Jefferson City Average Rainfall by Month

This page shows the average precipitation (including snowfall) in each month of the year in Jefferson City, Missouri. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Jefferson City?
In Jefferson City, May has the greatest precipitation of any month. On average, Jefferson City gets 5.2 inches of precipitation in May.
May is also the month where rain is most common. 39.5% of days in May will have at least some rain.
What's the Driest Month in Jefferson City?
In Jefferson City, February has the least precipitation of any month. On average, Jefferson City gets 2.13 inches of precipitation in February.
January is the month with the lowest chance of precipitation. 25.5% of days in January will have measurable rain or snow.
Month Precipitation % Chance
January 2.26 in 25.5
February 2.13 in 26.3
March 3.15 in 35.5
April 4.77 in 38.3
May 5.16 in 39.5
June 4.19 in 32.3
July 4.39 in 27.3
August 4.07 in 26.2
September 4.17 in 26.0
October 3.57 in 30.3
November 3.22 in 28.4
December 2.29 in 25.5
Year 43.25 in 30.3
Weather Station Details
Years Station Coordinates
1893–2024 Jefferson City Water Treatment Plant location