Weather on May 31
Des Moines, IA
55 Years of Data
Avg High
78°F
Avg Low
56°F
Warmest
2018
80°F avg
Coldest
1972
50°F avg
About This Date
May 31st in Des Moines, IA typically brings pleasant spring weather, with average highs around 78°F and lows near 56°F. Over 55 years of records, the warmest May 31st was in 2018 (80°F average), while the coldest was 1972 (50°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 33% of May 31st dates historically, with the wettest May 31st recording 5.92" of rain. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
Planning for May 31st in Des Moines, IA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 56° | 70° | — | — |
| 2024 | 81° | 64° | 72° | — | — |
| 2023 | 88° | 64° | 76° | — | — |
| 2022 | 79° | 63° | 71° | — | — |
| 2021 | 73° | 49° | 61° | — | — |
| 2020 | 74° | 51° | 62° | — | — |
| 2019 | 77° | 55° | 66° | — | — |
| 2018warmest | 93° | 67° | 80° | — | — |
| 2017 | 76° | 45° | 60° | — | — |
| 2016 | 86° | 64° | 75° | — | — |
| 2015 | 60° | 46° | 53° | — | — |
| 2014 | 87° | 71° | 79° | 0.03" | — |
| 2013 | 70° | 59° | 64° | 0.15" | — |
| 2012 | 74° | 50° | 62° | 1.63" | — |
| 2011 | 90° | 65° | 77° | 0.28" | — |
| 2010 | 93° | 58° | 75° | 0.15" | — |
| 2009 | 79° | 44° | 61° | — | — |
| 2008 | 83° | 59° | 71° | — | — |
| 2007 | 84° | 57° | 71° | 5" | — |
| 2006 | 80° | 61° | 70° | 0.03" | — |
| 2005 | 79° | 52° | 65° | — | — |
| 2004 | 76° | 53° | 64° | 0.64" | — |
| 2003 | 90° | 53° | 71° | — | — |
| 2002 | 91° | 64° | 78° | — | — |
| 2001 | 59° | 45° | 52° | 0.89" | — |
| 2000 | 90° | 46° | 68° | 5.92" | — |
| 1999 | 83° | 63° | 73° | 0.43" | — |
| 1998 | 85° | 64° | 74° | — | — |
| 1997 | 43° | 75° | 59° | — | — |
| 1996 | 73° | 47° | 60° | — | — |
| 1995 | 76° | 57° | 66° | — | — |
| 1994 | 85° | 61° | 73° | — | — |
| 1993 | 72° | 43° | 57° | 0.25" | — |
| 1992 | 77° | 46° | 62° | — | — |
| 1991 | 81° | 66° | 73° | — | — |
| 1990 | 72° | 53° | 62° | — | — |
| 1989 | 83° | 58° | 70° | 0.05" | — |
| 1988 | 89° | 64° | 77° | — | — |
| 1987 | 83° | 59° | 71° | 0.74" | — |
| 1986 | 87° | 62° | 75° | — | — |
| 1985 | 80° | 57° | 69° | — | — |
| 1984 | 81° | 48° | 64° | — | — |
| 1983 | 69° | 45° | 57° | 0.03" | — |
| 1982 | 75° | 56° | 65° | — | — |
| 1981 | 82° | 51° | 67° | — | — |
| 1980 | 75° | 53° | 64° | 0.08" | — |
| 1979 | 67° | 55° | 61° | — | — |
| 1978 | 81° | 61° | 71° | — | — |
| 1977 | 81° | 58° | 69° | — | — |
| 1976 | 75° | 56° | 65° | — | — |
| 1975 | 63° | 44° | 53° | 0.28" | — |
| 1974 | 74° | 54° | 64° | — | — |
| 1973 | 80° | 57° | 69° | — | — |
| 1972coldest | 62° | 37° | 50° | — | — |
| 1971 | 78° | 58° | 68° | 0.15" | — |
55 years of data from ANKENY