Weather on April 21
Des Moines, IA
55 Years of Data
Avg High
62°F
Avg Low
40°F
Warmest
1985
75°F avg
Coldest
2013
35°F avg
About This Date
April 21st in Des Moines, IA typically brings mild spring weather, with average highs around 62°F and lows near 40°F. Over 55 years of records, the warmest April 21st was in 1985 (75°F average), while the coldest was 2013 (35°F) — a 40°F range across recorded history. Rain or other precipitation has occurred on about 45% of April 21st dates historically, with the wettest April 21st recording 3.76" of rain. The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
Planning for April 21st in Des Moines, IA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 44° | 55° | — | — |
| 2024 | 63° | 31° | 47° | — | — |
| 2023 | 49° | 35° | 42° | — | — |
| 2022 | 65° | 34° | 49° | 0.05" | — |
| 2021 | 47° | 29° | 38° | — | — |
| 2020 | 67° | 36° | 51° | — | — |
| 2019 | 84° | 54° | 69° | — | — |
| 2018 | 59° | 28° | 44° | — | — |
| 2017 | 55° | 38° | 46° | — | — |
| 2016 | 65° | 46° | 55° | 0.81" | — |
| 2015 | 54° | 33° | 43° | — | — |
| 2014 | 82° | — | — | — | — |
| 2013coldest | 46° | 25° | 35° | — | — |
| 2012 | 56° | 33° | 44° | 0.03" | — |
| 2011 | 50° | 31° | 40° | — | — |
| 2010 | 75° | 41° | 58° | — | — |
| 2009 | 49° | 35° | 42° | 0.03" | — |
| 2008 | 70° | 47° | 58° | — | — |
| 2007 | 76° | 47° | 61° | — | — |
| 2006 | 64° | 44° | 54° | — | — |
| 2005 | 74° | 53° | 63° | 0.25" | — |
| 2004 | 65° | 48° | 56° | 3.76" | — |
| 2003 | 51° | 45° | 48° | — | — |
| 2002 | 55° | 33° | 44° | 0.91" | — |
| 2001 | 83° | 60° | 71° | 0.58" | — |
| 2000 | 48° | 34° | 41° | 1.12" | — |
| 1999 | 70° | 24° | 47° | — | — |
| 1998 | 53° | 40° | 46° | — | — |
| 1997 | 54° | 35° | 44° | — | — |
| 1996 | 76° | 35° | 55° | — | — |
| 1995 | 47° | 35° | 41° | 0.99" | — |
| 1994 | 63° | 42° | 52° | 0.38" | — |
| 1993 | 50° | 30° | 40° | — | — |
| 1992 | 57° | 29° | 43° | 2.08" | — |
| 1991 | 55° | 33° | 44° | 0.03" | — |
| 1990 | 69° | 44° | 57° | — | — |
| 1989 | 80° | 43° | 61° | 0.1" | — |
| 1988 | 56° | 36° | 46° | 0.03" | — |
| 1987 | 58° | 44° | 51° | 0.13" | — |
| 1986 | 46° | 34° | 40° | — | — |
| 1985warmest | 86° | 64° | 75° | — | — |
| 1984 | 53° | 42° | 48° | 2.54" | — |
| 1983 | 63° | 42° | 52° | — | — |
| 1982 | 58° | 29° | 43° | — | — |
| 1981 | 53° | 36° | 44° | — | — |
| 1980 | 92° | 50° | 71° | — | — |
| 1979 | 65° | 40° | 52° | — | — |
| 1978 | 41° | 30° | 36° | 0.1" | — |
| 1977 | 79° | 47° | 63° | 2.67" | — |
| 1976 | 53° | 46° | 50° | 3.05" | — |
| 1975 | 55° | 36° | 45° | 0.38" | — |
| 1974 | 65° | 53° | 59° | 3.53" | — |
| 1973 | 73° | 55° | 64° | 0.58" | — |
| 1972 | 48° | 45° | 46° | 1.35" | — |
| 1971 | 84° | 46° | 65° | 0.2" | — |
55 years of data from ANKENY