Average Monthly Sunshine in Stone Mountain (GA)

The graphs on this page shows the average number of hours per month and per day that Stone Mountain receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Seasonal sunshine in Stone Mountain varies. It peaks at 288 hours in May and drops to 164 hours in January. The total annual amount of sun is 2740 hours.

Daily hours of sunshine

In Stone Mountain, summer days are longer and more sunny, with daily sunshine hours peaking at 9.6 hours in May. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 5.5 hours.

Stone Mountain’s total hours of sunshine compared to other major cities

Stone Mountain enjoys an average of 2740 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

In contrast, Brussels, UK, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

Vancouver, Canada, receives approximately 1940 hours of sunshine annually.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

Other climate information

December, Stone Mountain’s wettest month, receives 109 mm of rainfall and has a maximum daytime temperature of 14°C. During the driest month June you can expect a temperature of 31°C.

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Stone Mountain Precipitation page.