Cincinnati · May
Run in the morning.
Comfortable average high of 74°F, dipping to 56°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
74° / 56°F
Humidity
71%
Rain days
17/mo
Wind
10 mph
What May feels like in Cincinnati
Sunrise
06:25
Mid-month average
Sunset
20:44
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 May
The kit for May in Cincinnati: shorts and a short-sleeve are the standard kit, a water-resistant cap or jacket on standby.
May vs the surrounding months
vs April
+10° avg high
+2 rain days
Cincinnati in April →
May
74°F avg high
17 rain days
Best: morning
vs June
-8° avg high
+1 rain days
Cincinnati in June →
Frequently Asked Questions
What is the best time of day to run in Cincinnati in May?+
Morning. Humidity rises with the sun — morning runs catch the driest, coolest window.
What's the average temperature in Cincinnati in May?+
Average high 74°F, average low 56°F.
How does May compare to surrounding months in Cincinnati?+
Compared to April (avg high 64°F), May is warmer. Compared to June (avg high 82°F), May is cooler.
Does it rain often in Cincinnati in May?+
Expect about 17 measurable rain days in May, on average.