Duluth (MN)
August
Weather in Duluth, Minnesota for August 2025
Your guide to Duluth weather in August - trends and predictions
Meteorological - Air Quality Alert - See hour by hour.
The forecast for the next days in Duluth predicts temperatures to be around 24 °F, close to the historical average.
In general, the average temperature in Duluth at the beginning of August is 24.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 23.3 °F by the end of August.
Duluth in August brings notable rainfall, with an average of 17 rainy days and a total precipitation of 111.9 mm.
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Temperatures
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14
Dry days
17
Rainy days
0
Snow days
23°/15°
Temperatures
16 km/h
Avg max wind
76 %
Avg humidity
Duluth Weather August
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Temperatures trend during August in Duluth
See the weather trend as well as the moving average line
August weather in Duluth day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Sunny | 28° /10° | 0 mm | 1.7 | |
| Aug. 2 | Sunny | 28° /14° | 0 mm | 1.9 | |
| Aug. 3 |  Partly cloudy | 24° /15° | 0 mm | 1.2 | |
| Aug. 4 |  Moderate rain | 17° /16° | 17 mm | 0.4 | |
| Aug. 5 |  Patchy rain possible | 22° /17° | 0.1 mm | 0 | |
| Aug. 6 | Patchy rain possible | 29° /18° | 2.5 mm | 5 | |
| Aug. 7 | Patchy rain possible | 26° /22° | 1.6 mm | 5 | |
| Aug. 8 | Sunny | 27° /19° | 0 mm | 6 | |
| Aug. 9 | Patchy rain possible | 23° /18° | 3.4 mm | 4 | |
| Aug. 10 | Patchy rain possible | 23° /17° | 1 mm | 4 | |
| Aug. 11 | Patchy rain possible | 17° /14° | 3.9 mm | 4 | |
| Aug. 12 | Sunny | 22° /11° | 0 mm | 5 | |
| Aug. 13 | Sunny | 25° /14° | 0 mm | 5 | |
| Aug. 14 | Patchy rain possible | 25° /15° | 0.6 mm | 4 | |
| Aug. 15 |  Moderate or heavy rain shower | 20° /17° | 35.3 mm | 5 | |
| Aug. 16 | Moderate rain at times | 21° /17° | 2.2 mm | 5 | |
| Aug. 17 | Patchy rain possible | 23° /17° | 2.8 mm | 5 | |
| Aug. 18 | Patchy rain possible | 24° /16° | 0.3 mm | 5 | |
| Aug. 19 | Patchy rain possible | 22° /15° | 0.2 mm | 5 | |
| Aug. 20 | Sunny | 19° /13° | 0 mm | 5 | |
| Aug. 21 | Partly cloudy | 23° /13° | 0 mm | 6 | |
| Aug. 22 | Moderate or heavy rain shower | 23° /13° | 6.7 mm | 5 | |
| Aug. 23 |  Heavy rain at times | 26° /16° | 3.4 mm | 6 | |
| Aug. 24 | Partly cloudy | 25° /18° | 0 mm | 7 | |
| Aug. 25 |  Overcast | 23° /17° | 0 mm | 5 | |
| Aug. 26 | Moderate or heavy rain shower | 28° /19° | 6.7 mm | 6 | |
| Aug. 27 | Moderate or heavy rain shower | 22° /16° | 24.7 mm | 5 | |
| Aug. 28 | Patchy rain possible | 16° /14° | 0.1 mm | 4 | |
| Aug. 29 | Moderate or heavy rain shower | 23° /14° | 14 mm | 5 | |
| Aug. 30 | Sunny | 24° /14° | 0.4 mm | 6 | |
| Aug. 31 | Partly cloudy | 27° /14° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Duluth in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Duluth forecast closer to your planned date for the most up-to-date weather information.
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Duluth in August - FAQ
What are the expected maximum and minimum temperatures in Duluth during August?
During August, expect a variety of temperatures with highs around 23° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Duluth during August?
Significant rainfall exceeding 111.9 mm is expected in Duluth during August, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Duluth during August?
The average wind speed in Duluth during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Duluth
Explore the daily rainfall trends and prepare for Duluths August weather 💧
UV exposure in Duluth during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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