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Stone Mountain (GA) Weather and Climate: A Comprehensive Guide

The temperature in Stone Mountain can vary greatly throughout the year. The temperatures shift from very warm to cold. It also experiences much rain/snowfall throughout the year. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from very warm to chilly in Stone Mountain. Average daytime temperatures reach a very warm 32°C in July. In January, the coolest month of the year, temperatures drop to a chilly 11°C.

At night, you can expect cooler temperatures, with averages dropping to around 0°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Stone Mountain has a relatively rain/snowy climate with high precipitation levels, averaging 1258 mm of rain/snowfall annually. Stone Mountain experiences moderate seasonal variation in rainfall, with monthly averages ranging from 149 mm in December, the wettest month, and 84 mm in June, the driest month.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Stone Mountain can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 9.6 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 5.5 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Atlanta, the United States of America (21 KM, 13 Miles).

Daily hours of sunshine

Data from: Atlanta, the United States of America (21 KM, 13 Miles).

Forecast for Stone Mountain (GA)

Thu   Dec 26
9°C | 5°C
E 3 m/s
overcast and no rain

overcast and no rain

Fri   Dec 27
10°C | 6°C
E 4 m/s
3.5 mm
overcast and rain

overcast and rain

Sat   Dec 28
17°C | 8°C
SE 3 m/s
12 mm
overcast and rain

overcast and rain

The best time of year to visit Stone Mountain in the United States of America

During the months of April and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Stone Mountain?
    August has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Stone Mountain?
    The coldest month is January with an average maximum temperature of 11°C.
  • Which is the wettest month in Stone Mountain?
    December tops the wettest month list with 149 mm of rainfall.
  • Which is the driest month in Stone Mountain?
    June is the driest month with 84 mm of precipitation.
  • Which is the sunniest month in Stone Mountain?
    May is the sunniest month with an average of 288 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.