Weather on May 21
Miami, FL
55 Years of Data
Avg High
84°F
Avg Low
74°F
Warmest
2008
87°F avg
Coldest
1973
74°F avg
About This Date
May 21st in Miami, FL typically brings warm spring weather, with average highs around 84°F and lows near 74°F. Over 55 years of records, the warmest May 21st was in 2008 (87°F average), while the coldest was 1973 (74°F) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 33% of May 21st dates historically, with the wettest May 21st recording 11.02" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 21st in Miami, FL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 94° | 78° | 86° | — | — |
| 2024 | 95° | 76° | 85° | — | — |
| 2023 | 87° | 76° | 81° | 0.03" | — |
| 2022 | 80° | 73° | 77° | — | — |
| 2021 | 83° | 69° | 76° | — | — |
| 2020 | 79° | 75° | 77° | 1.3" | — |
| 2019 | 85° | — | — | — | — |
| 2018 | 83° | 70° | 76° | 3.18" | — |
| 2017 | 84° | 78° | 81° | — | — |
| 2016 | 85° | 76° | 80° | — | — |
| 2015 | 85° | 75° | 80° | — | — |
| 2014 | 81° | 75° | 78° | — | — |
| 2013 | 85° | 73° | 79° | 5.72" | — |
| 2012 | 83° | 71° | 77° | 0.69" | — |
| 2011 | 84° | 78° | 81° | — | — |
| 2010 | 84° | 73° | 79° | 0.13" | — |
| 2009 | 82° | 71° | 77° | 1.04" | — |
| 2008warmest | 95° | 79° | 87° | 0.03" | — |
| 2007 | 82° | 70° | 76° | 11.02" | — |
| 2006 | 86° | 74° | 80° | — | — |
| 2005 | 90° | 78° | 84° | — | — |
| 2004 | 81° | 74° | 77° | — | — |
| 2003 | 84° | 79° | 81° | — | — |
| 2002 | 91° | 69° | 80° | 0.56" | — |
| 2001 | 86° | 78° | 82° | — | — |
| 2000 | 83° | 76° | 79° | — | — |
| 1999 | 85° | 78° | 81° | — | — |
| 1998 | 83° | 73° | 78° | — | — |
| 1997 | 88° | 79° | 83° | — | — |
| 1996 | 80° | 73° | 77° | 2.84" | — |
| 1995 | 83° | 74° | 78° | 3.58" | — |
| 1994 | 82° | 67° | 74° | — | — |
| 1993 | 88° | 72° | 80° | — | — |
| 1992 | 80° | 75° | 78° | — | — |
| 1991 | 81° | 78° | 79° | — | — |
| 1990 | 82° | 75° | 79° | — | — |
| 1989 | 83° | 76° | 79° | — | — |
| 1988 | 84° | 75° | 80° | — | — |
| 1987 | 80° | 76° | 78° | — | — |
| 1986 | 83° | 65° | 74° | — | — |
| 1985 | 92° | 70° | 81° | — | — |
| 1984 | 83° | 78° | 80° | — | — |
| 1983 | 81° | 78° | 79° | — | — |
| 1982 | 82° | 74° | 78° | 0.3" | — |
| 1981 | 87° | 75° | 81° | 1.3" | — |
| 1980 | 83° | 75° | 79° | 2.44" | — |
| 1979 | 81° | 72° | 76° | — | — |
| 1978 | 82° | 76° | 79° | — | — |
| 1977 | 78° | 74° | 76° | — | — |
| 1976 | 80° | 69° | 75° | 1.32" | — |
| 1975 | 89° | 75° | 82° | — | — |
| 1974 | 81° | 73° | 77° | 1.7" | — |
| 1973coldest | 83° | 65° | 74° | — | — |
| 1972 | 85° | 67° | 76° | 0.71" | — |
| 1971 | 90° | 71° | 80° | — | — |
55 years of data from MIAMI BAYFRONT PARK