December weather forecast
Atlanta, LA

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Weather in December

December, the first month of the winter in Atlanta, is also a moderate month, with an average temperature ranging between max 57.4°F (14.1°C) and min 42.6°F (5.9°C).

Temperature

In the transition to December, Atlanta observes a minor drop in the average high-temperature, shifting from a comfortable 65.3°F (18.5°C) in November to a moderate 57.4°F (14.1°C). The nights of December anticipate an average low-temperature of 42.6°F (5.9°C).

Humidity

The average relative humidity in December in Atlanta, Louisiana, is 82%.

Rainfall

In December, the rain falls for 10.1 days. Throughout December, 1.34" (34mm) of precipitation is accumulated. In Atlanta, during the entire year, the rain falls for 130.3 days and collects up to 16.42" (417mm) of precipitation.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Atlanta, Louisiana, there are 1.6 snowfall days, and 0.28" (7mm) of snow is accumulated.

Daylight

The month with the shortest days in Atlanta is December, with an average of 10h and 6min of daylight.
On the first day of December, sunrise is at 6:53 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:17 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 4.8h of sunshine.

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 moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 3 during December morphs into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

What are December temperatures in Atlanta?

In Atlanta, 57.4°F (14.1°C) is the average high-temperature and 42.6°F (5.9°C) is the average low-temperature during December. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is appraised at 102.2°F (39°C).

What is the average humidity in December in Atlanta?

The average relative humidity in December in Atlanta, Louisiana, is 82%.

How much does it rain in Atlanta in December?

In Atlanta, in December, it is raining for 10.1 days, with typically 1.34" (34mm) of accumulated precipitation.

When does it start snowing in Atlanta?

December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Atlanta?

The month with the shortest days in Atlanta is December, with an average of 10h and 6min of daylight.

How many hours of daylight does Atlanta have in December?

In Atlanta, Louisiana, the average day length in December is 10h and 7min.

What time are sunrise and sunset in December in Atlanta?

In December, on the first day of the month, sunrise is at 6:53 am and sunset at 5:06 pm. On the last day of the month, in Atlanta, Louisiana, sunrise is at 7:10 am and sunset at 5:17 pm CST.

What is the month with the least sunshine in Atlanta?

The month with the least sunshine in Atlanta, Louisiana, is December, with an average of 4.8h of sunshine.

How many hours of sunshine does Atlanta have in December?

In Atlanta, the average sunshine duration in December is 4.8h.

When is the lowest UV index in Atlanta?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Atlanta, Louisiana.

What is the UV index intensity in December in Atlanta?

The average daily maximum UV index in December in Atlanta, Louisiana, is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Atlanta, LA

Average temperature in December - Atlanta, LA
  • Average high temperature in December: 57.4°F

The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is January (55.2°F).

  • Average low temperature in December: 42.6°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).

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Average pressure in December
Atlanta, LA

Average pressure in December - Atlanta, LA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Atlanta, LA

Average wind speed in December - Atlanta, LA
  • Average wind speed in December: 6.1mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).

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Average humidity in December
Atlanta, LA

Average humidity in December - Atlanta, LA
  • Average humidity in December: 82%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in December
Atlanta, LA

Average rainfall in December - Atlanta, LA
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is August (1.85").
The driest month (with the least rainfall) is November (0.94").

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Average rainfall days in December
Atlanta, LA

Average rainfall days in December - Atlanta, LA
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is August (14.6 days).
The month with the least rainy days is November (6.6 days).

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Average snowfall in December
Atlanta, LA

Average snowfall in December - Atlanta, LA
  • Average snowfall in December: 0.04"

The month with the highest snowfall is January (0.12").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Atlanta, LA

Average snowfall days in December - Atlanta, LA
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Atlanta, LA

Average daylight in December / Average sunshine in December - Atlanta, LA
  • Average daylight in December: 10h and 1min

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: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in December
Atlanta, LA

Average sunshine days in December - Atlanta, LA
  • Average sunshine days in December: 17.9 days

The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is August (13.2 days).

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Average UV index in December
Atlanta, LA

Average UV index in December - Atlanta, LA
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in December
Atlanta, LA

Average cloud cover in December - Atlanta, LA
  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 30).

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Average visibility in December
Atlanta, LA

Average visibility in December - Atlanta, LA
  • Average visibility in December: 5mi

The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).

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Atlanta, Louisiana, USA

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