Weather on June 20
Sioux Falls, SD
55 Years of Data
Avg High
82°F
Avg Low
60°F
Warmest
1989
86°F avg
Coldest
1972
53°F avg
About This Date
June 20th in Sioux Falls, SD typically brings warm summer weather, with average highs around 82°F and lows near 60°F. Over 55 years of records, the warmest June 20th was in 1989 (86°F average), while the coldest was 1972 (53°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 42% of June 20th dates historically, with the wettest June 20th recording 8.89" of rain. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for June 20th in Sioux Falls, SD? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 99° | 70° | 84° | — | — |
| 2024 | 67° | 60° | 63° | 8.89" | — |
| 2023 | 92° | 72° | 82° | — | — |
| 2022 | 100° | 71° | 86° | 1.32" | — |
| 2021 | 77° | 58° | 67° | 0.18" | — |
| 2020 | 76° | 63° | 69° | 0.99" | — |
| 2019 | 81° | 60° | 70° | 0.53" | — |
| 2018 | 64° | 58° | 61° | 8.51" | — |
| 2017 | 81° | 62° | 71° | — | — |
| 2016 | 81° | 60° | 70° | — | — |
| 2015 | 84° | 64° | 74° | 0.91" | — |
| 2014 | 90° | 55° | 72° | 0.03" | — |
| 2013 | 88° | 70° | 79° | — | — |
| 2012 | 81° | 61° | 71° | 0.61" | — |
| 2011 | 78° | 61° | 69° | 5.31" | — |
| 2010 | 82° | 63° | 72° | 0.13" | — |
| 2009 | 82° | 55° | 69° | — | — |
| 2008 | 86° | 61° | 73° | — | — |
| 2007 | 91° | 57° | 74° | — | — |
| 2006 | 80° | 59° | 70° | 1.09" | — |
| 2005 | 92° | 67° | 79° | 0.81" | — |
| 2004 | 69° | 53° | 61° | — | — |
| 2003 | 84° | 59° | 72° | — | — |
| 2002 | 79° | 55° | 67° | 0.28" | — |
| 2001 | 78° | 49° | 63° | — | — |
| 2000 | 77° | 58° | 67° | — | — |
| 1999 | 76° | 62° | 69° | — | — |
| 1998 | 78° | 57° | 68° | — | — |
| 1997 | 82° | 66° | 74° | 1.24" | — |
| 1996 | 79° | 57° | 68° | 0.43" | — |
| 1995 | 94° | 71° | 82° | — | — |
| 1994 | 88° | 66° | 77° | 0.13" | — |
| 1993 | 79° | 54° | 66° | — | — |
| 1992 | 65° | 48° | 56° | — | — |
| 1991 | 89° | 69° | 79° | 0.05" | — |
| 1990 | 81° | 59° | 70° | — | — |
| 1989warmest | 97° | 75° | 86° | — | — |
| 1988 | 103° | 66° | 84° | — | — |
| 1987 | 83° | 66° | 74° | — | — |
| 1986 | 87° | 67° | 77° | 2.64" | — |
| 1985 | 90° | 53° | 71° | — | — |
| 1984 | 83° | 60° | 71° | 0.64" | — |
| 1983 | 82° | 62° | 72° | 4.14" | — |
| 1982 | 73° | 47° | 60° | — | — |
| 1981 | 78° | 52° | 65° | — | — |
| 1980 | 76° | 45° | 60° | — | — |
| 1979 | 74° | 57° | 65° | 0.36" | — |
| 1978 | 68° | 47° | 57° | — | — |
| 1977 | 78° | 50° | 64° | — | — |
| 1976 | 93° | 60° | 77° | — | — |
| 1975 | 86° | 65° | 75° | 0.84" | — |
| 1974 | 101° | 68° | 84° | — | — |
| 1973 | 76° | 53° | 64° | — | — |
| 1972coldest | 64° | 43° | 53° | — | — |
| 1971 | 78° | 59° | 69° | — | — |
55 years of data from SIOUX FALLS