Ohio weather in May
May is one of the best months to visit Ohio: highs of 22°C (72°F) and about 105 mm (4.1 in) of rain on average. Nights average 11°C (52°F) and cloud cover 64% (NASA POWER, 2001–2025 averages). It is the wettest month of the year and the 5th warmest. Compared with April, it is warmer and about as wet; June brings highs of 26°C (80°F) and 104 mm (4.1 in) of rain.
Figures are long-term averages for Columbus, the largest city in Ohio. See below for other places.
Is May a good time to visit Ohio?
best month Weather score 70/100.
Yes. May is one of the best months for weather in Ohio.
Does it rain a lot in Ohio in May?
Some rain is normal: about 105 mm (4.1 in) falls in an average May. It is the wettest month of the year.
How warm is Ohio in May?
Days average 22°C (72°F) and nights 11°C (52°F).
Ohio weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 2°C (35°F) | -7°C (20°F) | 65 mm | 78% | least pleasant |
| February | 3°C (38°F) | -6°C (21°F) | 62 mm | 73% | least pleasant |
| March | 9°C (49°F) | -1°C (30°F) | 85 mm | 68% | least pleasant |
| April | 17°C (62°F) | 5°C (40°F) | 95 mm | 63% | fair |
| May | 22°C (72°F) | 11°C (52°F) | 105 mm | 64% | best |
| June | 26°C (80°F) | 16°C (61°F) | 104 mm | 55% | best |
| July | 29°C (84°F) | 18°C (65°F) | 93 mm | 54% | best |
| August | 29°C (84°F) | 17°C (63°F) | 78 mm | 50% | best |
| September | 26°C (78°F) | 13°C (55°F) | 77 mm | 46% | best |
| October | 18°C (64°F) | 6°C (43°F) | 77 mm | 57% | best |
| November | 11°C (51°F) | 0°C (32°F) | 71 mm | 61% | fair |
| December | 4°C (39°F) | -4°C (25°F) | 74 mm | 76% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Ohio in May
Weather can differ a lot within Ohio: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Columbus | 22°C (72°F) | 11°C (52°F) | 105 mm | best |
| Cleveland | 17°C (63°F) | 11°C (51°F) | 96 mm | fair |
| Cincinnati | 23°C (74°F) | 12°C (54°F) | 118 mm | best |
| Toledo | 22°C (71°F) | 10°C (50°F) | 104 mm | best |
| Akron | 21°C (70°F) | 9°C (49°F) | 98 mm | best |
| Dayton | 22°C (72°F) | 11°C (52°F) | 112 mm | best |
| Parma | 17°C (63°F) | 11°C (51°F) | 96 mm | fair |
| Canton | 21°C (70°F) | 9°C (49°F) | 98 mm | best |
| Youngstown | 22°C (71°F) | 9°C (49°F) | 95 mm | best |
| Lorain | 17°C (63°F) | 11°C (51°F) | 96 mm | fair |
| Hamilton | 23°C (73°F) | 12°C (53°F) | 114 mm | best |
| Springfield | 22°C (72°F) | 11°C (52°F) | 108 mm | best |