Weather on May 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
May 21st in Wind Cave National Park (via Hot Springs, SD) typically brings pleasant spring weather, with average highs around 72°F and lows near 44°F — a 28°F daily swing. Over 55 years of records, the warmest May 21st was in 1992 (73°F average), while the coldest was 2019 (37°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 31% of May 21st dates historically, with the wettest May 21st recording 4.83" of rain. The last decade has been 6.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 6.2°F cooler on this date compared to 20-30 years ago.
Planning for May 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 | 62°F | 36°F | 0" | 0" |
| 2024 | 54°F | 41°F | 0.86" | 0" |
| 2023 | 76°F | 47°F | 0" | 0" |
| 2022 | 52°F | 27°F | 0" | 0" |
| 2021 | 80°F | 50°F | 4.83" | 0" |
| 2020 | 79°F | 45°F | 0.76" | 0" |
| 2019 | 42°F | 32°F | 2.59" | 0" |
| 2018 | 75°F | 35°F | 0" | 0" |
| 2017 | 66°F | 30°F | 0" | 0" |
| 2016 | 78°F | 56°F | 0" | 0" |
| 2015 | 59°F | 27°F | 0.03" | 0" |
| 2014 | 64°F | 46°F | 1.4" | 0" |
| 2013 | 58°F | 46°F | 0" | 0" |
| 2012 | 86°F | 43°F | 0" | 0" |
| 2011 | 61°F | 41°F | 0" | 0" |
| 2010 | 67°F | 44°F | 0.03" | 0" |
| 2009 | 69°F | 49°F | 0" | 0" |
| 2008 | 67°F | 49°F | -- | -- |
| 2007 | 86°F | 55°F | 0" | 0" |
| 2006 | 80°F | 51°F | 0" | 0" |
| 2005 | 80°F | 54°F | 0" | 0" |
| 2004 | 78°F | 50°F | 0.41" | 0" |
| 2003 | 71°F | 33°F | 0" | 0" |
| 2002 | 77°F | 48°F | 0" | 0" |
| 2001 | 59°F | 36°F | 0" | 0" |
| 2000 | 77°F | 40°F | 0" | 0" |
| 1999 | 76°F | 38°F | 0" | 0" |
| 1998 | 75°F | 53°F | 3.3" | 0" |
| 1997 | 75°F | 55°F | 0" | 0" |
| 1996 | 72°F | 38°F | 0" | 0" |
| 1995 | 77°F | 45°F | 0" | 0" |
| 1994 | 78°F | 44°F | 0.25" | 0" |
| 1993 | 76°F | 45°F | 0" | 0" |
| 1992 | 89°F | 57°F | 0.28" | 0" |
| 1991 | 80°F | 55°F | 0" | 0" |
| 1990 | 74°F | 44°F | 0.08" | 0" |
| 1989 | 82°F | 38°F | 0" | 0" |
| 1988 | 67°F | 41°F | 0" | 0" |
| 1987 | 52°F | 40°F | 0.61" | 0" |
| 1986 | 76°F | 48°F | 0" | 0" |
| 1985 | 81°F | 43°F | 0" | 0" |
| 1984 | 86°F | 51°F | 0.99" | 0" |
| 1983 | 76°F | 35°F | 0" | 0" |
| 1982 | 61°F | 42°F | 0.03" | 0" |
| 1981 | 68°F | 45°F | 0" | 0" |
| 1980 | 85°F | 45°F | 0" | 0" |
| 1979 | 82°F | 39°F | 0" | 0" |
| 1978 | 79°F | 41°F | 0" | 0" |
| 1977 | 64°F | 48°F | 0.74" | 0" |
| 1976 | 72°F | 48°F | 0.56" | 0" |
| 1975 | 51°F | 43°F | 0" | 0" |
| 1974 | 66°F | 39°F | 0" | 0" |
| 1973 | 84°F | 54°F | 0" | 0" |
| 1972 | 84°F | 57°F | 0" | 0" |
| 1971 | 74°F | 45°F | 0" | 0" |