Weather on August 11
Sioux Falls, SD
55 Years of Data
Avg High
83°F
Avg Low
60°F
Warmest
1988
86°F avg
Coldest
2004
58°F avg
About This Date
August 11th in Sioux Falls, SD typically brings warm summer weather, with average highs around 83°F and lows near 60°F. Over 55 years of records, the warmest August 11th was in 1988 (86°F average), while the coldest was 2004 (58°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 11th dates historically, with the wettest August 11th recording 3.71" of rain. The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
Planning for August 11th in Sioux Falls, SD? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 57° | 71° | — | — |
| 2024 | 76° | 57° | 66° | 0.03" | — |
| 2023 | 93° | 64° | 79° | — | — |
| 2022 | 88° | 69° | 78° | — | — |
| 2021 | 87° | 71° | 79° | — | — |
| 2020 | 87° | 58° | 72° | — | — |
| 2019 | 81° | 67° | 74° | — | — |
| 2018 | 88° | 69° | 78° | — | — |
| 2017 | 81° | 53° | 67° | — | — |
| 2016 | 81° | 68° | 74° | 2.64" | — |
| 2015 | 87° | 57° | 72° | — | — |
| 2014 | 75° | 56° | 65° | — | — |
| 2013 | 78° | 62° | 70° | 2.54" | — |
| 2012 | 72° | 50° | 61° | 0.08" | — |
| 2011 | 80° | 58° | 69° | 0.74" | — |
| 2010 | 92° | 68° | 80° | — | — |
| 2009 | 86° | 58° | 72° | — | — |
| 2008 | 78° | 63° | 70° | 3.71" | — |
| 2007 | 92° | 69° | 80° | — | — |
| 2006 | 84° | 64° | 74° | 0.23" | — |
| 2005 | 80° | 64° | 72° | 0.84" | — |
| 2004coldest | 67° | 49° | 58° | — | — |
| 2003 | 86° | 59° | 73° | — | — |
| 2002 | 84° | 63° | 73° | 2.54" | — |
| 2001 | 81° | 54° | 67° | — | — |
| 2000 | 89° | 68° | 79° | — | — |
| 1999 | 80° | 68° | 74° | — | — |
| 1998 | 82° | 57° | 70° | — | — |
| 1997 | 70° | 54° | 62° | 0.03" | — |
| 1996 | 79° | 54° | 66° | — | — |
| 1995 | 97° | 76° | 86° | — | — |
| 1994 | 73° | 62° | 68° | 0.23" | — |
| 1993 | 87° | 64° | 76° | — | — |
| 1992 | 79° | 58° | 68° | 1.02" | — |
| 1991 | 80° | 50° | 65° | — | — |
| 1990 | 77° | 50° | 64° | — | — |
| 1989 | 86° | 63° | 74° | — | — |
| 1988warmest | 97° | 75° | 86° | — | — |
| 1987 | 89° | 69° | 79° | — | — |
| 1986 | 73° | 46° | 60° | — | — |
| 1985 | 76° | 51° | 63° | 0.58" | — |
| 1984 | 87° | 61° | 74° | — | — |
| 1983 | 82° | 55° | 69° | — | — |
| 1982 | 76° | 46° | 61° | — | — |
| 1981 | 89° | 60° | 75° | — | — |
| 1980 | 78° | 60° | 69° | — | — |
| 1979 | 77° | 55° | 66° | — | — |
| 1978 | 85° | 65° | 75° | — | — |
| 1977 | 77° | 47° | 62° | — | — |
| 1976 | 90° | 60° | 75° | — | — |
| 1975 | 91° | 62° | 77° | 0.99" | — |
| 1974 | 84° | 56° | 70° | 0.03" | — |
| 1973 | 88° | 56° | 72° | — | — |
| 1972 | 90° | 60° | 75° | — | — |
| 1971 | 88° | 49° | 68° | — | — |
55 years of data from SIOUX FALLS