Atlanta weather in December 2026

Expect daytime maximum temperatures of 12°C in Atlanta, Georgia (USA) in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 112 mm of rainfall in the month.

  • 12°C maximum daytime temperature in December in Atlanta12
    12°C max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in December in Atlanta10
    10 days with some rainfall
  • 2°C minimum night-time temperature in December in Atlanta2
    2°C min night temperature
  • 10 hours of daylight per day in December in Atlanta10
    10 hours of daylight per day
  • No heat & humidity in December in Atlanta0
    No heat & humidity
  • 112 mm monthly rainfall in December in Atlanta112
    112 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in December in Atlanta3
    3 (Moderate) UV index

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The December weather guide for Georgia (USA) (Atlanta) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How warm is it in Atlanta in December?

Daytime temperatures usually reach 12°C in Atlanta in December, falling to 2°C at night.

How sunny is it in Atlanta in December?

There are normally 5 hours of bright sunshine each day in Atlanta in December - that's 50% of daylight hours.

Does it rain in Atlanta in December?

There are usually 10 days with some rain in Atlanta in December and the average monthly rainfall is 112mm.

Atlanta December sunrise & sunset times

Browse the sunrise and sunset times for Atlanta in December 2026. Select a month to view Atlanta sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st December 2026 07:24 17:29
Wednesday, 16th December 2026 07:36 17:31
Thursday, 31st December 2026 07:42 17:39

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