Butte Weather in October

The climate in Butte during October can be summarized as cool and dry.

October is in the fall / autumn in Butte and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night -3°C (27°F) is normal.

On average October is the 4th driest month of the year in Butte with around 22mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.2 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 Butte in October 2025.