Kansas City · August
Run in the pre-dawn.
Average high is 86°F with a 69°F overnight low. Humid heat punishes mid-morning — get out before sunrise for the only truly comfortable window.
Avg high / low
86° / 69°F
Humidity
71%
Rain days
14/mo
Wind
10 mph
What August feels like in Kansas City
Sunrise
06:32
Mid-month average
Sunset
20:11
Mid-month average
Time-of-day breakdown
Morning
Coolest, driest air of the day. The window before sunrise is the most reliable comfortable hour.
Midday
Heat peaks here. Skip unless you've got shade and pace tolerance.
Evening
Cools off after sunset but still warm. Good for easy efforts; avoid hard intervals if you're chasing pace.
What to wear running in Kansas City in August
The kit for August in Kansas City: light, breathable, and moisture-wicking — singlet or short-sleeve only, a water-resistant cap or jacket on standby.
August vs the surrounding months
vs July
-2° avg high
0 rain days
Kansas City in July →
August
86°F avg high
14 rain days
Best: pre-dawn
vs September
+5° avg high
+5 rain days
Kansas City in September →
Frequently Asked Questions
What is the best time of day to run in Kansas City in August?+
Pre-dawn. Humid heat punishes mid-morning — get out before sunrise for the only truly comfortable window.
What's the average temperature in Kansas City in August?+
Average high 86°F, average low 69°F.
How does August compare to surrounding months in Kansas City?+
Compared to July (avg high 88°F), August is cooler. Compared to September (avg high 81°F), August is warmer.
Does it rain often in Kansas City in August?+
Expect about 14 measurable rain days in August, on average.