Weather on October 16
Sioux Falls, SD
55 Years of Data
Avg High
60°F
Avg Low
36°F
Warmest
2025
71°F avg
Coldest
1976
32°F avg
About This Date
October 16th in Sioux Falls, SD typically brings mild fall weather, with average highs around 60°F and lows near 36°F. Over 55 years of records, the warmest October 16th was in 2025 (71°F average), while the coldest was 1976 (32°F) — a 39°F range across recorded history. Precipitation has occurred on 25% of recorded October 16th dates, with snow falling 2% of the time (heaviest snowfall: 1.5"). The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
Planning for October 16th in Sioux Falls, SD? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 81° | 61° | 71° | 0.03" | — |
| 2024 | 64° | 25° | 45° | — | — |
| 2023 | 64° | 36° | 50° | — | — |
| 2022 | 50° | 33° | 42° | — | — |
| 2021 | 68° | 34° | 51° | — | — |
| 2020 | 54° | 34° | 44° | — | — |
| 2019 | 52° | 37° | 44° | — | — |
| 2018 | 61° | 36° | 48° | — | — |
| 2017 | 75° | 31° | 53° | — | — |
| 2016 | 74° | 40° | 57° | 0.03" | — |
| 2015 | 55° | 29° | 42° | — | — |
| 2014 | 71° | 49° | 60° | — | — |
| 2013 | 55° | 32° | 44° | — | — |
| 2012 | 74° | 50° | 62° | — | — |
| 2011 | 57° | 35° | 46° | — | — |
| 2010 | 62° | 38° | 50° | — | — |
| 2009 | 41° | 35° | 38° | 0.08" | — |
| 2008 | 57° | 27° | 42° | 0.08" | — |
| 2007 | 54° | 46° | 50° | 0.79" | — |
| 2006 | 58° | 54° | 56° | 0.05" | — |
| 2005 | 74° | 41° | 57° | — | — |
| 2004 | 47° | 25° | 36° | — | — |
| 2003 | 50° | 30° | 40° | — | — |
| 2002 | 42° | 27° | 34° | 0.53" | 1.5" |
| 2001 | 50° | 27° | 38° | — | — |
| 2000 | 54° | 34° | 44° | 0.28" | — |
| 1999 | 54° | 31° | 42° | — | — |
| 1998 | 67° | 56° | 61° | 3.56" | — |
| 1997 | 61° | 31° | 46° | — | — |
| 1996 | 74° | 39° | 56° | 1.3" | — |
| 1995 | 67° | 39° | 53° | — | — |
| 1994 | 62° | 57° | 60° | 0.41" | — |
| 1993 | 56° | 45° | 50° | — | — |
| 1992 | 42° | 29° | 35° | — | — |
| 1991 | 84° | 49° | 66° | — | — |
| 1990 | 71° | 31° | 51° | — | — |
| 1989 | 49° | 36° | 42° | — | — |
| 1988 | 62° | 44° | 53° | — | — |
| 1987 | 47° | 39° | 43° | 0.03" | — |
| 1986 | 71° | 38° | 54° | — | — |
| 1985 | 62° | 36° | 49° | — | — |
| 1984 | 45° | 35° | 40° | 0.53" | — |
| 1983 | 62° | 35° | 49° | — | — |
| 1982 | 57° | 30° | 44° | — | — |
| 1981 | 63° | 37° | 50° | — | — |
| 1980 | 65° | 43° | 54° | 2.44" | — |
| 1979 | 69° | 41° | 55° | — | — |
| 1978 | 53° | 24° | 39° | — | — |
| 1977 | 62° | 26° | 44° | — | — |
| 1976coldest | 44° | 19° | 32° | — | — |
| 1975 | 60° | 30° | 45° | — | — |
| 1974 | 77° | 30° | 54° | — | — |
| 1973 | 48° | 31° | 39° | — | — |
| 1972 | 60° | 34° | 47° | — | — |
| 1971 | 74° | 46° | 60° | — | — |
55 years of data from SIOUX FALLS