Click on a day for an hourly weather forecast
The temperatures in Ohio in May are usually low and can range between 11°C and 19°C.
You can expect rain for roughly half of the month of May in Ohio. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Ohio in May 2025.
If you’re planning to visit Ohio in the near future, we highly recommend that you review the 14 day weather forecast for Ohio before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -1° / -6° | 5 | 5 | 21 | 101 mm | Awful | Ohio in January |
| February | 0° / -6° | 5 | 5 | 19 | 100 mm | Awful | Ohio in February |
| March | 6° / -1° | 8 | 12 | 11 | 118 mm | Awful | Ohio in March |
| April | 12° / 4° | 9 | 16 | 5 | 144 mm | Awful | Ohio in April |
| May | 19° / 11° | 10 | 21 | 0 | 161 mm | Ok | Ohio in May |
| June | 24° / 16° | 8 | 22 | 0 | 181 mm | Good | Ohio in June |
| July | 27° / 19° | 8 | 23 | 0 | 147 mm | Good | Ohio in July |
| August | 26° / 18° | 6 | 25 | 0 | 124 mm | Perfect | Ohio in August |
| September | 23° / 15° | 6 | 24 | 0 | 121 mm | Perfect | Ohio in September |
| October | 16° / 9° | 9 | 22 | 0 | 134 mm | Ok | Ohio in October |
| November | 8° / 3° | 7 | 14 | 9 | 101 mm | Awful | Ohio in November |
| December | 3° / -1° | 5 | 10 | 16 | 112 mm | Awful | Ohio in December |