Weather on August 12
Sioux Falls, SD
55 Years of Data
Avg High
83°F
Avg Low
61°F
Warmest
1995
87°F avg
Coldest
2004
57°F avg
About This Date
August 12th 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 12th was in 1995 (87°F average), while the coldest was 2004 (57°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 36% of August 12th dates historically, with the wettest August 12th recording 2.46" of rain. The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
Planning for August 12th in Sioux Falls, SD? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 59° | 71° | — | — |
| 2024 | 73° | 61° | 67° | 0.03" | — |
| 2023 | 87° | 58° | 72° | 0.03" | — |
| 2022 | 94° | 71° | 82° | — | — |
| 2021 | 81° | 62° | 71° | — | — |
| 2020 | 89° | 70° | 79° | — | — |
| 2019 | 85° | 69° | 77° | 0.05" | — |
| 2018 | 88° | 70° | 79° | — | — |
| 2017 | 80° | 55° | 68° | — | — |
| 2016 | 82° | 63° | 72° | 1.12" | — |
| 2015 | 89° | 60° | 75° | — | — |
| 2014 | 80° | 51° | 66° | — | — |
| 2013 | 79° | 57° | 68° | — | — |
| 2012 | 68° | 59° | 64° | 0.1" | — |
| 2011 | 82° | 61° | 71° | — | — |
| 2010 | 90° | 69° | 79° | 1.24" | — |
| 2009 | 91° | 57° | 74° | — | — |
| 2008 | 84° | 60° | 72° | 0.05" | — |
| 2007 | 81° | 61° | 71° | 0.23" | — |
| 2006 | 84° | 69° | 77° | 0.2" | — |
| 2005 | 76° | 59° | 67° | — | — |
| 2004coldest | 67° | 47° | 57° | — | — |
| 2003 | 83° | 59° | 71° | — | — |
| 2002 | 70° | 56° | 63° | 1.22" | — |
| 2001 | 83° | 57° | 70° | — | — |
| 2000 | 89° | 73° | 81° | 0.03" | — |
| 1999 | 81° | 58° | 69° | — | — |
| 1998 | 79° | 63° | 71° | — | — |
| 1997 | 73° | 59° | 66° | — | — |
| 1996 | 82° | 60° | 71° | — | — |
| 1995warmest | 97° | 77° | 87° | 0.13" | — |
| 1994 | 73° | 62° | 68° | 1.98" | — |
| 1993 | 83° | 63° | 73° | 0.03" | — |
| 1992 | 69° | 53° | 61° | — | — |
| 1991 | 83° | 52° | 67° | — | — |
| 1990 | 79° | 51° | 65° | — | — |
| 1989 | 80° | 63° | 71° | 1.04" | — |
| 1988 | 95° | 75° | 85° | — | — |
| 1987 | 77° | 60° | 69° | — | — |
| 1986 | 77° | 61° | 69° | 0.36" | — |
| 1985 | 74° | 59° | 66° | 2.46" | — |
| 1984 | 91° | 64° | 78° | — | — |
| 1983 | 85° | 58° | 71° | — | — |
| 1982 | 71° | 58° | 64° | 0.08" | — |
| 1981 | 94° | 61° | 77° | — | — |
| 1980 | 81° | 54° | 67° | — | — |
| 1979 | 78° | 63° | 70° | — | — |
| 1978 | 89° | 67° | 78° | — | — |
| 1977 | 88° | 54° | 71° | — | — |
| 1976 | 92° | 60° | 76° | — | — |
| 1975 | 86° | 64° | 75° | 0.05" | — |
| 1974 | 82° | 58° | 70° | — | — |
| 1973 | 89° | 60° | 75° | 0.05" | — |
| 1972 | 90° | 61° | 75° | — | — |
| 1971 | 97° | 67° | 82° | — | — |
55 years of data from SIOUX FALLS