Norcross (GA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Norcross.
Climate overview of Norcross
Temperatures in Norcross, Georgia, United States of America, vary greatly throughout the year. July is the hottest month at 32°C (90°F), while January is the coldest at 11°C (52°F).
The city has a wet climate, receiving around 1246 mm (49 in) of rain/snowfall per year. December is the wettest month. Sunshine peaks in May, when the city sees around 9.6 hours of sunshine per day.
Norcross Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Norcross — and find the best time to visit.
Monthly Temperature in Norcross
The climate in Norcross is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 32°C (90°F) in July to a chilly 11°C (52°F) in January.
Nighttime temperatures range from 21°C (70°F) in July to 0°C (32°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Norcross
Norcross has a notably wet climate with abundant precipitation, recording 1246 mm (49 in) of rain/snowfall per year. The amount of precipitation varies moderately throughout the year. The wettest month, December, sees around 142 mm (5.6 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, June, still receives a respectable 81 mm (3.2 in) of rainfall. For more details, please visit our Norcross Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Norcross
In Norcross, 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 average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Norcross by Month
The relative humidity is high throughout the year in Norcross.
The city experiences its highest humidity in August, reaching 75%. In April, the humidity drops to its lowest level at 61%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Norcross
Frequently asked questions about the climate in Norcross
What is the best time to visit Norcross?
April, May and October typically offer the most optimal weather in Norcross. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Norcross?
Daytime highs range from 11°C (52°F) in January to 32°C (90°F) in July. Nighttime lows range from 0°C (32°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Norcross get?
Annual rainfall is around 1246 mm (49 in). December is the wettest month with 142 mm (5.6 in), while June is the driest with 81 mm (3.2 in).
How sunny is Norcross?
Norcross receives around 2,733 hours of sunshine per year. May is the sunniest month with 288 hours, while January is the cloudiest with just 164 hours. Overall, Norcross enjoys abundant sunshine.
Norcross 3-Day Forecast
Norcross (GA) 3-Day Forecast
Norcross on the map
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