Weather on March 18
Sioux Falls, SD
55 Years of Data
About This Date
March 18th in Sioux Falls, SD typically brings chilly spring weather, with average highs around 45°F and lows near 27°F. Over 56 years of records, the warmest March 18th was in 2012 (74°F average), while the coldest was 2023 (12°F) — a 62°F range across recorded history. Precipitation has occurred on 34% of recorded March 18th dates, with snow falling 23% of the time (heaviest snowfall: 9.4"). The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for March 18th in Sioux Falls, SD? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 60° | 20° | 40° | — | — |
| 2025 | 55° | 35° | 45° | — | — |
| 2024 | 44° | 18° | 31° | — | — |
| 2023coldest | 19° | 5° | 12° | — | — |
| 2022 | 50° | 24° | 37° | — | — |
| 2021 | 42° | 25° | 34° | — | — |
| 2020 | 50° | 39° | 45° | 0.08" | — |
| 2019 | 43° | 24° | 34° | — | — |
| 2018 | 41° | 33° | 37° | — | — |
| 2017 | 51° | 24° | 38° | — | — |
| 2016 | 37° | 22° | 30° | 0.05" | 0.4" |
| 2015 | 48° | 36° | 42° | — | — |
| 2014 | 47° | 29° | 38° | 0.64" | 2.9" |
| 2013 | 34° | 12° | 23° | 0.08" | 0.1" |
| 2012warmest | 85° | 63° | 74° | — | — |
| 2011 | 48° | 30° | 39° | — | — |
| 2010 | 58° | 30° | 44° | — | — |
| 2009 | 56° | 29° | 42° | — | — |
| 2008 | 47° | 28° | 37° | — | — |
| 2007 | 54° | 32° | 43° | — | — |
| 2006 | 35° | 24° | 30° | — | — |
| 2005 | 29° | 22° | 25° | 1.85" | 9.4" |
| 2004 | 47° | 32° | 39° | — | — |
| 2003 | 57° | 40° | 48° | — | — |
| 2002 | 38° | 23° | 30° | 1.55" | 6.8" |
| 2001 | 38° | 26° | 32° | 0.03" | — |
| 2000 | 41° | 27° | 34° | 0.08" | 0.3" |
| 1999 | 47° | 22° | 34° | — | — |
| 1998 | 31° | 29° | 30° | 0.15" | 0.7" |
| 1997 | 31° | 24° | 27° | 0.03" | 0.2" |
| 1996 | 33° | 22° | 27° | 0.03" | 0.1" |
| 1995 | 51° | 42° | 47° | 0.23" | — |
| 1994 | 55° | 33° | 44° | — | — |
| 1993 | 26° | 9° | 17° | 0.05" | 0.2" |
| 1992 | 41° | 27° | 34° | — | — |
| 1991 | 57° | 32° | 45° | — | — |
| 1990 | 33° | 20° | 26° | — | — |
| 1989 | 26° | 1° | 14° | — | — |
| 1988 | 43° | 21° | 32° | — | — |
| 1987 | 38° | 33° | 35° | 2.08" | — |
| 1986 | 38° | 31° | 34° | 0.76" | 3.7" |
| 1985 | 63° | 31° | 47° | — | — |
| 1984 | 27° | 20° | 23° | 0.03" | 0.2" |
| 1983 | 32° | 31° | 31° | — | — |
| 1982 | 45° | 33° | 39° | — | — |
| 1981 | 43° | 19° | 31° | — | — |
| 1980 | 62° | 28° | 45° | — | — |
| 1979 | 44° | 36° | 40° | 1.32" | — |
| 1978 | 47° | 28° | 37° | — | — |
| 1977 | 43° | 26° | 34° | — | — |
| 1976 | 67° | 34° | 50° | — | — |
| 1975 | 60° | 25° | 42° | — | — |
| 1974 | 39° | 26° | 33° | 0.84" | — |
| 1973 | 43° | 28° | 35° | — | — |
| 1972 | 46° | 27° | 36° | — | — |
| 1971 | 34° | 25° | 29° | 1.73" | 4.7" |