Stone Mountain (GA) Sunshine Hours by Month

When exploring climate, sunlight hours tell an important story. This page shows the total number of hours of direct sunlight per month and the average hours per day in Stone Mountain, Georgia, United States of America. This average is based on long-term data collected between 1990 and 2020.

Monthly hours of sunshine

Sunshine in Stone Mountain varies greatly throughout the year. The sunniest month, May, reaches an impressive 288 hours, while January, the darkest month, offers only 164 hours. The total annual amount of sun is 2733 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 per day.

Average percent of sunshine

On average the sun shines 68% of the time during the day in October, the highest percentage of any month. January has the lowest percentage at 52%.

Stone Mountain enjoys an average of 2733 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

December, Stone Mountain’s wettest month, receives 109 mm (4.3 in) of rainfall and has a maximum daytime temperature of 14°C (57°F). During the driest month June you can expect a temperature of 31°C (88°F).

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.