Average temperatures, rainfall and packing tips for Denver, United States in October
October in Denver is typically warm, with average daytime highs around 23°C and nights near 6°C. Temperature-wise it sits mid-range for Denver (the 5th warmest month).
Rainfall is light in October: roughly 17 mm across the whole month.
If your dates are flexible, the most comfortable months in Denver are usually September.
← Denver weather tomorrow (live)
In October, Denver averages a daytime high of about 23°C and a night-time low of around 6°C, based on recent historical data.
Rainfall is light in October: roughly 17 mm across the whole month.
October is a workable time to visit Denver, with warm days - just pack accordingly. If your dates are flexible, the most comfortable months in Denver are usually September.