Weather on April 15
Sioux Falls, SD
55 Years of Data
Avg High
60°F
Avg Low
36°F
Warmest
2002
76°F avg
Coldest
2018
25°F avg
About This Date
April 15th in Sioux Falls, SD typically brings mild spring weather, with average highs around 60°F and lows near 36°F. Over 55 years of records, the warmest April 15th was in 2002 (76°F average), while the coldest was 2018 (25°F) — a 51°F range across recorded history. Precipitation has occurred on 47% of recorded April 15th dates, with snow falling 5% of the time. The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.
Planning for April 15th in Sioux Falls, SD? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 30° | 47° | — | — |
| 2024 | 83° | 47° | 65° | — | — |
| 2023 | 44° | 36° | 40° | 0.28" | — |
| 2022 | 43° | 23° | 33° | — | — |
| 2021 | 49° | 34° | 41° | — | — |
| 2020 | 39° | 19° | 29° | — | — |
| 2019 | 65° | 35° | 50° | 0.03" | — |
| 2018coldest | 28° | 21° | 25° | 0.05" | 0.3" |
| 2017 | 72° | 47° | 59° | 0.89" | — |
| 2016 | 73° | 53° | 63° | — | — |
| 2015 | 65° | 46° | 55° | — | — |
| 2014 | 48° | 11° | 30° | — | — |
| 2013 | 38° | 29° | 34° | — | — |
| 2012 | 72° | 42° | 57° | — | — |
| 2011 | 39° | 32° | 36° | 3.25" | 0.2" |
| 2010 | 66° | 43° | 54° | 0.1" | — |
| 2009 | 65° | 35° | 50° | 0.05" | — |
| 2008 | 77° | 41° | 59° | — | — |
| 2007 | 66° | 27° | 46° | — | — |
| 2006 | 80° | 55° | 68° | 0.58" | — |
| 2005 | 61° | 50° | 55° | 1.8" | — |
| 2004 | 74° | 45° | 59° | — | — |
| 2003 | 81° | 47° | 64° | 0.48" | — |
| 2002warmest | 89° | 63° | 76° | — | — |
| 2001 | 54° | 25° | 39° | 0.08" | — |
| 2000 | 33° | 27° | 30° | 0.71" | — |
| 1999 | 44° | 32° | 38° | 0.03" | — |
| 1998 | 43° | 37° | 40° | 0.38" | — |
| 1997 | 48° | 28° | 38° | — | — |
| 1996 | 60° | 29° | 44° | — | — |
| 1995 | 51° | 40° | 45° | 0.15" | — |
| 1994 | 54° | 36° | 45° | 0.18" | — |
| 1993 | 49° | 35° | 42° | — | — |
| 1992 | 53° | 42° | 48° | 0.43" | — |
| 1991 | 52° | 36° | 44° | 0.03" | — |
| 1990 | 60° | 21° | 41° | 0.1" | — |
| 1989 | 67° | 24° | 45° | — | — |
| 1988 | 57° | 21° | 39° | — | — |
| 1987 | 70° | 37° | 53° | — | — |
| 1986 | 51° | 30° | 41° | 0.08" | 0.3" |
| 1985 | 79° | 41° | 60° | — | — |
| 1984 | 62° | 39° | 51° | — | — |
| 1983 | 45° | 21° | 33° | — | — |
| 1982 | 83° | 55° | 69° | 0.03" | — |
| 1981 | 64° | 36° | 50° | — | — |
| 1980 | 63° | 32° | 47° | — | — |
| 1979 | 62° | 26° | 44° | 0.05" | — |
| 1978 | 55° | 33° | 44° | — | — |
| 1977 | 72° | 53° | 62° | — | — |
| 1976 | 82° | 49° | 65° | 1.4" | — |
| 1975 | 49° | 37° | 43° | 2.46" | — |
| 1974 | 52° | 29° | 40° | 0.18" | — |
| 1973 | 58° | 33° | 45° | 1.63" | — |
| 1972 | 65° | 26° | 45° | — | — |
| 1971 | 82° | 49° | 65° | — | — |
55 years of data from SIOUX FALLS