Weather on August 31
Miami, FL
55 Years of Data
Avg High
88°F
Avg Low
78°F
Warmest
1998
88°F avg
Coldest
1973
76°F avg
About This Date
August 31st in Miami, FL typically brings warm summer weather, with average highs around 88°F and lows near 78°F. Over 55 years of records, the warmest August 31st was in 1998 (88°F average), while the coldest was 1973 (76°F) — a 12°F range across recorded history. Rain or other precipitation has occurred on about 51% of August 31st dates historically, with the wettest August 31st recording 12.32" of rain. The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
Planning for August 31st in Miami, FL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 79° | 84° | 0.91" | — |
| 2024 | 89° | 77° | 83° | 0.15" | — |
| 2023 | 93° | 76° | 84° | — | — |
| 2022 | 92° | 75° | 83° | — | — |
| 2021 | 89° | 77° | 83° | — | — |
| 2020 | 86° | 79° | 82° | — | — |
| 2019 | 89° | 75° | 82° | 1.78" | — |
| 2018 | 86° | 80° | 83° | — | — |
| 2017 | 89° | 81° | 85° | — | — |
| 2016 | 85° | 74° | 79° | 4.78" | — |
| 2015 | 83° | 75° | 79° | 1.27" | — |
| 2014 | 89° | 83° | 86° | — | — |
| 2013 | 86° | 75° | 81° | — | — |
| 2012 | 88° | 82° | 85° | — | — |
| 2011 | 85° | 76° | 80° | 1.63" | — |
| 2010 | 86° | 76° | 81° | 3.73" | — |
| 2009 | 89° | 77° | 83° | — | — |
| 2008 | 86° | 77° | 82° | 1.6" | — |
| 2007 | 91° | 80° | 86° | — | — |
| 2006 | 93° | 77° | 85° | 0.18" | — |
| 2005 | 90° | 81° | 85° | 0.71" | — |
| 2004 | 88° | 81° | 84° | — | — |
| 2003 | 87° | 78° | 83° | 0.1" | — |
| 2002 | 88° | 76° | 82° | 0.18" | — |
| 2001 | 91° | 81° | 86° | — | — |
| 2000 | 88° | 79° | 83° | 2.95" | — |
| 1999 | 91° | 80° | 86° | 0.33" | — |
| 1998warmest | 95° | 80° | 88° | — | — |
| 1997 | 86° | 78° | 82° | 0.2" | — |
| 1996 | 93° | 81° | 87° | — | — |
| 1995 | 92° | 80° | 86° | — | — |
| 1994 | 87° | 78° | 83° | — | — |
| 1993 | 88° | 80° | 84° | — | — |
| 1992 | 88° | 81° | 84° | 0.89" | — |
| 1991 | 87° | 80° | 84° | 1.4" | — |
| 1990 | 91° | 81° | 86° | — | — |
| 1989 | 90° | 81° | 85° | — | — |
| 1988 | 86° | 73° | 80° | 1.65" | — |
| 1987 | 88° | 83° | 85° | — | — |
| 1986 | 87° | 73° | 80° | 1.09" | — |
| 1985 | 87° | 79° | 83° | — | — |
| 1984 | 85° | 77° | 81° | 0.2" | — |
| 1983 | 88° | 79° | 83° | 0.08" | — |
| 1982 | 88° | 81° | 84° | — | — |
| 1981 | 92° | 78° | 85° | 1.4" | — |
| 1980 | 87° | 78° | 83° | 0.08" | — |
| 1979 | 86° | 77° | 82° | — | — |
| 1978 | 85° | 75° | 80° | 0.23" | — |
| 1977 | 87° | 78° | 83° | 0.23" | — |
| 1976 | 84° | 77° | 81° | 0.13" | — |
| 1975 | 87° | 78° | 83° | — | — |
| 1974 | 86° | 80° | 83° | — | — |
| 1973coldest | 80° | 72° | 76° | 12.32" | — |
| 1972 | 86° | 74° | 80° | 0.13" | — |
| 1971 | 86° | 80° | 83° | — | — |
55 years of data from MIAMI BAYFRONT PARK