Sisseton Average Temperature by Month

This page shows the average temperature in each month of the year in Sisseton, South Dakota. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Sisseton?
In Sisseton, South Dakota, the warmest month is July, with an average daily high temperature of 82.3 °F and an average low of 61.0 °F.
What's the Coldest Month in Sisseton?
In Sisseton, South Dakota, the coolest month is January, with an average daily high temperature of 22.4 °F and an average low of 4.6 °F.
Month Avg. High Avg. Low
January 22.4 °F 4.6 °F
February 27.0 °F 8.9 °F
March 39.5 °F 20.5 °F
April 55.0 °F 32.8 °F
May 68.4 °F 45.9 °F
June 77.8 °F 56.5 °F
July 82.3 °F 61.0 °F
August 80.3 °F 58.7 °F
September 72.7 °F 49.8 °F
October 57.3 °F 37.0 °F
November 41.1 °F 23.3 °F
December 27.3 °F 10.9 °F
Year 54.4 °F 34.4 °F
Weather Station Details
Years Station Coordinates
1900–2024 Sisseton location
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