Weather on May 21
West Palm Beach, FL
55 Years of Data
Avg High
87°F
Avg Low
72°F
Warmest
2008
86°F avg
Coldest
1979
72°F avg
About This Date
May 21st in West Palm Beach, FL typically brings warm spring weather, with average highs around 87°F and lows near 72°F. Over 55 years of records, the warmest May 21st was in 2008 (86°F average), while the coldest was 1979 (72°F) — a 14°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 5.72" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for May 21st in West Palm Beach, FL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 95° | 77° | 86° | — | — |
| 2024 | 90° | 75° | 82° | — | — |
| 2023 | 90° | 74° | 82° | 0.03" | — |
| 2022 | 88° | 79° | 83° | — | — |
| 2021 | 86° | 76° | 81° | — | — |
| 2020 | 89° | 73° | 81° | 0.08" | — |
| 2019 | 87° | 73° | 80° | — | — |
| 2018 | 84° | 71° | 78° | 0.38" | — |
| 2017 | 87° | 75° | 81° | — | — |
| 2016 | 91° | 72° | 81° | — | — |
| 2015 | 91° | 74° | 82° | 0.15" | — |
| 2014 | 83° | 74° | 78° | — | — |
| 2013 | 81° | 68° | 74° | 2.34" | — |
| 2012 | 85° | 69° | 77° | 1.17" | — |
| 2011 | 92° | 75° | 83° | — | — |
| 2010 | 86° | 73° | 80° | — | — |
| 2009 | 83° | 70° | 76° | 4.72" | — |
| 2008warmest | 96° | 75° | 86° | — | — |
| 2007 | 83° | 75° | 79° | — | — |
| 2006 | 86° | 67° | 76° | — | — |
| 2005 | 89° | 70° | 79° | 0.58" | — |
| 2004 | 84° | 75° | 80° | — | — |
| 2003 | 87° | 77° | 82° | 0.05" | — |
| 2002 | 84° | 70° | 77° | — | — |
| 2001 | 88° | 77° | 82° | — | — |
| 2000 | 86° | 67° | 76° | — | — |
| 1999 | 86° | 71° | 79° | 0.03" | — |
| 1998 | 91° | 70° | 80° | — | — |
| 1997 | 88° | 75° | 81° | — | — |
| 1996 | 80° | 74° | 77° | 4.62" | — |
| 1995 | 84° | 71° | 78° | — | — |
| 1994 | 84° | 64° | 74° | — | — |
| 1993 | 88° | 67° | 77° | — | — |
| 1992 | 82° | 70° | 76° | 0.03" | — |
| 1991 | 85° | 79° | 82° | — | — |
| 1990 | 88° | 72° | 80° | 0.03" | — |
| 1989 | 90° | 68° | 79° | — | — |
| 1988 | 89° | 75° | 82° | — | — |
| 1987 | 83° | 69° | 76° | — | — |
| 1986 | 90° | 70° | 80° | 0.48" | — |
| 1985 | 89° | 70° | 79° | 0.05" | — |
| 1984 | 85° | 74° | 79° | 0.1" | — |
| 1983 | 84° | 76° | 80° | — | — |
| 1982 | 84° | 72° | 78° | 2.24" | — |
| 1981 | 89° | 71° | 80° | — | — |
| 1980 | 83° | 69° | 76° | 5.72" | — |
| 1979coldest | 83° | 61° | 72° | — | — |
| 1978 | 86° | 71° | 79° | — | — |
| 1977 | 83° | 73° | 78° | — | — |
| 1976 | 81° | 76° | 78° | 0.38" | — |
| 1975 | 84° | 69° | 77° | — | — |
| 1974 | 84° | 76° | 80° | — | — |
| 1973 | 88° | 66° | 77° | — | — |
| 1972 | 84° | 65° | 74° | 0.64" | — |
| 1971 | 92° | 70° | 81° | — | — |
55 years of data from W PALM BEACH INTL AP