International Falls Weather in August

The climate in International Falls during August can be summarized as mild and a little damp.

August is in the summer in International Falls and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 12°C (53°F) is normal.

On average August is the 4th wettest month of the year in International Falls with around 82mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 9 hours of sunshine per day.

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 International Falls in August 2025.