Weather on August 21
Hialeah, FL
55 Years of Data
Avg High
91°F
Avg Low
77°F
Warmest
1993
88°F avg
Coldest
1985
72°F avg
About This Date
August 21st in Hialeah, FL typically brings hot summer weather, with average highs around 91°F and lows near 77°F. Over 55 years of records, the warmest August 21st was in 1993 (88°F average), while the coldest was 1985 (72°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 55% of August 21st dates historically, with the wettest August 21st recording 2.97" 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 August 21st in Hialeah, FL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 95° | 79° | 87° | — | — |
| 2024 | 92° | 81° | 86° | — | — |
| 2023 | 89° | 80° | 85° | 0.38" | — |
| 2022 | 92° | 83° | 87° | 0.08" | — |
| 2021 | 91° | 77° | 84° | — | — |
| 2020 | 92° | 76° | 84° | 1.63" | — |
| 2019 | 91° | 79° | 85° | 0.03" | — |
| 2018 | 91° | 79° | 85° | — | — |
| 2017 | 89° | 76° | 82° | 0.15" | — |
| 2016 | 92° | 79° | 85° | — | — |
| 2015 | 92° | 73° | 82° | — | — |
| 2014 | 90° | 80° | 85° | — | — |
| 2013 | 89° | 77° | 83° | 1.85" | — |
| 2012 | 91° | 74° | 82° | 1.09" | — |
| 2011 | 89° | 75° | 82° | 0.61" | — |
| 2010 | 92° | 77° | 84° | — | — |
| 2009 | 91° | 81° | 86° | — | — |
| 2008 | 92° | 72° | 82° | 2.97" | — |
| 2007 | 92° | 82° | 87° | — | — |
| 2006 | 90° | 78° | 84° | 0.81" | — |
| 2005 | 92° | 80° | 86° | 0.28" | — |
| 2004 | 89° | 77° | 83° | 0.03" | — |
| 2003 | 86° | 77° | 82° | 0.2" | — |
| 2002 | 88° | 78° | 83° | — | — |
| 2001 | 90° | 78° | 84° | 0.03" | — |
| 2000 | 91° | 83° | 87° | 2.13" | — |
| 1999 | 91° | 77° | 84° | — | — |
| 1998 | 92° | 82° | 87° | 2.57" | — |
| 1997 | 92° | 79° | 85° | 0.1" | — |
| 1996 | 89° | 77° | 83° | 1.73" | — |
| 1995 | 93° | 80° | 87° | — | — |
| 1994 | 92° | 76° | 84° | — | — |
| 1993warmest | 95° | 80° | 88° | — | — |
| 1992 | 92° | 75° | 83° | 0.05" | — |
| 1991 | 96° | 74° | 85° | 0.15" | — |
| 1990 | 94° | 79° | 86° | — | — |
| 1989 | 90° | 77° | 83° | 0.71" | — |
| 1988 | 94° | 78° | 86° | — | — |
| 1987 | 94° | 79° | 86° | — | — |
| 1986 | 91° | 69° | 80° | — | — |
| 1985coldest | 91° | 53° | 72° | 0.13" | — |
| 1984 | 92° | 72° | 82° | 2.26" | — |
| 1983 | 95° | 77° | 86° | 0.03" | — |
| 1982 | 96° | 78° | 87° | — | — |
| 1981 | 90° | 74° | 82° | 1.52" | — |
| 1980 | 94° | 70° | 82° | 0.38" | — |
| 1979 | 90° | 78° | 84° | — | — |
| 1978 | 90° | 77° | 83° | — | — |
| 1977 | 91° | 77° | 84° | — | — |
| 1976 | 90° | 73° | 81° | 0.13" | — |
| 1975 | 88° | 73° | 80° | 0.79" | — |
| 1974 | 93° | 74° | 83° | 2.74" | — |
| 1973 | 79° | 72° | 75° | 2.16" | — |
| 1972 | 90° | 73° | 81° | — | — |
| 1971 | 90° | 77° | 83° | — | — |
55 years of data from HIALEAH