Carroll Average Temperature by Month

This page shows the average temperature in each month of the year in Carroll, Iowa. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Carroll?
In Carroll, Iowa, the warmest month is July, with an average daily high temperature of 84.4 °F and an average low of 63.2 °F.
What's the Coldest Month in Carroll?
In Carroll, Iowa, the coolest month is January, with an average daily high temperature of 27.7 °F and an average low of 9.7 °F.
Month Avg. High Avg. Low
January 27.7 °F 9.7 °F
February 33.2 °F 13.6 °F
March 46.3 °F 25.2 °F
April 60.0 °F 35.9 °F
May 71.3 °F 48.6 °F
June 81.4 °F 59.5 °F
July 84.4 °F 63.2 °F
August 82.3 °F 60.4 °F
September 76.3 °F 51.4 °F
October 62.9 °F 39.2 °F
November 46.5 °F 26.3 °F
December 33.4 °F 15.6 °F
Year 58.9 °F 37.6 °F
Weather Station Details
Years Station Coordinates
1893–2024 Carroll location
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