Duluth
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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.

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).

Duluth Weather by Month

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

Best Places in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

Duluth 3-Day Forecast

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.