Weather on June 21
Des Moines, IA
55 Years of Data
Avg High
85°F
Avg Low
62°F
Warmest
1988
90°F avg
Coldest
1992
55°F avg
About This Date
June 21st in Des Moines, IA typically brings warm summer weather, with average highs around 85°F and lows near 62°F. Over 55 years of records, the warmest June 21st was in 1988 (90°F average), while the coldest was 1992 (55°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 35% of June 21st dates historically, with the wettest June 21st recording 2.69" of rain. The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
Planning for June 21st in Des Moines, IA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 97° | 80° | 88° | — | — |
| 2024 | 92° | 74° | 83° | — | — |
| 2023 | 86° | 67° | 76° | — | — |
| 2022 | 95° | 75° | 85° | — | — |
| 2021 | 74° | 56° | 65° | — | — |
| 2020 | 83° | 66° | 74° | — | — |
| 2019 | 77° | 59° | 68° | 0.81" | — |
| 2018 | 76° | 62° | 69° | 0.51" | — |
| 2017 | 91° | 63° | 77° | — | — |
| 2016 | 86° | 65° | 75° | — | — |
| 2015 | 87° | 58° | 72° | 0.05" | — |
| 2014 | 86° | 67° | 76° | 0.38" | — |
| 2013 | 87° | 73° | 80° | — | — |
| 2012 | 91° | 60° | 76° | 1.91" | — |
| 2011 | 85° | 63° | 74° | 2.03" | — |
| 2010 | 81° | 63° | 72° | 0.3" | — |
| 2009 | 86° | 67° | 76° | 0.56" | — |
| 2008 | 89° | 62° | 76° | 0.03" | — |
| 2007 | 90° | 59° | 74° | — | — |
| 2006 | 87° | 64° | 76° | 0.13" | — |
| 2005 | 89° | 65° | 77° | 0.08" | — |
| 2004 | 72° | 57° | 64° | 0.18" | — |
| 2003 | 82° | 51° | 67° | — | — |
| 2002 | 89° | 53° | 71° | — | — |
| 2001 | 75° | 54° | 64° | 0.12" | — |
| 2000 | 83° | 59° | 71° | — | — |
| 1999 | 82° | 63° | 72° | — | — |
| 1998 | 86° | 62° | 74° | 0.3" | — |
| 1997 | 90° | 65° | 77° | — | — |
| 1996 | 77° | 67° | 72° | 1.14" | — |
| 1995 | 91° | 63° | 77° | — | — |
| 1994 | 91° | 68° | 80° | — | — |
| 1993 | 78° | 55° | 67° | — | — |
| 1992coldest | 68° | 42° | 55° | — | — |
| 1991 | 88° | 65° | 76° | — | — |
| 1990 | 80° | 60° | 70° | — | — |
| 1989 | 90° | 68° | 79° | — | — |
| 1988warmest | 102° | 78° | 90° | — | — |
| 1987 | 84° | 67° | 75° | 0.05" | — |
| 1986 | 91° | 68° | 80° | 2.69" | — |
| 1985 | 88° | 72° | 80° | — | — |
| 1984 | 86° | 67° | 76° | 0.41" | — |
| 1983 | 91° | 69° | 80° | — | — |
| 1982 | 79° | 48° | 63° | — | — |
| 1981 | 73° | 61° | 67° | 0.23" | — |
| 1980 | 83° | 52° | 67° | — | — |
| 1979 | 88° | 63° | 75° | — | — |
| 1978 | 78° | 50° | 64° | — | — |
| 1977 | 85° | 57° | 71° | — | — |
| 1976 | 83° | 56° | 69° | — | — |
| 1975 | 89° | 70° | 79° | — | — |
| 1974 | 92° | 60° | 76° | — | — |
| 1973 | 79° | 61° | 70° | — | — |
| 1972 | 69° | 47° | 58° | — | — |
| 1971 | 87° | 61° | 74° | — | — |
55 years of data from ANKENY