Cedar Rapids Average Temperature by Month

This page shows the average temperature in each month of the year in Cedar Rapids, Iowa. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Cedar Rapids?
In Cedar Rapids, Iowa, the warmest month is July, with an average daily high temperature of 84.9 °F and an average low of 64.2 °F.
What's the Coldest Month in Cedar Rapids?
In Cedar Rapids, Iowa, the coolest month is January, with an average daily high temperature of 29.6 °F and an average low of 13.4 °F.
Month Avg. High Avg. Low
January 29.6 °F 13.4 °F
February 34.8 °F 17.5 °F
March 48.6 °F 28.4 °F
April 62.9 °F 39.3 °F
May 73.4 °F 50.5 °F
June 82.1 °F 60.5 °F
July 84.9 °F 64.2 °F
August 83.0 °F 62.0 °F
September 77.0 °F 53.9 °F
October 63.9 °F 42.3 °F
November 47.8 °F 30.1 °F
December 34.5 °F 19.4 °F
Year 60.3 °F 40.2 °F
Weather Station Details
Years Station Coordinates
1892–2024 Cedar Rapids #1 location
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