Weather on October 31
Sioux Falls, SD
55 Years of Data
Avg High
52°F
Avg Low
30°F
Warmest
2001
58°F avg
Coldest
2002
21°F avg
About This Date
October 31st in Sioux Falls, SD typically brings cool fall weather, with average highs around 52°F and lows near 30°F. Over 55 years of records, the warmest October 31st was in 2001 (58°F average), while the coldest was 2002 (21°F) — a 37°F range across recorded history. Precipitation has occurred on 24% of recorded October 31st dates, with snow falling 4% of the time (heaviest snowfall: 8.8"). The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
Planning for October 31st in Sioux Falls, SD? Bring layers as temperatures can vary throughout the day.
Cooling Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 45° | 30° | 37° | 0.03" | — |
| 2024 | 50° | 28° | 39° | 1.32" | — |
| 2023 | 35° | 18° | 27° | — | — |
| 2022 | 71° | 28° | 50° | — | — |
| 2021 | 47° | 27° | 37° | — | — |
| 2020 | 62° | 34° | 48° | — | — |
| 2019 | 42° | 16° | 29° | — | — |
| 2018 | 60° | 32° | 46° | — | — |
| 2017 | 39° | 14° | 27° | — | — |
| 2016 | 65° | 45° | 55° | 0.03" | — |
| 2015 | 64° | 39° | 52° | 0.05" | — |
| 2014 | 41° | 19° | 30° | — | — |
| 2013 | 46° | 35° | 41° | — | — |
| 2012 | 59° | 26° | 43° | — | — |
| 2011 | 61° | 21° | 41° | — | — |
| 2010 | 49° | 28° | 38° | — | — |
| 2009 | 48° | 30° | 39° | — | — |
| 2008 | 65° | 33° | 49° | — | — |
| 2007 | 53° | 28° | 41° | — | — |
| 2006 | 35° | 16° | 25° | — | — |
| 2005 | 52° | 34° | 43° | — | — |
| 2004 | 57° | 23° | 40° | — | — |
| 2003 | 38° | 25° | 31° | — | — |
| 2002coldest | 26° | 15° | 21° | — | — |
| 2001warmest | 68° | 48° | 58° | — | — |
| 2000 | 66° | 39° | 53° | 0.53" | — |
| 1999 | 72° | 31° | 51° | — | — |
| 1998 | 48° | 40° | 44° | — | — |
| 1997 | 57° | 37° | 47° | 0.08" | — |
| 1996 | 34° | 16° | 25° | — | — |
| 1995 | 33° | 31° | 32° | 0.86" | 3.5" |
| 1994 | 58° | 22° | 40° | — | — |
| 1993 | 43° | 13° | 28° | — | — |
| 1992 | 43° | 40° | 41° | 1.32" | — |
| 1991 | 26° | 20° | 23° | 2.06" | 8.8" |
| 1990 | 76° | 33° | 54° | — | — |
| 1989 | 52° | 19° | 35° | — | — |
| 1988 | 63° | 33° | 48° | — | — |
| 1987 | 53° | 38° | 45° | 0.05" | — |
| 1986 | 56° | 32° | 44° | 0.18" | — |
| 1985 | 56° | 24° | 40° | — | — |
| 1984 | 42° | 30° | 36° | — | — |
| 1983 | 55° | 47° | 51° | — | — |
| 1982 | 53° | 33° | 43° | — | — |
| 1981 | 65° | 34° | 49° | — | — |
| 1980 | 56° | 28° | 42° | — | — |
| 1979 | 50° | 35° | 43° | 1.3" | — |
| 1978 | 55° | 26° | 41° | — | — |
| 1977 | 61° | 38° | 49° | — | — |
| 1976 | 60° | 23° | 42° | — | — |
| 1975 | 67° | 44° | 55° | — | — |
| 1974 | 64° | 50° | 57° | — | — |
| 1973 | 51° | 30° | 41° | — | — |
| 1972 | 37° | 33° | 35° | 0.05" | — |
| 1971 | 50° | 24° | 37° | — | — |
55 years of data from SIOUX FALLS