Ironwood Average Temperature by Month

This page shows the average temperature in each month of the year in Ironwood, Michigan. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Ironwood?
In Ironwood, Michigan, the warmest month is July, with an average daily high temperature of 76.3 °F and an average low of 55.7 °F.
What's the Coldest Month in Ironwood?
In Ironwood, Michigan, the coolest month is January, with an average daily high temperature of 20.1 °F and an average low of 3.7 °F.
Month Avg. High Avg. Low
January 20.1 °F 3.7 °F
February 24.5 °F 4.3 °F
March 35.7 °F 14.1 °F
April 48.3 °F 27.5 °F
May 62.8 °F 40.8 °F
June 72.3 °F 51.0 °F
July 76.3 °F 55.7 °F
August 74.6 °F 53.7 °F
September 66.7 °F 46.0 °F
October 52.4 °F 34.6 °F
November 37.2 °F 22.8 °F
December 25.4 °F 11.0 °F
Year 49.8 °F 30.6 °F
Weather Station Details
Years Station Coordinates
1901–2024 Ironwood location
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