and sunset at 5:42 pm EST.

With an average of 5.1h of sunshine, December has the least sunshine of the year in West Newnan, Georgia.

In West Newnan, Georgia, the average sunshine duration in December is 5.1h.

The months with the lowest UV index in West Newnan, Georgia, are January, February, November and December, with an average maximum UV index of 3.

In December, the average daily maximum UV index in West Newnan, Georgia, is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).