Weather on February 20
Sioux Falls, SD
55 Years of Data
Avg High
35°F
Avg Low
16°F
Warmest
1981
45°F avg
Coldest
2008
-9°F avg
About This Date
February 20th in Sioux Falls, SD typically brings cold winter weather, with average highs around 35°F and lows near 16°F. Over 56 years of records, the warmest February 20th was in 1981 (45°F average), while the coldest was 2008 (-9°F) — a 54°F range across recorded history. Precipitation has occurred on 23% of recorded February 20th dates, with snow falling 20% of the time (heaviest snowfall: 7.2"). The last decade has been 7.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 7.9°F cooler on this date compared to 20-30 years ago.
Planning for February 20th in Sioux Falls, SD? Bundle up with warm layers and protect extremities from the cold. Check road conditions if traveling, as snow is possible.
Cooling Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 24° | 8° | 16° | — | 0.3" |
| 2025 | 12° | -14° | -1° | — | — |
| 2024 | 58° | 22° | 40° | — | — |
| 2023 | 39° | 11° | 25° | — | — |
| 2022 | 57° | 18° | 38° | — | — |
| 2021 | 27° | -4° | 12° | — | — |
| 2020 | 26° | -4° | 11° | — | — |
| 2019 | 22° | 8° | 15° | 1.17" | 7.2" |
| 2018 | 14° | 1° | 8° | 0.41" | 2.5" |
| 2017 | 57° | 32° | 45° | 0.41" | — |
| 2016 | 45° | 29° | 37° | — | — |
| 2015 | 46° | 13° | 30° | — | — |
| 2014 | 37° | 16° | 27° | 0.05" | — |
| 2013 | 23° | -5° | 9° | — | — |
| 2012 | 37° | 33° | 35° | 1.19" | 0.4" |
| 2011 | 28° | 22° | 25° | 1.4" | 1.6" |
| 2010 | 28° | 10° | 19° | — | — |
| 2009 | 36° | 12° | 24° | — | 0.1" |
| 2008coldest | 1° | -19° | -9° | — | — |
| 2007 | 42° | 17° | 30° | — | — |
| 2006 | 38° | 8° | 23° | — | — |
| 2005 | 36° | 24° | 30° | 0.08" | — |
| 2004 | 34° | 25° | 29° | — | — |
| 2003 | 52° | 34° | 43° | — | — |
| 2002 | 46° | 26° | 36° | — | — |
| 2001 | 16° | -2° | 7° | — | — |
| 2000 | 55° | 12° | 34° | — | — |
| 1999 | 31° | 14° | 22° | 0.08" | 0.7" |
| 1998 | 35° | 32° | 34° | — | — |
| 1997 | 38° | 31° | 34° | — | — |
| 1996 | 43° | 26° | 34° | — | — |
| 1995 | 42° | 26° | 34° | — | — |
| 1994 | 24° | 9° | 16° | — | — |
| 1993 | 19° | 14° | 17° | — | — |
| 1992 | 35° | 21° | 28° | — | — |
| 1991 | 49° | 27° | 38° | — | — |
| 1990 | 45° | 21° | 33° | — | — |
| 1989 | 28° | 13° | 20° | 0.1" | 0.6" |
| 1988 | 25° | 3° | 14° | — | — |
| 1987 | 40° | 13° | 26° | — | — |
| 1986 | 7° | 0° | 3° | — | — |
| 1985 | 51° | 33° | 42° | — | — |
| 1984 | 38° | 15° | 26° | — | — |
| 1983 | 35° | 28° | 32° | — | — |
| 1982 | 47° | 31° | 39° | — | — |
| 1981warmest | 65° | 25° | 45° | — | — |
| 1980 | 35° | 33° | 34° | — | — |
| 1979 | 29° | 19° | 24° | 0.28" | 1.4" |
| 1978 | 20° | 3° | 11° | 0.05" | 0.4" |
| 1977 | 40° | 20° | 30° | — | — |
| 1976 | 39° | 27° | 33° | 0.36" | 2.3" |
| 1975 | 35° | 4° | 19° | — | — |
| 1974 | 41° | 31° | 36° | 0.33" | — |
| 1973 | 38° | 18° | 28° | — | — |
| 1972 | 41° | 10° | 26° | — | — |
| 1971 | 24° | 20° | 22° | — | — |
56 years of data from SIOUX FALLS