Flandreau Average Rainfall by Month

This page shows the average precipitation (including snowfall) in each month of the year in Flandreau, South Dakota. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Flandreau?
In Flandreau, June has the greatest precipitation of any month. On average, Flandreau gets 4.5 inches of precipitation in June.
June is also the month where rain is most common. 32.6% of days in June will have at least some rain.
What's the Driest Month in Flandreau?
In Flandreau, January has the least precipitation of any month. On average, Flandreau gets 0.54 inches of precipitation in January.
November is the month with the lowest chance of precipitation. 15.0% of days in November will have measurable rain or snow.
Month Precipitation % Chance
January 0.54 in 17.3
February 0.76 in 19.6
March 1.36 in 18.9
April 2.67 in 26.4
May 4.07 in 32.3
June 4.46 in 32.6
July 3.85 in 24.5
August 3.49 in 22.9
September 3.07 in 21.0
October 2.28 in 19.4
November 1.01 in 15.0
December 0.85 in 18.3
Year 27.91 in 22.3
Weather Station Details
Years Station Coordinates
1893–2024 Flandreau location