Weather on August 23
Sioux Falls, SD
55 Years of Data
Avg High
83°F
Avg Low
61°F
Warmest
2023
89°F avg
Coldest
1984
59°F avg
About This Date
August 23rd in Sioux Falls, SD typically brings warm summer weather, with average highs around 83°F and lows near 61°F. Over 55 years of records, the warmest August 23rd was in 2023 (89°F average), while the coldest was 1984 (59°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 23rd dates historically, with the wettest August 23rd recording 2.62" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for August 23rd in Sioux Falls, SD? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 55° | 63° | — | — |
| 2024 | 83° | 66° | 74° | — | — |
| 2023warmest | 99° | 80° | 89° | — | — |
| 2022 | 89° | 67° | 78° | — | — |
| 2021 | 88° | 65° | 76° | — | — |
| 2020 | 96° | 67° | 81° | — | — |
| 2019 | 79° | 57° | 68° | — | — |
| 2018 | 74° | 61° | 67° | 0.08" | — |
| 2017 | 81° | 50° | 65° | 0.03" | — |
| 2016 | 75° | 68° | 72° | — | — |
| 2015 | 70° | 50° | 60° | — | — |
| 2014 | 83° | 69° | 76° | 2.62" | — |
| 2013 | 86° | 64° | 75° | — | — |
| 2012 | 94° | 70° | 82° | 0.03" | — |
| 2011 | 94° | 67° | 80° | — | — |
| 2010 | 85° | 64° | 74° | 1.45" | — |
| 2009 | 79° | 59° | 69° | — | — |
| 2008 | 76° | 51° | 63° | — | — |
| 2007 | 73° | 60° | 67° | 1.78" | — |
| 2006 | 90° | 68° | 79° | — | — |
| 2005 | 75° | 56° | 65° | — | — |
| 2004 | 82° | 59° | 71° | 1.91" | — |
| 2003 | 91° | 65° | 78° | — | — |
| 2002 | 79° | 64° | 71° | — | — |
| 2001 | 87° | 64° | 76° | — | — |
| 2000 | 85° | 59° | 72° | — | — |
| 1999 | 76° | 60° | 68° | — | — |
| 1998 | 87° | 65° | 76° | 0.36" | — |
| 1997 | 88° | 61° | 74° | — | — |
| 1996 | 78° | 47° | 62° | — | — |
| 1995 | 90° | 69° | 79° | — | — |
| 1994 | 88° | 63° | 75° | — | — |
| 1993 | 83° | 63° | 73° | — | — |
| 1992 | 84° | 65° | 74° | — | — |
| 1991 | 91° | 65° | 78° | — | — |
| 1990 | 85° | 66° | 75° | 0.99" | — |
| 1989 | 87° | 63° | 75° | — | — |
| 1988 | 82° | 55° | 69° | — | — |
| 1987 | 75° | 43° | 59° | — | — |
| 1986 | 75° | 48° | 62° | — | — |
| 1985 | 76° | 55° | 65° | 0.53" | — |
| 1984coldest | 75° | 43° | 59° | — | — |
| 1983 | 86° | 69° | 78° | 0.3" | — |
| 1982 | 82° | 56° | 69° | 0.1" | — |
| 1981 | 73° | 61° | 67° | 0.66" | — |
| 1980 | 87° | 67° | 77° | — | — |
| 1979 | 72° | 54° | 63° | — | — |
| 1978 | 88° | 72° | 80° | 0.76" | — |
| 1977 | 66° | 55° | 61° | 1.75" | — |
| 1976 | 96° | 65° | 80° | — | — |
| 1975 | 89° | 73° | 81° | — | — |
| 1974 | 78° | 50° | 64° | — | — |
| 1973 | 75° | 64° | 70° | — | — |
| 1972 | 72° | 53° | 62° | — | — |
| 1971 | 100° | 67° | 83° | — | — |
55 years of data from SIOUX FALLS