Duluth Weather in August

August in Duluth sees daytime temperatures around 31°C (88°F) and lows of 21°C (70°F) at night. With around 99 mm (3.9 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Duluth in August

The climate data from previous years indicates about 12 days of rain, averaging 99 mm (3.9 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Duluth in August

August in Duluth sees highs of 31°C (88°F) and lows of 21°C (70°F) overnight. For most visitors, the main thing to prepare for is the heat during the day. With overnight lows of 21°C (70°F), evenings stay pleasantly warm.

Sunshine in Duluth in August

The city usually sees around 258 hours of sunlight, indicating many sunny days — a great month for sightseeing.

For Duluth itself, April, May and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Duluth's climate page.

Duluth Temperature in August

Min Temperature 21°C (70°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 38%  

Precipitation 99 mm (3.9 in)  

Rainy days 12 days  

Humidity 75% *  

Sunshine 258 hours *  

Percentage Sunshine 62% *  

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

What to Wear in Duluth in August

Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Duluth in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Duluth's climate page.

More climate data for Duluth

Temperature Rainfall Sunshine Humidity

See the full Duluth climate overview or explore weather in the United States of America.