Weather on August 19
Sioux Falls, SD
55 Years of Data
Avg High
82°F
Avg Low
60°F
Warmest
1976
84°F avg
Coldest
2004
56°F avg
About This Date
August 19th 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 August 19th was in 1976 (84°F average), while the coldest was 2004 (56°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 36% of August 19th dates historically, with the wettest August 19th recording 3.15" of rain. The last decade has been 6.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.0°F warmer on this date compared to 20-30 years ago.
Planning for August 19th in Sioux Falls, SD? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 67° | 78° | — | — |
| 2024 | 85° | 61° | 73° | — | — |
| 2023 | 95° | 71° | 83° | — | — |
| 2022 | 73° | 62° | 68° | 0.91" | — |
| 2021 | 90° | 72° | 81° | — | — |
| 2020 | 88° | 65° | 76° | — | — |
| 2019 | 83° | 55° | 69° | — | — |
| 2018 | 77° | 66° | 72° | 1.45" | — |
| 2017 | 82° | 53° | 68° | — | — |
| 2016 | 72° | 63° | 67° | 0.18" | — |
| 2015 | 71° | 51° | 61° | 0.51" | — |
| 2014 | 85° | 61° | 73° | — | — |
| 2013 | 87° | 65° | 76° | — | — |
| 2012 | 78° | 52° | 65° | 0.03" | — |
| 2011 | 77° | 57° | 67° | — | — |
| 2010 | 86° | 67° | 76° | 0.36" | — |
| 2009 | 76° | 59° | 67° | 2.31" | — |
| 2008 | 85° | 63° | 74° | — | — |
| 2007 | 81° | 62° | 71° | 0.08" | — |
| 2006 | 76° | 57° | 66° | — | — |
| 2005 | 82° | 63° | 72° | — | — |
| 2004coldest | 73° | 39° | 56° | — | — |
| 2003 | 87° | 69° | 78° | 0.08" | — |
| 2002 | 75° | 47° | 61° | — | — |
| 2001 | 80° | 50° | 65° | — | — |
| 2000 | 67° | 61° | 64° | 0.41" | — |
| 1999 | 79° | 54° | 66° | — | — |
| 1998 | 91° | 69° | 80° | 0.46" | — |
| 1997 | 73° | 58° | 65° | 0.05" | — |
| 1996 | 81° | 56° | 68° | 0.2" | — |
| 1995 | 79° | 53° | 66° | — | — |
| 1994 | 78° | 59° | 69° | — | — |
| 1993 | 84° | 63° | 73° | — | — |
| 1992 | 78° | 51° | 65° | — | — |
| 1991 | 79° | 53° | 66° | — | — |
| 1990 | 66° | 59° | 63° | 0.13" | — |
| 1989 | 82° | 62° | 72° | 3.15" | — |
| 1988 | 80° | 62° | 71° | — | — |
| 1987 | 75° | 52° | 63° | 0.48" | — |
| 1986 | 83° | 65° | 74° | 0.18" | — |
| 1985 | 72° | 45° | 58° | — | — |
| 1984 | 83° | 56° | 69° | — | — |
| 1983 | 94° | 69° | 81° | — | — |
| 1982 | 93° | 71° | 82° | 0.1" | — |
| 1981 | 79° | 50° | 64° | — | — |
| 1980 | 90° | 64° | 77° | — | — |
| 1979 | 76° | 66° | 71° | 2.34" | — |
| 1978 | 77° | 48° | 63° | — | — |
| 1977 | 75° | 55° | 65° | — | — |
| 1976warmest | 94° | 75° | 84° | — | — |
| 1975 | 85° | 67° | 76° | — | — |
| 1974 | 88° | 65° | 76° | — | — |
| 1973 | 97° | 65° | 81° | 0.05" | — |
| 1972 | 95° | 71° | 83° | — | — |
| 1971 | 90° | 60° | 75° | — | — |
55 years of data from SIOUX FALLS