Thief River Falls Weather in October

The climate in Thief River Falls during October can be summarized as cool and reasonably dry.

October is in the fall / autumn in Thief River Falls and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 0°C (33°F) is normal.

On average October is the 6th wettest month of the year in Thief River Falls with around 38mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.6 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 Thief River Falls in October 2025.