Weather on January 20
Sioux Falls, SD
55 Years of Data
About This Date
January 20th in Sioux Falls, SD typically brings very cold winter weather, with average highs around 24°F and lows near 6°F. Over 56 years of records, the warmest January 20th was in 2017 (38°F average), while the coldest was 1984 (-12°F) — a 50°F range across recorded history. Precipitation has occurred on 32% of recorded January 20th dates, with snow falling 29% of the time (heaviest snowfall: 5.3"). The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.
Planning for January 20th in Sioux Falls, SD? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 23° | -5° | 9° | 0.18" | 0.9" |
| 2025 | -2° | -13° | -7° | — | — |
| 2024 | 4° | -19° | -7° | — | — |
| 2023 | 27° | 16° | 22° | — | — |
| 2022 | 13° | -6° | 4° | — | — |
| 2021 | 47° | 17° | 32° | — | — |
| 2020 | 9° | -10° | 0° | — | — |
| 2019 | 6° | 1° | 4° | 0.05" | 0.7" |
| 2018 | 45° | 22° | 34° | — | — |
| 2017warmest | 40° | 37° | 38° | — | — |
| 2016 | 26° | 17° | 22° | — | — |
| 2015 | 39° | 29° | 34° | 0.03" | 0.4" |
| 2014 | 35° | -8° | 14° | 0.05" | 0.4" |
| 2013 | 10° | -2° | 4° | 0.23" | 1.9" |
| 2012 | 10° | -9° | 1° | 1.17" | 4.6" |
| 2011 | 7° | -9° | -1° | — | — |
| 2010 | 28° | 20° | 24° | 0.53" | 0.3" |
| 2009 | 28° | 19° | 24° | — | — |
| 2008 | 6° | -14° | -4° | 0.18" | 0.6" |
| 2007 | 29° | 3° | 16° | — | — |
| 2006 | 31° | 25° | 28° | — | — |
| 2005 | 31° | 24° | 27° | — | — |
| 2004 | 22° | 13° | 17° | 0.05" | 0.5" |
| 2003 | 19° | 1° | 10° | 0.05" | 0.5" |
| 2002 | 36° | 12° | 24° | — | — |
| 2001 | 21° | -6° | 8° | — | — |
| 2000 | 19° | -9° | 5° | — | — |
| 1999 | 32° | 16° | 24° | 0.15" | — |
| 1998 | 22° | 17° | 19° | 0.56" | 5.3" |
| 1997 | 34° | 14° | 24° | — | — |
| 1996 | 15° | -1° | 7° | — | — |
| 1995 | 16° | 10° | 13° | — | — |
| 1994 | 13° | -20° | -4° | — | — |
| 1993 | 24° | 12° | 18° | 0.41" | 1.9" |
| 1992 | 48° | 19° | 34° | — | — |
| 1991 | 28° | -4° | 12° | — | 0.2" |
| 1990 | 29° | 15° | 22° | — | — |
| 1989 | 33° | 14° | 24° | — | — |
| 1988 | 22° | -3° | 10° | 0.2" | 1.1" |
| 1987 | 29° | 3° | 16° | — | — |
| 1986 | 42° | 21° | 32° | — | — |
| 1985 | 9° | -22° | -7° | — | — |
| 1984coldest | -2° | -23° | -12° | — | — |
| 1983 | 25° | 23° | 24° | — | — |
| 1982 | 11° | -3° | 4° | 0.1" | 1" |
| 1981 | 37° | 14° | 26° | — | — |
| 1980 | 38° | 14° | 26° | — | — |
| 1979 | 21° | 14° | 18° | 0.15" | 0.7" |
| 1978 | 5° | -22° | -8° | — | — |
| 1977 | 27° | 3° | 15° | — | — |
| 1976 | 35° | -5° | 15° | — | — |
| 1975 | 37° | 2° | 19° | 0.46" | — |
| 1974 | 34° | 24° | 29° | — | — |
| 1973 | 29° | 23° | 26° | 0.03" | — |
| 1972 | 13° | -1° | 6° | — | — |
| 1971 | 31° | 12° | 21° | — | — |