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" |
Sioux Falls, SD Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Sioux Falls, SD Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Sioux Falls, SD Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Sioux Falls, SD
Sioux Falls, SD has no months that meet our "pleasant" threshold — every season has tradeoffs.