Weather on May 12
Sioux Falls, SD
55 Years of Data
About This Date
May 12th in Sioux Falls, SD typically brings mild spring weather, with average highs around 67°F and lows near 44°F. Over 56 years of records, the warmest May 12th was in 2022 (78°F average), while the coldest was 1996 (40°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 45% of May 12th dates historically, with the wettest May 12th recording 2.62" of rain. The last decade has been 11.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 11.3°F warmer on this date compared to 20-30 years ago.
Planning for May 12th in Sioux Falls, SD? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 75° | 51° | 63° | — | — |
| 2025 | 87° | 60° | 74° | — | — |
| 2024 | 86° | 57° | 72° | 0.28" | — |
| 2023 | 74° | 63° | 68° | 0.79" | — |
| 2022warmest | 94° | 62° | 78° | 0.38" | — |
| 2021 | 67° | 40° | 53° | — | — |
| 2020 | 56° | 37° | 46° | — | — |
| 2019 | 57° | 45° | 51° | 0.03" | — |
| 2018 | 55° | 45° | 50° | — | — |
| 2017 | 79° | 40° | 59° | — | — |
| 2016 | 62° | 42° | 52° | — | — |
| 2015 | 62° | 35° | 49° | — | — |
| 2014 | 52° | 43° | 47° | 0.3" | — |
| 2013 | 63° | 26° | 45° | — | — |
| 2012 | 69° | 42° | 56° | — | — |
| 2011 | 59° | 44° | 52° | 0.79" | — |
| 2010 | 45° | 41° | 43° | 0.43" | — |
| 2009 | 67° | 55° | 61° | — | — |
| 2008 | 74° | 46° | 60° | — | — |
| 2007 | 82° | 54° | 68° | 0.05" | — |
| 2006 | 64° | 37° | 51° | — | — |
| 2005 | 48° | 43° | 45° | 2.62" | — |
| 2004 | 73° | 42° | 58° | 1.09" | — |
| 2003 | 66° | 36° | 51° | — | — |
| 2002 | 54° | 42° | 48° | — | — |
| 2001 | 64° | 39° | 52° | — | — |
| 2000 | 63° | 37° | 50° | 0.03" | — |
| 1999 | 63° | 41° | 52° | — | — |
| 1998 | 65° | 44° | 54° | 0.03" | — |
| 1997 | 54° | 30° | 42° | — | — |
| 1996coldest | 43° | 38° | 40° | 0.13" | — |
| 1995 | 64° | 47° | 55° | 0.46" | — |
| 1994 | 78° | 42° | 60° | — | — |
| 1993 | 81° | 50° | 65° | — | — |
| 1992 | 71° | 47° | 59° | — | — |
| 1991 | 86° | 62° | 74° | 0.58" | — |
| 1990 | 58° | 43° | 50° | 0.13" | — |
| 1989 | 77° | 50° | 64° | — | — |
| 1988 | 87° | 46° | 67° | — | — |
| 1987 | 81° | 45° | 63° | — | — |
| 1986 | 70° | 51° | 60° | 0.43" | — |
| 1985 | 70° | 46° | 58° | 0.08" | — |
| 1984 | 72° | 42° | 57° | — | — |
| 1983 | 64° | 40° | 52° | 0.53" | — |
| 1982 | 68° | 50° | 59° | 1.52" | — |
| 1981 | 55° | 46° | 51° | 0.71" | — |
| 1980 | 62° | 34° | 48° | 0.18" | — |
| 1979 | 66° | 35° | 51° | — | — |
| 1978 | 57° | 47° | 52° | 0.81" | — |
| 1977 | 81° | 59° | 70° | — | — |
| 1976 | 66° | 41° | 54° | 0.3" | — |
| 1975 | 70° | 39° | 54° | — | — |
| 1974 | 60° | 40° | 50° | — | — |
| 1973 | 60° | 37° | 49° | — | — |
| 1972 | 61° | 52° | 56° | 1.27" | — |
| 1971 | 70° | 26° | 48° | — | — |
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.