Denver · October
Run in the morning.
Cool month: average high 66°F, low 38°F. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
66° / 38°F
Humidity
51%
Rain days
7/mo
Wind
10 mph
What October feels like in Denver
Sunrise
07:12
Mid-month average
Sunset
18:19
Mid-month average
Time-of-day breakdown
Morning
Steady cool air, low wind, and good light. The standard runner window in most months.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in Denver in October
The kit for October in Denver: a long-sleeve or light jacket for the first mile.
October vs the surrounding months
vs September
-15° avg high
0 rain days
Denver in September →
October
66°F avg high
7 rain days
Best: morning
vs November
+13° avg high
+1 rain days
Denver in November →
Frequently Asked Questions
What is the best time of day to run in Denver in October?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Denver in October?+
Average high 66°F, average low 38°F.
How does October compare to surrounding months in Denver?+
Compared to September (avg high 81°F), October is cooler. Compared to November (avg high 52°F), October is warmer.
Does it rain often in Denver in October?+
Expect about 7 measurable rain days in October, on average.