December weather forecast
Newnan, GA

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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

The transition into December in Newnan, Georgia, involves a small decrease in the average high-temperature, dipping slightly from a comfortable 61.7°F (16.5°C) in November to a cool 55.2°F (12.9°C). During the month of December, Newnan's nighttime temperature lowers to an average of 40.5°F (4.7°C).

Humidity

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

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

With an average of 10h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:25 am and sunset at 5:31 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:42 pm EST.

Sunshine

The month with the least sunshine in Newnan, Georgia, is December, with an average of 5.1h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Newnan. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the maximum UV index of 3 suggests this advice:
Heed the precautions - It is counselled to guard against solar damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Newnan in December?

In Newnan, in December, the average high-temperature is 55.2°F (12.9°C), and the average low-temperature is 40.5°F (4.7°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in September is calculated to be 91.4°F (33°C).

What is the most humid month in Newnan?

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

What is the average humidity in December in Newnan?

The average relative humidity in December in Newnan, Georgia, is 78%.

How much does it rain in Newnan in December?

In Newnan, during December, the rain falls for 8.1 days and regularly aggregates up to 0.75" (19mm) of precipitation.

When it does not snow in Newnan?

February, April through December are months without snowfall.

Does it snow in Newnan in December?

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

What is the month with the shortest days in Newnan?

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

How many hours of daylight does Newnan have in December?

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

When are sunrise and sunset in December in Newnan?

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

What is the month with the least sunshine in Newnan?

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

How long on average sun shines in December in Newnan?

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

What is the month with the lowest UV index in Newnan?

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

What is the UV index reading in December in Newnan?

In Newnan, Georgia, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Newnan, GA

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).

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Average pressure in December
Newnan, GA

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).

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Average wind speed in December
Newnan, GA

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).

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Average humidity in December
Newnan, GA

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%).

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Average rainfall in December
Newnan, GA

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").

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Average rainfall days in December
Newnan, GA

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).

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Average snowfall in December
Newnan, GA

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").

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Average snowfall days in December
Newnan, GA

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).

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Average daylight in December /
Average sunshine in December
Newnan, GA

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 1min

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).

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Average sunshine days in December
Newnan, GA

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).

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Average UV index in December
Newnan, GA

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).

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Average cloud cover in December
Newnan, GA

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).

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Average visibility in December
Newnan, GA

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).

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Newnan, Georgia, USA

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