Jefferson City Average Temperature by Month

This page shows the average temperature in each month of the year in Jefferson City, Missouri. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Jefferson City?
In Jefferson City, Missouri, the warmest month is July, with an average daily high temperature of 88.0 °F and an average low of 68.6 °F.
What's the Coldest Month in Jefferson City?
In Jefferson City, Missouri, the coolest month is January, with an average daily high temperature of 39.6 °F and an average low of 21.0 °F.
Month Avg. High Avg. Low
January 39.6 °F 21.0 °F
February 44.9 °F 24.6 °F
March 55.5 °F 33.8 °F
April 66.6 °F 43.8 °F
May 75.2 °F 54.7 °F
June 83.8 °F 64.3 °F
July 88.0 °F 68.6 °F
August 87.4 °F 66.7 °F
September 79.7 °F 57.8 °F
October 68.5 °F 45.8 °F
November 55.0 °F 34.6 °F
December 43.7 °F 25.6 °F
Year 65.8 °F 45.3 °F
Weather Station Details
Years Station Coordinates
1893–2024 Jefferson City Water Treatment Plant location
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