Average May Temperatures for Ohio

Average temperatures for May at cities, towns, parks and lakes throughout Ohio are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for Northern Ohio and Southern Ohio.

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Northern Ohio

Average May temperatures
High °F	Low °F	Place	High °C	Low °C
72	50	Akron	22	10
71	47	Ashland	22	9
69	46	Ashtabula	20	8
69	46	Chardon	20	8
69	47	Chippewa Lake	21	8
71	51	Cleveland	22	11
72	51	Findlay	22	10
72	49	Fremont	22	10
72	50	Lima	22	10
71	50	Mansfield	22	10
72	50	Marion	22	10
71	47	Mount Vernon	22	8
72	48	New Philadelphia	22	9
70	50	Norwalk	21	10
69	51	Painesville on the Lake	21	11
69	53	Sandusky	20	12
72	49	Steubenville	22	9
72	50	Tiffin	22	10
73	51	Toledo	23	11
72	48	Wooster	22	9
71	48	Youngstown	22	9

Southern Ohio

Average daily temperatures in May
High °F	Low °F	Place	High °C	Low °C
72	50	Athens	22	10
74	52	Chillicothe	23	11
75	52	Chilo Lock Park	24	11
75	54	Cincinnati	24	12
74	52	Columbus	23	11
75	53	Dayton	24	12
75	52	Gallipolis	24	11
73	52	Greenville	23	11
73	48	Hannibal Lock & Dam	23	9
75	52	Marietta	24	11
73	49	McConnelsville Lock	23	9
73	48	Newark	23	9
76	52	Portsmouth	24	11
73	49	Springfield	23	10
73	51	Wilmington	23	11
74	51	Zanesville	23	11

Average Temperatures for Ohio in May

Northern Ohio

Southern Ohio

Reference

More Ohio Weather Information