Weather on August 13
Sioux Falls, SD
55 Years of Data
Avg High
82°F
Avg Low
60°F
Warmest
1971
86°F avg
Coldest
2004
56°F avg
About This Date
August 13th 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 13th was in 1971 (86°F average), while the coldest was 2004 (56°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 29% of August 13th dates historically, with the wettest August 13th recording 2.62" 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 13th in Sioux Falls, SD? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 55° | 70° | — | — |
| 2024 | 74° | 54° | 64° | — | — |
| 2023 | 73° | 61° | 67° | 1.02" | — |
| 2022 | 79° | 65° | 72° | — | — |
| 2021 | 82° | 55° | 69° | — | — |
| 2020 | 89° | 73° | 81° | — | — |
| 2019 | 82° | 61° | 71° | — | — |
| 2018 | 90° | 67° | 78° | — | — |
| 2017 | 73° | 62° | 68° | 0.18" | — |
| 2016 | 83° | 59° | 71° | — | — |
| 2015 | 83° | 70° | 76° | — | — |
| 2014 | 83° | 53° | 68° | — | — |
| 2013 | 76° | 52° | 64° | — | — |
| 2012 | 83° | 50° | 66° | — | — |
| 2011 | 79° | 60° | 69° | — | — |
| 2010 | 82° | 66° | 74° | — | — |
| 2009 | 87° | 68° | 78° | 0.2" | — |
| 2008 | 86° | 59° | 73° | — | — |
| 2007 | 90° | 65° | 77° | — | — |
| 2006 | 81° | 59° | 70° | 0.41" | — |
| 2005 | 65° | 53° | 59° | — | — |
| 2004coldest | 70° | 43° | 56° | — | — |
| 2003 | 84° | 56° | 70° | — | — |
| 2002 | 75° | 51° | 63° | — | — |
| 2001 | 79° | 48° | 63° | — | — |
| 2000 | 84° | 61° | 72° | — | — |
| 1999 | 73° | 52° | 62° | 0.03" | — |
| 1998 | 82° | 57° | 70° | — | — |
| 1997 | 74° | 48° | 61° | 0.43" | — |
| 1996 | 86° | 64° | 75° | — | — |
| 1995 | 91° | 67° | 79° | 0.1" | — |
| 1994 | 76° | 53° | 64° | — | — |
| 1993 | 81° | 61° | 71° | — | — |
| 1992 | 72° | 48° | 60° | — | — |
| 1991 | 86° | 56° | 71° | — | — |
| 1990 | 82° | 55° | 69° | — | — |
| 1989 | 89° | 63° | 76° | 0.71" | — |
| 1988 | 87° | 69° | 78° | 2.62" | — |
| 1987 | 84° | 60° | 72° | — | — |
| 1986 | 74° | 64° | 69° | — | — |
| 1985 | 74° | 52° | 63° | 0.1" | — |
| 1984 | 92° | 69° | 80° | — | — |
| 1983 | 90° | 66° | 78° | 0.05" | — |
| 1982 | 80° | 64° | 72° | — | — |
| 1981 | 80° | 68° | 74° | 0.56" | — |
| 1980 | 77° | 61° | 69° | 1.37" | — |
| 1979 | 68° | 59° | 64° | 0.03" | — |
| 1978 | 91° | 73° | 82° | — | — |
| 1977 | 78° | 56° | 67° | — | — |
| 1976 | 91° | 60° | 76° | 1.37" | — |
| 1975 | 80° | 54° | 67° | — | — |
| 1974 | 79° | 54° | 66° | — | — |
| 1973 | 87° | 60° | 74° | 0.25" | — |
| 1972 | 97° | 70° | 83° | — | — |
| 1971warmest | 100° | 72° | 86° | — | — |
55 years of data from SIOUX FALLS