Weather on November 21
Sioux Falls, SD
55 Years of Data
Avg High
40°F
Avg Low
20°F
Warmest
2012
56°F avg
Coldest
1985
9°F avg
About This Date
November 21st in Sioux Falls, SD typically brings chilly fall weather, with average highs around 40°F and lows near 20°F. Over 55 years of records, the warmest November 21st was in 2012 (56°F average), while the coldest was 1985 (9°F) — a 47°F range across recorded history. Precipitation has occurred on 24% of recorded November 21st dates, with snow falling 7% of the time (heaviest snowfall: 8.5"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for November 21st in Sioux Falls, SD? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 48° | 23° | 36° | — | — |
| 2024 | 35° | 23° | 29° | — | — |
| 2023 | 47° | 25° | 36° | — | — |
| 2022 | 41° | 22° | 32° | — | — |
| 2021 | 39° | 19° | 29° | — | — |
| 2020 | 45° | 17° | 31° | — | — |
| 2019 | 45° | 18° | 32° | 0.03" | — |
| 2018 | 41° | 21° | 31° | — | — |
| 2017 | 40° | 12° | 26° | — | — |
| 2016 | 39° | 20° | 30° | 0.03" | — |
| 2015 | 20° | 6° | 13° | — | — |
| 2014 | 35° | 11° | 23° | — | — |
| 2013 | 31° | 15° | 23° | 0.05" | 0.7" |
| 2012warmest | 70° | 42° | 56° | — | — |
| 2011 | 43° | 20° | 31° | — | — |
| 2010 | 30° | 25° | 27° | 0.03" | — |
| 2009 | 55° | 23° | 39° | — | — |
| 2008 | 30° | 5° | 18° | — | — |
| 2007 | 32° | 20° | 26° | — | — |
| 2006 | 56° | 27° | 41° | — | — |
| 2005 | 47° | 32° | 39° | — | — |
| 2004 | 40° | 19° | 29° | — | — |
| 2003 | 33° | 21° | 27° | — | — |
| 2002 | 42° | 24° | 33° | — | — |
| 2001 | 64° | 25° | 44° | — | — |
| 2000 | 23° | -3° | 10° | — | — |
| 1999 | 48° | 30° | 39° | — | — |
| 1998 | 47° | 28° | 37° | — | — |
| 1997 | 33° | 20° | 26° | 0.03" | — |
| 1996 | 23° | 14° | 19° | — | — |
| 1995 | 36° | 23° | 29° | — | — |
| 1994 | 39° | 15° | 27° | 0.18" | — |
| 1993 | 57° | 31° | 44° | — | — |
| 1992 | 34° | 30° | 32° | — | — |
| 1991 | 47° | 35° | 41° | 0.05" | — |
| 1990 | 62° | 25° | 43° | — | — |
| 1989 | 39° | 20° | 29° | — | — |
| 1988 | 40° | 17° | 28° | — | — |
| 1987 | 51° | 26° | 39° | — | — |
| 1986 | 44° | 18° | 31° | — | — |
| 1985coldest | 19° | -2° | 9° | 0.2" | 1.7" |
| 1984 | 46° | 26° | 36° | — | — |
| 1983 | 38° | 27° | 32° | 0.03" | 0.1" |
| 1982 | 35° | 21° | 28° | 0.15" | — |
| 1981 | 28° | 10° | 19° | — | — |
| 1980 | 56° | 17° | 36° | — | — |
| 1979 | 35° | 29° | 32° | 2.29" | 8.5" |
| 1978 | 16° | 6° | 11° | — | — |
| 1977 | 20° | 7° | 13° | — | — |
| 1976 | 34° | 23° | 28° | — | — |
| 1975 | 25° | 6° | 15° | — | — |
| 1974 | 51° | 18° | 34° | — | — |
| 1973 | 42° | 24° | 33° | 0.08" | — |
| 1972 | 35° | 22° | 28° | 0.03" | — |
| 1971 | 31° | 20° | 25° | — | — |
55 years of data from SIOUX FALLS