Cincinnati Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Cincinnati, Ohio during each month of the year.

The average high and low temperatures are listed below monthly and annually for Cincinnati, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 70, 80 or 90 °F each month in Cincinnati, scroll down farther. There are also monthly and yearly counts of days with cold weather.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1991 to 2020 weather.

10-year temperature averages for Cincinnati, 2010 to 2019
High °F Low °F   High °C Low °C
40 22 January 4 -5
44 25 February 7 -4
54 33 March 12 1
67 43 April 20 6
77 54 May 25 12
84 61 June 29 16
87 66 July 30 19
86 63 August 30 17
80 57 September 27 14
68 45 October 20 7
54 32 November 12 0
45 29 December 7 -2
66 44 Year 19 7
30-year temperature averages for Cincinnati, 1991 to 2020
High °F Low °F   High °C Low °C
40 23 January 4 -5
44 26 February 7 -3
54 34 March 12 1
66 44 April 19 7
75 54 May 24 12
83 62 June 28 17
86 66 July 30 19
85 65 August 30 18
79 57 September 26 14
67 46 October 19 8
54 35 November 12 2
43 28 December 6 -2
64 45 Year 18 7

Days of Hot Weather in Cincinnati

The temperature at Cincinnati climbs into the 90s Fahrenheit for 22 days a year on average, scattered through late spring and during summer. The thermometer doesn't normally reach 100 °F (38 °C) here.

Days per month in Cincinnati of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 0 0 0
February 0 0 0
March 3 0 0
April 12 2 0
May 22 11 0
June 29 21 4
July 31 27 8
August 31 26 7
September 26 14 3
October 13 3 0
November 2 0 0
December 0 0 0
Year 168 105 22

How Often Cincinnati Has Cold Temperatures

The coldest nights of winter at Cincinnati drop down to 0 °F (-18 °C) or below. But the city averages only three nights a year when its that chilly.

From November to March, Cincinnati can remain below freezing all day long. The city typically has 22 days a year when the temperature never rises above 32 °F.

Days per month on average in Cincinnati when the minimum temperature drops to 10, 20, or 32 °F or below
  10 °F
-12 °C
20 °F
-8 °C
32 °F
0 °C
January 5 13 24
February 3 8 21
March 0 3 15
April 0 0 4
May 0 0 0
June 0 0 0
July 0 0 0
August 0 0 0
September 0 0 0
October 0 0 2
November 0 2 13
December 2 7 21
Year 10 32 100
References

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

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