Cincinnati, OH Climate & Monthly Averages
The climate of Cincinnati
A 25°C spread between its warmest and coolest months puts Cincinnati among the more strongly seasonal places we cover. July averages 85°F (30°C) by day; January averages 40°F (4°C), with nights at 25°F (-4°C).
Climate quick facts
- Hottest month: July - highs near 85°F (30°C)
- Coldest month: January - highs near 40°F (4°C)
- Decade extremes (2015-2024): 98°F (36°C) high · -23°F (-31°C) low
- Wettest month: March (12 rainy days) · Sunniest: June (11.7 h sun/day)
- Climate type: humid subtropical
- Annual swing: 25°C between the average warmest and coolest month · day to night: 10°C
- Snow: about 10 days a year
- Months with freezing average lows: 3
- Average humidity: 70%
Temperatures through the year
Snow falls on roughly 10 days a year, mostly November through April. January is the coolest month, with highs of 40°F (4°C) and lows near 25°F (-4°C). At its warmest, in July, Cincinnati runs to 85°F (30°C) in the afternoon and back to 68°F (20°C) by dawn. The gridded 2015-2024 daily record for this location tops out at 98°F (36°C) and bottoms at -23°F (-31°C) - decade extremes, not all-time station records. Between the average July and the average January lie 25°C, a wider spread than roughly 81% of the cities we track.
Rain, sun and snow
The wettest month is March (4.6 inches (118 mm) across 12 days) and the driest October. Overnight lows average at or below freezing for 3 months, December through February. June is the brightest month at 11.7 hours of sun a day, against an annual average of 8.6.
How Cincinnati compares
- Cincinnati sits close to the middle of our dataset on most measures: 56°F (13°C) as an annual average, 45.9 inches (1167 mm) of precipitation and 8.6 hours of sun a day.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 40° | 25° | 11 | 3.5 in | 5.3 h/day | 70% |
| February | 46° | 28° | 10 | 3.8 in | 6.5 h/day | 68% |
| March | 54° | 35° | 12 | 4.6 in | 7.6 h/day | 66% |
| April | 64° | 44° | 13 | 4.5 in | 8.9 h/day | 66% |
| May | 74° | 56° | 14 | 4.4 in | 10.0 h/day | 71% |
| June | 82° | 64° | 12 | 4.5 in | 11.7 h/day | 68% |
| July | 85° | 68° | 13 | 4.3 in | 11.7 h/day | 72% |
| August | 84° | 66° | 12 | 3.7 in | 11.2 h/day | 72% |
| September | 80° | 62° | 8 | 3.2 in | 10.0 h/day | 70% |
| October | 68° | 50° | 9 | 2.9 in | 8.3 h/day | 69% |
| November | 54° | 38° | 9 | 3.1 in | 6.5 h/day | 70% |
| December | 46° | 31° | 10 | 3.4 in | 5.1 h/day | 73% |
Cincinnati month by month
Cincinnati weather in January
January brings highs around 40°F (4°C), lows near 25°F (-4°C), about 11 wet days and roughly 3 snowy days - typically the coldest month of the year in Cincinnati.
Cincinnati weather in February
February brings highs around 46°F (8°C), lows near 28°F (-2°C), about 10 wet days and roughly 3 snowy days.
Cincinnati weather in March
March brings highs around 54°F (12°C), lows near 35°F (2°C), about 12 wet days and roughly 1 snowy days - typically the wettest month of the year in Cincinnati.
Cincinnati weather in April
April brings highs around 64°F (18°C), lows near 44°F (7°C), about 13 wet days.
Cincinnati weather in May
May brings highs around 74°F (23°C), lows near 56°F (13°C), about 14 wet days.
Cincinnati weather in June
June brings highs around 82°F (28°C), lows near 64°F (18°C), about 12 wet days - typically the sunniest month of the year in Cincinnati.
Cincinnati weather in July
July brings highs around 85°F (30°C), lows near 68°F (20°C), about 13 wet days - typically the hottest month of the year in Cincinnati.
Cincinnati weather in August
August brings highs around 84°F (29°C), lows near 66°F (19°C), about 12 wet days.
Cincinnati weather in September
September brings highs around 80°F (26°C), lows near 62°F (16°C), about 8 wet days.
Cincinnati weather in October
October brings highs around 68°F (20°C), lows near 50°F (10°C), about 9 wet days - typically the driest month of the year in Cincinnati.
Cincinnati weather in November
November brings highs around 54°F (12°C), lows near 38°F (3°C), about 9 wet days.
Cincinnati weather in December
December brings highs around 46°F (8°C), lows near 31°F (0°C), about 10 wet days and roughly 1 snowy days.
Seasons in Cincinnati
Spring (March through May)
Through spring, Cincinnati stays on the cool side of mild: 64°F (18°C) by day, 45°F (7°C) after dark, and rain falls on around 39 of the 90 days.
Summer (June through August)
Summer sits firmly in the heat here - highs near 84°F (29°C), nights near 66°F (19°C), and rain falls on around 38 of the 90 days. Daylight is generous - around 11.5 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
Fall (September through November)
Through fall, Cincinnati is crisp but comfortable: 67°F (19°C) by day, 50°F (10°C) after dark, and expect showers on roughly 26 days across the season.
Winter (December through February)
Winter stays firmly cold here - highs near 44°F (7°C), nights near 28°F (-2°C), and rain falls on around 32 of the 90 days, plus about 7 snowy days.
Climate questions, answered
What should I pack for Cincinnati?
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How sunny is Cincinnati?
Best time to visit Cincinnati
August to November and March is the sweet spot for Cincinnati - warm days, manageable rainfall and plenty of daylight line up. Expect 68°F (20°C) in the afternoon and around 10 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in August.
Pack for Cincinnati with light clothing for the warm months, a heavy insulated coat, hat and gloves for winter and a compact umbrella or rain shell. July nights average 68°F (20°C), so evenings rarely match the afternoons.
Cincinnati temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.