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Sioux Falls Weather Records

Sioux Falls, South Dakota weather averages and records from 1932–2022 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Sioux Falls, South Dakota was 110 °F which occurred on June 21, 1988.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Sioux Falls, South Dakota was -36 °F which occurred on January 19, 1970.
Lowest Temperatures: All-Time By Year
Sioux Falls Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 26.2 7.7 66 -36 0.6 8.0
February 31.0 11.8 70 -31 0.8 8.6
March 44.0 23.5 88 -23 1.6 7.2
April 57.9 34.6 94 4 3.0 5.1
May 69.7 46.7 104 17 3.9 0.1
June 79.9 57.9 110 33 4.2 0.0
July 84.2 62.6 110 38 3.3 0.0
August 81.8 60.2 109 34 3.3 0.0
September 74.6 51.0 104 22 2.7 0.0
October 60.1 37.3 94 9 2.4 1.4
November 44.0 23.7 82 -17 1.2 6.2
December 30.6 12.6 63 -28 0.8 8.7
Entire year 57.1 35.9 110 -36 27.8 45.2
More Sioux Falls Weather Records
1932–2022
Highest daily low 81 °F August 14, 1938
Lowest daily high -17 °F February 8, 1933
Greatest daily range
(Difference of high and low)
59 °F April 2, 1982
Difference in high temperature
over two conscutive days
50 °F Jan 31 – Feb 1, 1989
Most daily precipitation 5.4 inches August 7, 2022
Most monthly precipitation 13.7 inches June 2014
Most yearly precipitation 39.6 inches 2019
Earliest freeze September 3 1974
Latest freeze May 29 1947
Earliest snow in season September 25 1939
Latest snow in season May 18 1968
Most daily snow 18.1 inches March 10, 1956
Most monthly snow 48.3 inches February 1962
Most yearly snow 78.4 inches 1983
Most days in a year ≥ 80 °F 113 1936
Most days in a year ≥ 90 °F 61 1936
Most days in a year ≥ 100 °F 21 1936
Sioux Falls Weather Streaks
Most consecutive days...
With precipitation 12 days Mar 14–25, 1987
Without precipitation 56 days Sep 22 – Nov 16, 1952
With snow 9 days Feb 27 – Mar 7, 1998
Freezing temperatures
High temperature ≤ 32 °F
66 days Dec 18, 1977 – Feb 21, 1978
High temperature ≥ 80 °F 68 days Jun 23 – Aug 29, 1936
High temperature ≥ 90 °F 18 days Jul 2–19, 1936
High temperature ≥ 100 °F 9 days Jul 9–17, 1936
Sioux Falls Weather by Year
More
Weather Station Details
Years Station Coordinates
1932–2022 Sioux Falls location