Winner Weather Records

Winner, South Dakota weather averages and records from 1910–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Winner, South Dakota was 115 °F which occurred on July 21, 1934.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Winner, South Dakota was -38 °F which occurred on February 6, 1936.
Lowest Temperatures: All-Time By Year
Winner Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 34.8 13.1 73 -28 0.5 7.3
February 39.0 16.0 78 -38 0.6 6.8
March 49.7 24.8 91 -19 1.2 7.8
April 60.2 34.7 99 1 2.8 8.6
May 71.4 46.4 106 17 3.6 0.0
June 81.4 56.6 110 30 3.8 0.0
July 88.8 62.6 115 40 2.6 0.0
August 87.1 61.1 112 34 2.4 0.0
September 79.5 52.4 108 20 2.1 0.0
October 63.9 39.2 97 -2 1.9 2.1
November 49.1 26.2 89 -13 0.8 7.2
December 36.9 16.4 76 -29 0.7 8.2
Entire year 61.8 37.5 115 -38 22.8 48.4
More Winner Weather Records
1910–2024
Highest daily low 83 °F July 24, 1936
Lowest daily high -18 °F February 8, 1936
Greatest daily range
(Difference of high and low)
74 °F February 1, 1989
Greatest difference in daily high
over two conscutive days
71 °F Feb 1–2, 1989
Most daily precipitation 5.0 inches June 12, 1977
Most monthly precipitation 9.9 inches June 1962
Most yearly precipitation 40.7 inches 1962
Most yearly days with precipitation 97 1986
Earliest snow in season September 25 1939
Latest snow in season May 10 1979
Most daily snow 28.0 inches April 18, 1995
Most monthly snow 51.5 inches April 1995
Most yearly snow 110.0 inches 1995
Most snow in a winter 87.5 inches 1995–1996
Greatest snow accumulation 35.0 inches February 21, 1936
Earliest freeze September 14 1993
Earliest day ≥ 80 °F March 2 1974
Earliest day ≥ 90 °F March 22 1910
Earliest day ≥ 100 °F May 5 2004
Latest freeze June 3 1946
Latest day ≥ 80 °F November 28 2017
Latest day ≥ 90 °F October 30 1950
Latest day ≥ 100 °F September 27 1956
Most days in a year < 0 °F 45 1978
Most days in a year < 32 °F 182 2019
Most days in a year ≥ 80 °F 132 1980
Most days in a year ≥ 90 °F 84 1934
Most days in a year ≥ 100 °F 40 1936
Most days in a year ≥ 110 °F 6 1936
Winner Weather Streaks
Most consecutive days...
With precipitation 10 days May 21–30, 1962
Without precipitation 66 days Sep 20 – Nov 24, 1964
With snow 5 days Nov 23–27, 1993
High temperature at or
below freezing
41 days Jan 1 – Feb 10, 1937
High temperature ≥ 80 °F 79 days Jun 10 – Aug 27, 1949
High temperature ≥ 90 °F 38 days Jul 29 – Sep 4, 1983
High temperature ≥ 100 °F 11 days Jul 2–12, 1936
High temperature ≥ 110 °F 4 days Jul 19–22, 1934
Plant Hardiness Zone
5B
Winner is in plant hardiness zone 5B
based on average yearly minimum temperature from 1991–2020
Winner Weather by Year
More Winner Weather
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Weather Station Details
Years Station Coordinates
1910–2024 Winner location