ClimateAverages

Cincinnati Climate

Ohio, United States of America · population 296,943 · 365 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
18.1°C
Warmest month · July
30.3°C
Typical daytime high
Coldest month · January
-5.9°C
Typical overnight low

Cincinnati has an average annual daytime high of 18.1°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 30.3°C, and its coldest is January, with overnight lows near -5.9°C.

Month by month averages

MonthAvg highAvg low
January3.8°C-5.9°CColdest
February6.1°C-4.7°C
March11.7°C0.2°C
April18.6°C5.7°C
May23.9°C10.9°C
June28.4°C15.7°C
July30.3°C17.9°CWarmest
August29.8°C17.1°C
September26.6°C13.4°C
October19.9°C6.5°C
November12.2°C1.4°C
December6.1°C-3.3°C

Temperature range across the year

-8°2°12°22°32°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2016
+2.4°C vs. 1951–1980
Coldest year on record
1787
-3.0°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Cincinnati getting hotter?

Since 1900, Cincinnati's average temperature has risen by +1.9°C. Compared to the earliest station records that begin in 1750, warming totals +2.3°C.

11.8°12.4°13.0°13.6°14.2°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
April to October

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Cincinnati?

Cincinnati's average annual daytime high is 18.1°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 30.3°C, and the coldest is January, with lows averaging -5.9°C.

What is the warmest month in Cincinnati?

July is the warmest month in Cincinnati, with typical daytime highs of 30.3°C.

What is the hottest year on record for Cincinnati?

2016 is the hottest year on record for Cincinnati, running +2.4°C above the 1951 to 1980 baseline.

Is Cincinnati getting hotter?

Yes. Since 1900, Cincinnati has warmed by roughly +1.9°C.

When is the best time to visit Cincinnati?

April to October typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.