Webster City Average Temperature by Month

This page shows the average temperature in each month of the year in Webster City, Iowa. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Webster City?
In Webster City, Iowa, the warmest month is July, with an average daily high temperature of 83.5 °F and an average low of 61.5 °F.
What's the Coldest Month in Webster City?
In Webster City, Iowa, the coolest month is January, with an average daily high temperature of 27.1 °F and an average low of 7.8 °F.
Month Avg. High Avg. Low
January 27.1 °F 7.8 °F
February 31.7 °F 12.0 °F
March 45.0 °F 24.5 °F
April 59.8 °F 35.0 °F
May 70.8 °F 47.5 °F
June 80.3 °F 58.0 °F
July 83.5 °F 61.5 °F
August 81.3 °F 58.8 °F
September 75.6 °F 49.9 °F
October 62.6 °F 37.3 °F
November 46.2 °F 25.3 °F
December 33.1 °F 14.2 °F
Year 58.2 °F 36.2 °F
Weather Station Details
Years Station Coordinates
1893–2024 Webster City location
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