Weather on October 17
Sioux Falls, SD
55 Years of Data
Avg High
60°F
Avg Low
37°F
Warmest
1971
67°F avg
Coldest
1976
29°F avg
About This Date
October 17th in Sioux Falls, SD typically brings mild fall weather, with average highs around 60°F and lows near 37°F. Over 55 years of records, the warmest October 17th was in 1971 (67°F average), while the coldest was 1976 (29°F) — a 38°F range across recorded history. Precipitation has occurred on 20% of recorded October 17th dates, with snow falling 2% of the time (heaviest snowfall: 1.2"). The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
Planning for October 17th in Sioux Falls, SD? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 50° | 59° | — | — |
| 2024 | 74° | 48° | 61° | — | — |
| 2023 | 73° | 33° | 53° | — | — |
| 2022 | 44° | 24° | 34° | — | — |
| 2021 | 73° | 34° | 53° | — | — |
| 2020 | 61° | 36° | 48° | — | — |
| 2019 | 68° | 35° | 52° | — | — |
| 2018 | 57° | 30° | 44° | — | — |
| 2017 | 78° | 36° | 57° | — | — |
| 2016 | 69° | 53° | 61° | 0.03" | — |
| 2015 | 58° | 41° | 49° | — | — |
| 2014 | 55° | 45° | 50° | — | — |
| 2013 | 54° | 32° | 43° | — | — |
| 2012 | 66° | 42° | 54° | — | — |
| 2011 | 57° | 33° | 45° | — | — |
| 2010 | 59° | 30° | 45° | — | — |
| 2009 | 48° | 37° | 43° | — | — |
| 2008 | 49° | 36° | 42° | 0.61" | — |
| 2007 | 60° | 45° | 52° | 0.43" | — |
| 2006 | 56° | 38° | 47° | — | — |
| 2005 | 72° | 45° | 58° | — | — |
| 2004 | 58° | 34° | 46° | — | — |
| 2003 | 66° | 36° | 51° | — | — |
| 2002 | 50° | 30° | 40° | — | — |
| 2001 | 62° | 27° | 44° | — | — |
| 2000 | 67° | 32° | 49° | — | — |
| 1999 | 50° | 27° | 38° | — | — |
| 1998 | 56° | 40° | 48° | 0.03" | — |
| 1997 | 64° | 42° | 53° | — | — |
| 1996 | 48° | 35° | 42° | 1.83" | — |
| 1995 | 67° | 41° | 54° | — | — |
| 1994 | 70° | 60° | 65° | 3.58" | — |
| 1993 | 59° | 43° | 51° | — | — |
| 1992 | 45° | 24° | 34° | — | — |
| 1991 | 68° | 40° | 54° | — | — |
| 1990 | 51° | 30° | 41° | 0.46" | 1.2" |
| 1989 | 51° | 26° | 39° | — | — |
| 1988 | 55° | 33° | 44° | 0.03" | — |
| 1987 | 68° | 33° | 51° | — | — |
| 1986 | 66° | 36° | 51° | — | — |
| 1985 | 62° | 44° | 53° | — | — |
| 1984 | 56° | 31° | 43° | — | — |
| 1983 | 65° | 27° | 46° | — | — |
| 1982 | 73° | 49° | 61° | — | — |
| 1981 | 58° | 43° | 50° | 0.94" | — |
| 1980 | 45° | 38° | 41° | 0.03" | — |
| 1979 | 63° | 35° | 49° | — | — |
| 1978 | 63° | 39° | 51° | — | — |
| 1977 | 60° | 33° | 47° | — | — |
| 1976coldest | 45° | 13° | 29° | — | — |
| 1975 | 65° | 32° | 48° | — | — |
| 1974 | 76° | 39° | 57° | — | — |
| 1973 | 67° | 42° | 54° | — | — |
| 1972 | 36° | 24° | 30° | 0.08" | — |
| 1971warmest | 73° | 61° | 67° | — | — |
55 years of data from SIOUX FALLS