Rainy days · Ohio
How often does it rain in Cincinnati?
Cincinnati gets its rain in big, chilli-sized servings, usually with seconds.
Cincinnati gets measurable rain or snow on about 136 days a year, adding up to about 45 inches.
November usually brings Cincinnati about 10 wet days and 3.2 inches. The wettest month is usually May, with about 14 wet days, and the driest is September, with about 8 wet days. That makes Cincinnati number 23 of the 129 US cities we track, rainiest first.
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Rainy days, month by month
| Month | Wet days | Inches |
|---|---|---|
| January | 13 | 3.3 |
| February | 12 | 3.2 |
| March | 13 | 4.2 |
| April | 13 | 4.5 |
| May | 14 | 4.7 |
| June | 12 | 4.7 |
| July | 11 | 3.8 |
| August | 9 | 3.4 |
| September | 8 | 3.1 |
| October | 9 | 3.4 |
| November | 10 | 3.2 |
| December | 12 | 3.7 |
Cities with about as many rainy days
- Fort Wayne, Indiana: about 135 wet days a year
- Detroit, Michigan: about 136 wet days a year
- Dayton, Ohio: about 134 wet days a year
Source: NOAA daily precipitation records for the Cincinnati area, 1991 to 2020 (at least 30 complete years behind every month), via the Applied Climate Information System. A wet day here means at least a hundredth of an inch of rain or melted snow.