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The temperatures in Ohio in August are comfortable with low of 18°C and and high up to 26°C.
You can expect about 3 to 8 days of rain in Ohio during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Ohio in August 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 |