Click on a day for an hourly weather forecast
The temperatures in Cincinnati in May are comfortable with low of 12°C and and high up to 23°C.
You can expect rain for roughly half of the month of May in Cincinnati. 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 Cincinnati in May 2025.
If you’re planning to visit Cincinnati in the near future, we highly recommend that you review the 14 day weather forecast for Cincinnati before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -5° | 7 | 12 | 12 | 106 mm | Awful | Cincinnati in January |
| February | 5° / -4° | 8 | 10 | 11 | 123 mm | Awful | Cincinnati in February |
| March | 11° / 2° | 8 | 17 | 6 | 133 mm | Awful | Cincinnati in March |
| April | 17° / 6° | 9 | 20 | 2 | 179 mm | Bad | Cincinnati in April |
| May | 23° / 12° | 10 | 21 | 0 | 180 mm | Good | Cincinnati in May |
| June | 28° / 16° | 7 | 23 | 0 | 166 mm | Good | Cincinnati in June |
| July | 29° / 18° | 9 | 22 | 0 | 162 mm | Ok | Cincinnati in July |
| August | 29° / 17° | 7 | 24 | 0 | 124 mm | Ok | Cincinnati in August |
| September | 26° / 14° | 6 | 24 | 0 | 107 mm | Perfect | Cincinnati in September |
| October | 19° / 8° | 6 | 25 | 0 | 112 mm | Good | Cincinnati in October |
| November | 11° / 2° | 6 | 21 | 3 | 104 mm | Bad | Cincinnati in November |
| December | 6° / -1° | 8 | 14 | 9 | 125 mm | Awful | Cincinnati in December |