Duluth (GA) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Duluth.

Current conditions Duluth –  

Climate overview of Duluth

Duluth, Georgia, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 32°C (90°F) in July, while winters cool to 11°C (52°F) in January.

With around 1234 mm (49 in) of annual rain/snowfall, Duluth has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has very warm summers and cold winters. The wettest month is December. Sunshine peaks in May, when the city sees around 9.6 hours of sunshine per day.

Duluth Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Duluth - and find the best time to visit.

Monthly Temperature in Duluth

Depending on the time of the year, temperatures range from very warm to chilly in Duluth. Average daytime temperatures reach a very warm 32°C (90°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 11°C (52°F).

At night, temperatures range from around 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 Duluth

Duluth has a relatively rain/snowy climate with high precipitation levels, averaging 1234 mm (49 in) of rain/snowfall annually. Duluth experiences moderate seasonal variation in rainfall, with monthly averages ranging from 141 mm (5.6 in) in December, the wettest month, and 83 mm (3.3 in) in June, the driest month. For more details, please visit our Duluth Precipitation page.

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

Sunshine Hours in Duluth

Duluth 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 (36 KM, 22 Miles).

Daily hours of sunshine

Data from: Atlanta, the United States of America (36 KM, 22 Miles).

Humidity in Duluth by Month

Best Time to Visit Duluth

The most comfortable overall weather for exploring Duluth is usually found in April, May and September. Conditions are generally least comfortable in January, February and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: April, May and September
  • Warmest weather: June, July and August
  • Most sunshine: May and June
  • Fewest rainy days: April, September, October and November
  • Seasonal pattern: Very warm summers and cold winters
  • Coldest conditions: January, with freezing nights around 0°C (32°F).

Frequently asked questions about the climate in Duluth

What is the best time to visit Duluth?

April, May and September typically offer the most optimal weather in Duluth. In contrast, January, February and December tend to have less optimal conditions. Duluth has very warm summers and cold winters.

What temperatures can I expect in Duluth?

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 Duluth get?

Annual rainfall is around 1234 mm (49 in). December is the wettest month with 141 mm (5.6 in), while June is the driest with 83 mm (3.3 in).

How sunny is Duluth?

Duluth 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, Duluth enjoys abundant sunshine.

Duluth 3-Day Forecast

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