Weather on May 21
Grand Rapids, MI
55 Years of Data
Avg High
72°F
Avg Low
49°F
Warmest
1977
77°F avg
Coldest
2019
45°F avg
About This Date
May 21st in Grand Rapids, MI typically brings pleasant spring weather, with average highs around 72°F and lows near 49°F. Over 55 years of records, the warmest May 21st was in 1977 (77°F average), while the coldest was 2019 (45°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 21st dates historically, with the wettest May 21st recording 6.25" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for May 21st in Grand Rapids, MI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 50° | 42° | 46° | 1.85" | — |
| 2024 | 81° | 57° | 69° | 0.76" | — |
| 2023 | 66° | 41° | 54° | — | — |
| 2022 | 86° | 57° | 72° | 1.57" | — |
| 2021 | 86° | 61° | 73° | — | — |
| 2020 | 72° | 51° | 61° | — | — |
| 2019coldest | 52° | 38° | 45° | — | — |
| 2018 | 60° | 48° | 54° | — | — |
| 2017 | 61° | 47° | 54° | 0.71" | — |
| 2016 | 72° | 42° | 57° | — | — |
| 2015 | 63° | 42° | 52° | — | — |
| 2014 | 83° | 62° | 72° | 0.36" | — |
| 2013 | 81° | 64° | 72° | 0.56" | — |
| 2012 | 69° | 53° | 61° | 0.46" | — |
| 2011 | 77° | 56° | 66° | 0.13" | — |
| 2010 | 69° | 58° | 63° | 1.4" | — |
| 2009 | 82° | 59° | 71° | — | — |
| 2008 | 58° | 42° | 50° | 0.03" | — |
| 2007 | 71° | 49° | 60° | — | — |
| 2006 | 53° | 41° | 47° | 0.13" | — |
| 2005 | 74° | 41° | 57° | — | — |
| 2004 | 70° | 56° | 63° | 6.25" | — |
| 2003 | 60° | 38° | 49° | — | — |
| 2002 | 55° | 38° | 46° | — | — |
| 2001 | 71° | 54° | 62° | 2.57" | — |
| 2000 | 66° | 49° | 57° | — | — |
| 1999 | 77° | 55° | 66° | — | — |
| 1998 | 72° | 49° | 60° | — | — |
| 1997 | 61° | 37° | 49° | — | — |
| 1996 | 73° | 52° | 62° | 0.03" | — |
| 1995 | 64° | 45° | 54° | — | — |
| 1994 | 83° | 49° | 66° | — | — |
| 1993 | 64° | 44° | 54° | — | — |
| 1992 | 86° | 56° | 71° | — | — |
| 1991 | 84° | 52° | 68° | — | — |
| 1990 | 61° | 46° | 53° | — | — |
| 1989 | 76° | 46° | 61° | — | — |
| 1988 | 79° | 57° | 68° | — | — |
| 1987 | 90° | 65° | 77° | 0.03" | — |
| 1986 | 56° | 46° | 51° | 0.28" | — |
| 1985 | 67° | 42° | 54° | — | — |
| 1984 | 76° | 48° | 62° | 0.08" | — |
| 1983 | 74° | 45° | 59° | — | — |
| 1982 | 65° | 52° | 58° | 0.13" | — |
| 1981 | 81° | 42° | 61° | — | — |
| 1980 | 82° | 46° | 64° | — | — |
| 1979 | 64° | 42° | 53° | — | — |
| 1978 | 64° | 40° | 52° | — | — |
| 1977warmest | 91° | 62° | 77° | 0.05" | — |
| 1976 | 72° | 45° | 58° | — | — |
| 1975 | 80° | 63° | 71° | 2.51" | — |
| 1974 | 85° | 51° | 68° | — | — |
| 1973 | 75° | 46° | 61° | — | — |
| 1972 | 89° | 54° | 71° | — | — |
| 1971 | 62° | 39° | 51° | — | — |
55 years of data from E GRAND RAPIDS