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Cincinnati Weather by Month
Average temperatures, rainfall and humidity for Cincinnati, United States, month by month, built from OpenWeather's historical records. Use it to see what a typical Cincinnati month looks like before you travel — then check the live Cincinnati forecast for the days ahead.
Warmest month
July
30°C average high
Coolest month
January
-4°C average low
Wettest month
April
98 mm of rain
Driest month
January
51 mm of rain
Average temperature and rainfall in Cincinnati by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 4°C | -4°C | -23°C / 19°C | 51 mm | 74% | 11 km/h |
| February | 7°C | -2°C | -27°C / 26°C | 52 mm | 71% | 12 km/h |
| March | 13°C | 2°C | -18°C / 30°C | 84 mm | 65% | 13 km/h |
| April | 19°C | 8°C | -5°C / 29°C | 98 mm | 65% | 12 km/h |
| May | 24°C | 13°C | -2°C / 32°C | 82 mm | 72% | 10 km/h |
| June | 28°C | 18°C | 7°C / 35°C | 88 mm | 73% | 9 km/h |
| July | 30°C | 20°C | 11°C / 36°C | 77 mm | 77% | 8 km/h |
| August | 29°C | 19°C | 10°C / 36°C | 76 mm | 77% | 7 km/h |
| September | 27°C | 15°C | 6°C / 34°C | 58 mm | 75% | 8 km/h |
| October | 20°C | 9°C | -4°C / 34°C | 70 mm | 74% | 9 km/h |
| November | 12°C | 3°C | -14°C / 27°C | 55 mm | 73% | 10 km/h |
| December | 8°C | 0°C | -22°C / 21°C | 66 mm | 77% | 10 km/h |
Best time to visit Cincinnati
The most comfortable time to visit Cincinnati is generally May and September to October, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around April, totalling about 856 mm a year.
Travellers who prefer heat should aim for July, when highs average 30°C. April is the month to avoid if rain would spoil your plans — it averages 98 mm, roughly 2× the rainfall of January.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Cincinnati forecast for what is happening now.