Yankton County, SD
Tuesday : a low of 62.3°F averaged over Yankton County, SD, the warmest 29 September night in the county average since the data begin in 1951 (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- High
- 72°F
- Warmest since 2025
- 37th warmest of 76
- Low
- 62.3°F
- Warmest since the data begin
- Warmest of 76
- Precipitation
- 0.02 in
- Wettest since 2015
- 17th wettest of 76
- Normal range, 34.6 to 51.4°F
Every year as a table
Every 29 September high of the county average in Yankton County, SD since 1951: 72°F in 2026; the highest is 92.2°F, in 2021.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 72 | 62.3 |
| 2025 | 85.3 | 49.1 |
| 2024 | 89.3 | 50.9 |
| 2023 | 84.3 | 57.6 |
| 2022 | 70.1 | 41.1 |
| 2021 | 92.2 | 58.4 |
| 2020 | 61.8 | 40.3 |
| 2019 | 65.2 | 45.2 |
| 2018 | 54.5 | 38 |
| 2017 | 76.7 | 45.3 |
| 2016 | 65.5 | 39.2 |
| 2015 | 73.9 | 50 |
| 2014 | 80.5 | 57.4 |
| 2013 | 70.7 | 45.9 |
| 2012 | 79.7 | 38.7 |
| 2011 | 83.7 | 45.7 |
| 2010 | 75.1 | 48.9 |
| 2009 | 64.1 | 33.7 |
| 2008 | 75.4 | 44.7 |
| 2007 | 79.2 | 44.2 |
| 2006 | 59 | 37.8 |
| 2005 | 62.8 | 35.6 |
| 2004 | 68.7 | 38.4 |
| 2003 | 58.3 | 35.1 |
| 2002 | 61.2 | 49.3 |
| 2001 | 78.2 | 46.6 |
| 2000 | 83.6 | 51.3 |
| 1999 | 64.8 | 32.8 |
| 1998 | 86.4 | 52.6 |
| 1997 | 74.5 | 50.3 |
| 1996 | 67.7 | 38.8 |
| 1995 | 82.7 | 57.6 |
| 1994 | 74.4 | 41.3 |
| 1993 | 63.9 | 34.7 |
| 1992 | 59.2 | 32.5 |
| 1991 | 77.5 | 41.1 |
| 1990 | 66.4 | 47.7 |
| 1989 | 81.8 | 44.1 |
| 1988 | 64.1 | 53.8 |
| 1987 | 70.6 | 46.6 |
| 1986 | 80.3 | 49.1 |
| 1985 | 40 | 34.5 |
| 1984 | 50.2 | 25 |
| 1983 | 84 | 60.4 |
| 1982 | 85.2 | 54.4 |
| 1981 | 77 | 45.3 |
| 1980 | 79 | 54.6 |
| 1979 | 74.4 | 43.8 |
| 1978 | 82 | 50.1 |
| 1977 | 72.6 | 51.4 |
| 1976 | 63.3 | 31.7 |
| 1975 | 64.8 | 38.4 |
| 1974 | 63.1 | 35 |
| 1973 | 59.8 | 50.1 |
| 1972 | 58.1 | 36.4 |
| 1971 | 73.4 | 43.6 |
| 1970 | 81.4 | 42.7 |
| 1969 | 77.2 | 50.7 |
| 1968 | 66.3 | 44.1 |
| 1967 | 69.8 | 33.1 |
| 1966 | 68.5 | 46.4 |
| 1965 | 51.6 | 42.6 |
| 1964 | 69.1 | 38.2 |
| 1963 | 68.9 | 39.1 |
| 1962 | 66.5 | 45.5 |
| 1961 | 68.2 | 40.9 |
| 1960 | 68.2 | 43.8 |
| 1959 | 57.1 | 37.9 |
| 1958 | 76.9 | 45.8 |
| 1957 | 77.9 | 48.7 |
| 1956 | 66.8 | 40 |
| 1955 | 74.6 | 48.1 |
| 1954 | 70.3 | 48.4 |
| 1953 | 78.6 | 52.1 |
| 1952 | 82.6 | 44.4 |
| 1951 | 63.2 | 33.5 |
The month
September 2026 so far averaged 68.5°F in Yankton County, SD, the warmest 1 to 29 September in the county average since 2024, 5th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
The month in words
- August 2026 averaged 73.5°F in Yankton County, SD, the warmest August in the county average since 2023, tied 38th warmest of 132 (with 2020 and 1905) (county average from NOAA's monthly county data, 1895 to 2026).
- Tuesday 29 September 2026: a high of 72°F averaged over Yankton County, SD, the warmest 29 September in the county average since 2025, 37th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: 0.02 in of precipitation averaged over Yankton County, SD, the wettest 29 September in the county average since 2015, tied 17th wettest of 76 (with 2002 and 1990) (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Sioux Falls, SD 50.7 mi, the nearest city with its own station