Zanesville Average Temperature by Month

This page shows the average temperature in each month of the year in Zanesville, Ohio. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Zanesville?
In Zanesville, Ohio, the warmest month is July, with an average daily high temperature of 84.1 °F and an average low of 63.5 °F.
What's the Coldest Month in Zanesville?
In Zanesville, Ohio, the coolest month is January, with an average daily high temperature of 37.5 °F and an average low of 21.3 °F.
Month Avg. High Avg. Low
January 37.5 °F 21.3 °F
February 41.2 °F 23.6 °F
March 51.2 °F 31.1 °F
April 63.9 °F 40.8 °F
May 73.1 °F 50.7 °F
June 80.7 °F 59.5 °F
July 84.1 °F 63.5 °F
August 83.0 °F 61.6 °F
September 76.8 °F 54.2 °F
October 64.9 °F 42.8 °F
November 52.5 °F 33.4 °F
December 41.8 °F 26.6 °F
Year 62.8 °F 42.6 °F
Weather Station Details
Years Station Coordinates
1946–2024 Zanesville Municipal Airport location
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