Cleveland · May
Run in the morning.
Cool month: average high 66°F, low 52°F. Humidity averages 75% — the limiting factor on most runs. Expect 15 rain days — plan around the radar. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
66° / 52°F
Humidity
75%
Rain days
15/mo
Wind
14 mph
What May feels like in Cleveland
Sunrise
06:07
Mid-month average
Sunset
20:39
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 Cleveland in May
The kit for May in Cleveland: shorts and a short-sleeve are the standard kit, a water-resistant cap or jacket on standby.
May vs the surrounding months
vs April
+12° avg high
-3 rain days
Cleveland in April →
May
66°F avg high
15 rain days
Best: morning
vs June
-9° avg high
-1 rain days
Cleveland in June →
Frequently Asked Questions
What is the best time of day to run in Cleveland in May?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Cleveland in May?+
Average high 66°F, average low 52°F.
How does May compare to surrounding months in Cleveland?+
Compared to April (avg high 55°F), May is warmer. Compared to June (avg high 75°F), May is cooler.
Does it rain often in Cleveland in May?+
Expect about 15 measurable rain days in May, on average.