Cincinnati · August
Run in the morning.
Comfortable average high of 84°F, dipping to 67°F at night. Expect 17 rain days — plan around the radar. Humidity rises with the sun — morning runs catch the driest, coolest window.
Avg high / low
84° / 67°F
Humidity
73%
Rain days
17/mo
Wind
8 mph
What August feels like in Cincinnati
Sunrise
06:52
Mid-month average
Sunset
20:31
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
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 Cincinnati in August
The kit for August in Cincinnati: shorts and a short-sleeve are the standard kit, a water-resistant cap or jacket on standby.
August vs the surrounding months
vs July
-1° avg high
0 rain days
Cincinnati in July →
August
84°F avg high
17 rain days
Best: morning
vs September
+4° avg high
+6 rain days
Cincinnati in September →
Frequently Asked Questions
What is the best time of day to run in Cincinnati in August?+
Morning. Humidity rises with the sun — morning runs catch the driest, coolest window.
What's the average temperature in Cincinnati in August?+
Average high 84°F, average low 67°F.
How does August compare to surrounding months in Cincinnati?+
Compared to July (avg high 85°F), August is cooler. Compared to September (avg high 79°F), August is warmer.
Does it rain often in Cincinnati in August?+
Expect about 17 measurable rain days in August, on average.