Weather on June 18
Sioux Falls, SD
55 Years of Data
Avg High
81°F
Avg Low
58°F
Warmest
2022
85°F avg
Coldest
2004
57°F avg
About This Date
June 18th in Sioux Falls, SD typically brings warm summer weather, with average highs around 81°F and lows near 58°F. Over 55 years of records, the warmest June 18th was in 2022 (85°F average), while the coldest was 2004 (57°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 40% of June 18th dates historically, with the wettest June 18th recording 3.91" of rain. The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
Planning for June 18th in Sioux Falls, SD? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 56° | 67° | 0.05" | — |
| 2024 | 85° | 59° | 72° | 0.2" | — |
| 2023 | 84° | 64° | 74° | 0.05" | — |
| 2022warmest | 98° | 71° | 85° | — | — |
| 2021 | 92° | 57° | 74° | — | — |
| 2020 | 79° | 59° | 69° | 3.91" | — |
| 2019 | 76° | 56° | 66° | — | — |
| 2018 | 74° | 66° | 70° | 0.13" | — |
| 2017 | 77° | 55° | 66° | — | — |
| 2016 | 82° | 67° | 74° | — | — |
| 2015 | 77° | 50° | 64° | — | — |
| 2014 | 86° | 67° | 76° | 0.03" | — |
| 2013 | 83° | 56° | 69° | — | — |
| 2012 | 93° | 68° | 81° | — | — |
| 2011 | 75° | 56° | 65° | — | — |
| 2010 | 79° | 54° | 66° | — | — |
| 2009 | 84° | 65° | 74° | 0.61" | — |
| 2008 | 84° | 54° | 69° | — | — |
| 2007 | 77° | 58° | 67° | 0.46" | — |
| 2006 | 80° | 58° | 69° | — | — |
| 2005 | 85° | 63° | 74° | — | — |
| 2004coldest | 64° | 50° | 57° | 0.05" | — |
| 2003 | 84° | 57° | 71° | — | — |
| 2002 | 85° | 63° | 74° | 0.2" | — |
| 2001 | 90° | 54° | 72° | — | — |
| 2000 | 82° | 52° | 67° | — | — |
| 1999 | 63° | 57° | 60° | 1.07" | — |
| 1998 | 74° | 58° | 66° | 0.33" | — |
| 1997 | 79° | 51° | 65° | — | — |
| 1996 | 77° | 60° | 69° | — | — |
| 1995 | 91° | 70° | 80° | — | — |
| 1994 | 83° | 65° | 74° | — | — |
| 1993 | 61° | 59° | 60° | 1.63" | — |
| 1992 | 83° | 59° | 71° | 0.48" | — |
| 1991 | 86° | 67° | 76° | — | — |
| 1990 | 91° | 58° | 74° | — | — |
| 1989 | 83° | 56° | 69° | — | — |
| 1988 | 100° | 65° | 82° | — | — |
| 1987 | 89° | 63° | 76° | — | — |
| 1986 | 91° | 68° | 80° | — | — |
| 1985 | 71° | 53° | 62° | 0.56" | — |
| 1984 | 80° | 60° | 70° | — | — |
| 1983 | 72° | 60° | 66° | 0.1" | — |
| 1982 | 70° | 49° | 59° | 0.05" | — |
| 1981 | 73° | 56° | 64° | — | — |
| 1980 | 87° | 56° | 71° | — | — |
| 1979 | 64° | 57° | 61° | 0.13" | — |
| 1978 | 81° | 44° | 62° | — | — |
| 1977 | 79° | 55° | 67° | — | — |
| 1976 | 74° | 43° | 58° | — | — |
| 1975 | 71° | 58° | 64° | 1.45" | — |
| 1974 | 91° | 45° | 68° | — | — |
| 1973 | 73° | 51° | 62° | 2.01" | — |
| 1972 | 81° | 64° | 72° | 0.15" | — |
| 1971 | 85° | 65° | 75° | 0.94" | — |
55 years of data from SIOUX FALLS