Weather on August 31
Des Moines, IA
55 Years of Data
Avg High
83°F
Avg Low
59°F
Warmest
2013
84°F avg
Coldest
1992
57°F avg
About This Date
August 31st in Des Moines, IA typically brings warm summer weather, with average highs around 83°F and lows near 59°F. Over 55 years of records, the warmest August 31st was in 2013 (84°F average), while the coldest was 1992 (57°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 31% of August 31st dates historically, with the wettest August 31st recording 3.02" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 31st in Des Moines, IA? 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 | 76° | 65° | 70° | 0.23" | — |
| 2024 | 84° | 60° | 72° | — | — |
| 2023 | 83° | 59° | 71° | — | — |
| 2022 | 87° | 59° | 73° | — | — |
| 2021 | 76° | 63° | 69° | 0.94" | — |
| 2020 | 80° | 54° | 67° | — | — |
| 2019 | 77° | 55° | 66° | — | — |
| 2018 | 84° | 67° | 75° | 2.26" | — |
| 2017 | 83° | 58° | 70° | — | — |
| 2016 | 81° | 62° | 71° | — | — |
| 2015 | 76° | 55° | 65° | 0.05" | — |
| 2014 | 79° | 59° | 69° | — | — |
| 2013warmest | 102° | 67° | 84° | — | — |
| 2012 | 92° | 68° | 80° | — | — |
| 2011 | 67° | 60° | 63° | 3.02" | — |
| 2010 | 91° | 71° | 81° | — | — |
| 2009 | 67° | 48° | 57° | — | — |
| 2008 | 87° | 58° | 72° | — | — |
| 2007 | 81° | 54° | 67° | — | — |
| 2006 | 83° | 56° | 69° | — | — |
| 2005 | 84° | 56° | 70° | — | — |
| 2004 | 82° | 53° | 68° | — | — |
| 2003 | 76° | 58° | 67° | — | — |
| 2002 | 83° | 58° | 70° | — | — |
| 2001 | 84° | 53° | 69° | — | — |
| 2000 | 94° | 70° | 82° | — | — |
| 1999 | 77° | 45° | 61° | — | — |
| 1998 | 86° | 60° | 73° | 0.28" | — |
| 1997 | 88° | 54° | 71° | — | — |
| 1996 | 82° | 52° | 67° | — | — |
| 1995 | 97° | 63° | 80° | — | — |
| 1994 | 80° | 55° | 68° | 0.89" | — |
| 1993 | 73° | 53° | 63° | 0.41" | — |
| 1992coldest | 71° | 43° | 57° | — | — |
| 1991 | 83° | 62° | 72° | 2.72" | — |
| 1990 | 82° | 61° | 71° | — | — |
| 1989 | 86° | 69° | 78° | 0.08" | — |
| 1988 | 83° | 58° | 70° | — | — |
| 1987 | 71° | 51° | 61° | — | — |
| 1986 | 85° | 54° | 69° | — | — |
| 1985 | 88° | 60° | 74° | — | — |
| 1984 | 90° | 49° | 69° | 0.1" | — |
| 1983 | 83° | 61° | 72° | — | — |
| 1982 | 83° | 60° | 71° | 1.93" | — |
| 1981 | 87° | 70° | 78° | 0.03" | — |
| 1980 | 83° | 62° | 72° | 1.91" | — |
| 1979 | 91° | 66° | 79° | — | — |
| 1978 | 84° | 57° | 71° | — | — |
| 1977 | 83° | 64° | 73° | 2.64" | — |
| 1976 | 91° | 59° | 75° | — | — |
| 1975 | 77° | 56° | 66° | — | — |
| 1974 | 84° | 48° | 66° | 0.05" | — |
| 1973 | 89° | 71° | 80° | 0.69" | — |
| 1972 | 80° | 67° | 73° | — | — |
| 1971 | 85° | 56° | 70° | — | — |
55 years of data from ANKENY