Weather on January 18
Sioux Falls, SD
55 Years of Data
About This Date
January 18th in Sioux Falls, SD typically brings very cold winter weather, with average highs around 28°F and lows near 7°F. Over 56 years of records, the warmest January 18th was in 2013 (37°F average), while the coldest was 1994 (-15°F) — a 52°F range across recorded history. Precipitation has occurred on 30% of recorded January 18th dates, with snow falling 32% of the time (heaviest snowfall: 4.6"). The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
Planning for January 18th 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 | 26° | 0° | 13° | 0.05" | 0.4" |
| 2025 | 14° | -5° | 5° | — | — |
| 2024 | 19° | -1° | 9° | 0.33" | 2.6" |
| 2023 | 26° | 21° | 24° | 0.71" | 2.9" |
| 2022 | 52° | 9° | 31° | — | — |
| 2021 | 32° | 19° | 26° | 0.03" | 0.3" |
| 2020 | 28° | -3° | 13° | 0.08" | 0.5" |
| 2019 | 19° | 4° | 12° | 0.76" | 4.6" |
| 2018 | 40° | 10° | 25° | — | — |
| 2017 | 45° | 17° | 31° | — | — |
| 2016 | 9° | -6° | 2° | — | — |
| 2015 | 47° | 25° | 36° | — | — |
| 2014 | 36° | 17° | 27° | — | 0.1" |
| 2013warmest | 46° | 29° | 37° | — | — |
| 2012 | 31° | -1° | 15° | — | — |
| 2011 | 9° | -4° | 2° | 0.2" | 1.4" |
| 2010 | 25° | 9° | 17° | — | — |
| 2009 | 35° | 17° | 26° | — | — |
| 2008 | 19° | -6° | 7° | — | — |
| 2007 | 25° | 1° | 13° | 0.03" | 0.2" |
| 2006 | 42° | 17° | 30° | — | — |
| 2005 | 40° | 12° | 26° | — | — |
| 2004 | 13° | -3° | 5° | — | — |
| 2003 | 23° | 3° | 13° | — | — |
| 2002 | 23° | -2° | 11° | 0.1" | 0.7" |
| 2001 | 30° | -2° | 14° | — | — |
| 2000 | 41° | 13° | 27° | — | — |
| 1999 | 26° | 11° | 18° | — | — |
| 1998 | 23° | -2° | 11° | — | — |
| 1997 | 29° | -10° | 10° | — | — |
| 1996 | 0° | -16° | -8° | 0.08" | 0.5" |
| 1995 | 32° | 11° | 21° | — | — |
| 1994coldest | -8° | -22° | -15° | — | — |
| 1993 | 23° | 11° | 17° | — | — |
| 1992 | 14° | 5° | 10° | — | — |
| 1991 | 42° | 20° | 31° | — | — |
| 1990 | 32° | 15° | 24° | — | — |
| 1989 | 43° | 29° | 36° | — | — |
| 1988 | 36° | 16° | 26° | 0.15" | 0.6" |
| 1987 | 30° | -2° | 14° | — | — |
| 1986 | 36° | 27° | 31° | — | — |
| 1985 | 30° | 7° | 18° | 0.03" | 0.1" |
| 1984 | 4° | -24° | -10° | — | — |
| 1983 | 17° | -3° | 7° | — | — |
| 1982 | 25° | 14° | 19° | 0.25" | 2.8" |
| 1981 | 43° | 13° | 28° | — | — |
| 1980 | 28° | 23° | 26° | — | — |
| 1979 | 24° | -2° | 11° | 0.64" | 2.8" |
| 1978 | 14° | -3° | 6° | 0.13" | 0.8" |
| 1977 | 13° | -10° | 2° | — | — |
| 1976 | 35° | 18° | 26° | 0.13" | 1" |
| 1975 | 35° | 24° | 30° | 0.05" | 0.2" |
| 1974 | 35° | 5° | 20° | — | — |
| 1973 | 37° | 28° | 33° | — | — |
| 1972 | 36° | 5° | 20° | — | — |
| 1971 | 12° | -9° | 2° | — | — |