Weather on April 21 at Wind Cave
Wind Cave National Park
Based on 55 years of data from Hot Springs, SD
Elevation Note: Wind Cave sits at 4,000 ft. Expect temperatures 14°F cooler than the data shown below, which comes from Hot Springs, SD at a lower elevation.
Planning Your Visit
April 21st in Wind Cave National Park (via Hot Springs, SD) typically brings mild spring weather, with average highs around 63°F and lows near 33°F — a 30°F daily swing. Over 55 years of records, the warmest April 21st was in 1989 (65°F average), while the coldest was 2021 (29°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 33% of April 21st dates historically, with the wettest April 21st recording 4.29" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for April 21st in Wind Cave? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 70°F | 22°F | 0.23" | 0" |
| 2024 | 58°F | 18°F | 0" | 0" |
| 2023 | 44°F | 25°F | 0" | 0" |
| 2022 | 73°F | 27°F | 0" | 0" |
| 2021 | 46°F | 13°F | 0" | 0" |
| 2020 | 71°F | 31°F | 0" | 0" |
| 2019 | 81°F | 49°F | 0.1" | 0" |
| 2018 | 59°F | 36°F | 0" | 0" |
| 2017 | 61°F | 40°F | 0" | 0" |
| 2016 | 69°F | 32°F | 0" | 0" |
| 2015 | 62°F | 25°F | 0" | 0" |
| 2014 | 70°F | 32°F | 0" | 0" |
| 2013 | 53°F | 35°F | 0.23" | 0" |
| 2012 | 68°F | 43°F | 0" | 0" |
| 2011 | 68°F | 39°F | 0.03" | -- |
| 2010 | 59°F | 38°F | 0" | 0" |
| 2009 | 73°F | 41°F | 0" | 0" |
| 2008 | 59°F | 28°F | 0" | 0" |
| 2007 | 64°F | 41°F | 0.25" | 0" |
| 2006 | 65°F | 28°F | 0" | 0" |
| 2005 | 42°F | 36°F | 4.29" | 0" |
| 2004 | 63°F | 38°F | 0.36" | 0" |
| 2003 | 66°F | 29°F | 0" | 0" |
| 2002 | 50°F | 28°F | 0.51" | 0" |
| 2001 | 51°F | 37°F | 0.51" | 0" |
| 2000 | 69°F | 27°F | 0" | 0" |
| 1999 | 65°F | 42°F | 0.91" | 0" |
| 1998 | 64°F | 28°F | 0" | 0" |
| 1997 | 65°F | 40°F | 1.52" | 0" |
| 1996 | 53°F | 34°F | 0" | 0" |
| 1995 | 47°F | 33°F | 0.18" | 0" |
| 1994 | 72°F | 41°F | 0" | 0" |
| 1993 | 64°F | 19°F | 0.2" | 0" |
| 1992 | 61°F | 28°F | 0" | 0" |
| 1991 | 53°F | 33°F | 0" | 0" |
| 1990 | 80°F | 41°F | 0" | 0" |
| 1989 | 85°F | 46°F | 0" | 0" |
| 1988 | 71°F | 31°F | 0" | 0" |
| 1987 | 61°F | 27°F | 0" | 0" |
| 1986 | 60°F | 30°F | 0" | 0" |
| 1985 | 63°F | 39°F | 0.13" | 0" |
| 1984 | 52°F | 39°F | 0.1" | 0" |
| 1983 | 65°F | 41°F | 0" | 0" |
| 1982 | 56°F | 25°F | 0" | 0" |
| 1981 | 67°F | 42°F | 0" | 0" |
| 1980 | 90°F | 39°F | 0" | 0" |
| 1979 | 69°F | 40°F | 0" | 0" |
| 1978 | 58°F | 29°F | 0" | 0" |
| 1977 | 68°F | 34°F | 0" | 0" |
| 1976 | 64°F | 30°F | 0" | 0" |
| 1975 | 58°F | 30°F | 0.08" | 0" |
| 1974 | 53°F | 39°F | 0.69" | 0" |
| 1973 | 45°F | 32°F | 0" | 0" |
| 1972 | 64°F | 30°F | 0" | 0" |
| 1971 | 54°F | 39°F | 0.53" | 0" |