Duluth Weather in August

What's the weather like in Duluth (Minnesota) in August 2024?

The climate in Duluth during August can be summarized as warm and damp.

August is in the summer in Duluth and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 12°C (54°F) is normal.

Duluth weather averages (imperial / metric)
Daytime temperature 24.1°C 75.4°F
Nightly temperature 12.3°C 54.1°F
Average temperature 18.2°C 64.8°F
Daily sunshine 9.4 hrs
Avg rainfall 100 mm 3.9 ins
Rainy days 11 days
Sea temperature 16.4°C 61.5°F
Humidity 74%
Windspeed 14.4kph 9 mph

On average August is the wettest month of the year in Duluth with around 100mm 3.9 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.4 hours of sunshine per day.

August temperatures in Duluth

Duluth average temperature in August

August rainfall

Duluth average rain in August

August hourly sunshine

Duluth average rain in August

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Duluth in August 2024.