Gunnison Average Temperature by Month

This page shows the average temperature in each month of the year in Gunnison, Colorado. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Gunnison?
In Gunnison, Colorado, the warmest month is July, with an average daily high temperature of 80.1 °F and an average low of 44.4 °F.
What's the Coldest Month in Gunnison?
In Gunnison, Colorado, the coolest month is January, with an average daily high temperature of 25.9 °F and an average low of -6.6 °F.
Month Avg. High Avg. Low
January 25.9 °F -6.6 °F
February 30.9 °F 0.6 °F
March 44.4 °F 14.2 °F
April 56.1 °F 22.9 °F
May 65.9 °F 30.6 °F
June 76.1 °F 37.0 °F
July 80.1 °F 44.4 °F
August 77.6 °F 42.9 °F
September 70.6 °F 34.0 °F
October 60.0 °F 21.9 °F
November 44.2 °F 11.0 °F
December 28.4 °F -2.3 °F
Year 55.1 °F 21.1 °F
Weather Station Details
Years Station Coordinates
1893–2024 Gunnison 3SW location
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