Mountain Grove Average Temperature by Month

This page shows the average temperature in each month of the year in Mountain Grove, Missouri. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Mountain Grove?
In Mountain Grove, Missouri, the warmest month is July, with an average daily high temperature of 87.1 °F and an average low of 66.5 °F.
What's the Coldest Month in Mountain Grove?
In Mountain Grove, Missouri, the coolest month is January, with an average daily high temperature of 41.4 °F and an average low of 22.4 °F.
Month Avg. High Avg. Low
January 41.4 °F 22.4 °F
February 46.6 °F 25.9 °F
March 55.8 °F 34.2 °F
April 66.2 °F 44.0 °F
May 74.3 °F 53.4 °F
June 82.4 °F 62.4 °F
July 87.1 °F 66.5 °F
August 86.3 °F 65.1 °F
September 79.3 °F 57.1 °F
October 68.1 °F 46.0 °F
November 55.0 °F 35.3 °F
December 44.6 °F 26.5 °F
Year 65.7 °F 45.0 °F
Weather Station Details
Years Station Coordinates
1901–2024 Mtn Grove 2 N location
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