Weather on August 12
Des Moines, IA
55 Years of Data
Avg High
83°F
Avg Low
61°F
Warmest
1995
84°F avg
Coldest
2004
56°F avg
About This Date
August 12th in Des Moines, IA 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 (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 35% of August 12th dates historically, with the wettest August 12th recording 6.73" 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 Des Moines, IA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 69° | 77° | 0.03" | — |
| 2024 | 71° | 63° | 67° | 1.35" | — |
| 2023 | 88° | 67° | 77° | — | — |
| 2022 | 88° | 69° | 78° | — | — |
| 2021 | 91° | 67° | 79° | — | — |
| 2020 | 82° | 55° | 69° | — | — |
| 2019 | 82° | 70° | 76° | 1.65" | — |
| 2018 | 90° | 69° | 79° | — | — |
| 2017 | 80° | 52° | 66° | — | — |
| 2016 | 89° | 68° | 79° | 6.73" | — |
| 2015 | 82° | 59° | 71° | — | — |
| 2014 | 78° | 55° | 67° | — | — |
| 2013 | 86° | 65° | 75° | 1.24" | — |
| 2012 | 73° | 64° | 69° | 0.08" | — |
| 2011 | 82° | 55° | 69° | — | — |
| 2010 | 96° | 69° | 83° | — | — |
| 2009 | 86° | 62° | 74° | — | — |
| 2008 | 83° | 56° | 69° | — | — |
| 2007 | 93° | 72° | 82° | 0.05" | — |
| 2006 | 82° | 64° | 73° | — | — |
| 2005 | 89° | 66° | 78° | 1.02" | — |
| 2004coldest | 64° | 48° | 56° | — | — |
| 2003 | 87° | 60° | 74° | — | — |
| 2002 | 94° | 56° | 75° | 1.4" | — |
| 2001 | 84° | 58° | 71° | — | — |
| 2000 | 89° | 62° | 76° | — | — |
| 1999 | 70° | 63° | 66° | 6.35" | — |
| 1998 | 86° | 61° | 73° | — | — |
| 1997 | 65° | 56° | 60° | 0.46" | — |
| 1996 | 78° | 54° | 66° | 0.03" | — |
| 1995warmest | 92° | 76° | 84° | — | — |
| 1994 | 68° | 58° | 63° | — | — |
| 1993 | 85° | 70° | 77° | — | — |
| 1992 | 79° | 57° | 68° | 0.25" | — |
| 1991 | 80° | 57° | 69° | — | — |
| 1990 | 81° | 64° | 72° | — | — |
| 1989 | 85° | 57° | 71° | 0.15" | — |
| 1988 | 93° | 74° | 83° | — | — |
| 1987 | 82° | 67° | 74° | 4.72" | — |
| 1986 | 70° | 57° | 63° | — | — |
| 1985 | 91° | 66° | 79° | 0.03" | — |
| 1984 | 84° | 62° | 73° | — | — |
| 1983 | 83° | 55° | 69° | — | — |
| 1982 | 74° | 49° | 61° | — | — |
| 1981 | 87° | 62° | 75° | — | — |
| 1980 | 82° | 56° | 69° | — | — |
| 1979 | 78° | 53° | 66° | — | — |
| 1978 | 87° | 59° | 73° | — | — |
| 1977 | 77° | 54° | 65° | — | — |
| 1976 | 86° | 62° | 74° | 1.17" | — |
| 1975 | 88° | 65° | 76° | 1.04" | — |
| 1974 | 79° | 60° | 69° | — | — |
| 1973 | 85° | 67° | 76° | — | — |
| 1972 | 87° | 66° | 77° | 0.03" | — |
| 1971 | 87° | 55° | 71° | — | — |
55 years of data from ANKENY