Weather on August 31
Des Moines, IA
55 Years of Data
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.
| 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° | — | — |
Des Moines, IA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Des Moines, IA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Des Moines, IA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Des Moines, IA
Des Moines, IA has no months that meet our "pleasant" threshold — every season has tradeoffs.