Ottawa Average Temperature by Month

This page shows the average temperature in each month of the year in Ottawa, Kansas. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Ottawa?
In Ottawa, Kansas, the warmest month is July, with an average daily high temperature of 90.0 °F and an average low of 68.6 °F.
What's the Coldest Month in Ottawa?
In Ottawa, Kansas, the coolest month is January, with an average daily high temperature of 41.1 °F and an average low of 20.8 °F.
Month Avg. High Avg. Low
January 41.1 °F 20.8 °F
February 46.2 °F 24.5 °F
March 57.5 °F 33.9 °F
April 67.4 °F 44.1 °F
May 76.1 °F 54.5 °F
June 85.1 °F 64.3 °F
July 90.0 °F 68.6 °F
August 89.0 °F 66.1 °F
September 80.9 °F 57.5 °F
October 69.4 °F 45.4 °F
November 55.5 °F 33.9 °F
December 44.3 °F 24.7 °F
Year 67.0 °F 45.0 °F
Weather Station Details
Years Station Coordinates
1895–2024 Ottawa location
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