Weldon Spring Average Temperature by Month

This page shows the average temperature in each month of the year in Weldon Spring, Missouri. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Weldon Spring?
In Weldon Spring, Missouri, the warmest month is July, with an average daily high temperature of 87.5 °F and an average low of 67.1 °F.
What's the Coldest Month in Weldon Spring?
In Weldon Spring, Missouri, the coolest month is January, with an average daily high temperature of 39.9 °F and an average low of 21.8 °F.
Month Avg. High Avg. Low
January 39.9 °F 21.8 °F
February 44.9 °F 25.2 °F
March 55.6 °F 33.8 °F
April 67.2 °F 43.6 °F
May 76.1 °F 54.0 °F
June 83.9 °F 63.2 °F
July 87.5 °F 67.1 °F
August 86.6 °F 65.0 °F
September 80.6 °F 57.5 °F
October 68.5 °F 45.8 °F
November 55.6 °F 35.2 °F
December 44.1 °F 26.1 °F
Year 66.0 °F 45.0 °F
Weather Station Details
Years Station Coordinates
1957–2024 Weldon Spring NWS location
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