Aspen Weather in October

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

October is in the fall / autumn in Aspen and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cold 12°C (53°F), whilst at night -8°C (18°F) is normal.

On average October is the 2nd driest month of the year in Aspen with around 34mm 1.3 inches of rain making it a reasonably 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 8.7 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 Aspen in October 2025.