Flandreau Average Temperature by Month

This page shows the average temperature in each month of the year in Flandreau, South Dakota. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Flandreau?
In Flandreau, South Dakota, the warmest month is July, with an average daily high temperature of 81.3 °F and an average low of 60.1 °F.
What's the Coldest Month in Flandreau?
In Flandreau, South Dakota, the coolest month is January, with an average daily high temperature of 22.7 °F and an average low of 3.3 °F.
Month Avg. High Avg. Low
January 22.7 °F 3.3 °F
February 27.4 °F 7.1 °F
March 39.5 °F 19.3 °F
April 54.2 °F 31.6 °F
May 66.9 °F 44.8 °F
June 76.7 °F 56.1 °F
July 81.3 °F 60.1 °F
August 79.0 °F 57.1 °F
September 72.2 °F 47.9 °F
October 58.0 °F 34.2 °F
November 41.2 °F 21.1 °F
December 27.3 °F 9.4 °F
Year 53.8 °F 32.8 °F
Weather Station Details
Years Station Coordinates
1893–2024 Flandreau location
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