Maryville Average Temperature by Month

This page shows the average temperature in each month of the year in Maryville, Missouri. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Maryville?
In Maryville, Missouri, the warmest month is July, with an average daily high temperature of 86.7 °F and an average low of 65.5 °F.
What's the Coldest Month in Maryville?
In Maryville, Missouri, the coolest month is January, with an average daily high temperature of 33.9 °F and an average low of 14.1 °F.
Month Avg. High Avg. Low
January 33.9 °F 14.1 °F
February 39.3 °F 18.0 °F
March 51.5 °F 29.0 °F
April 63.2 °F 39.2 °F
May 73.4 °F 51.5 °F
June 82.2 °F 61.4 °F
July 86.7 °F 65.5 °F
August 85.5 °F 63.1 °F
September 78.1 °F 53.4 °F
October 66.1 °F 41.5 °F
November 50.6 °F 29.4 °F
December 38.3 °F 19.1 °F
Year 62.4 °F 40.4 °F
Weather Station Details
Years Station Coordinates
1894–2024 Maryville 2E location
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