St. Louis · October
Run in the morning.
Cool month: average high 68°F, low 51°F. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
68° / 51°F
Humidity
68%
Rain days
12/mo
Wind
12 mph
What October feels like in St. Louis
Sunrise
07:11
Mid-month average
Sunset
18:22
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 St. Louis in October
The kit for October in St. Louis: shorts and a short-sleeve are the standard kit.
October vs the surrounding months
vs September
-13° avg high
+1 rain days
St. Louis in September →
October
68°F avg high
12 rain days
Best: morning
vs November
+14° avg high
+1 rain days
St. Louis in November →
Frequently Asked Questions
What is the best time of day to run in St. Louis in October?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in St. Louis in October?+
Average high 68°F, average low 51°F.
How does October compare to surrounding months in St. Louis?+
Compared to September (avg high 81°F), October is cooler. Compared to November (avg high 54°F), October is warmer.
Does it rain often in St. Louis in October?+
Expect about 12 measurable rain days in October, on average.