Weather on August 23 at Biscayne
Biscayne National Park
Based on 55 years of data from Miami, FL
Planning Your Visit
August 23rd in Biscayne National Park (via 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 23rd was in 2025 (88°F average), while the coldest was 1973 (78°F) — a 10°F range across recorded history. Rain or other precipitation has occurred on about 55% of August 23rd dates historically, with the wettest August 23rd recording 2.41" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for August 23rd in Biscayne? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 95°F | 80°F | 1.14" | -- |
| 2024 | 91°F | 72°F | 2.01" | -- |
| 2023 | 91°F | 78°F | 0.38" | -- |
| 2022 | 91°F | 78°F | 0" | -- |
| 2021 | 91°F | 78°F | 0" | -- |
| 2020 | 87°F | 80°F | 0" | -- |
| 2019 | 89°F | 77°F | 0" | -- |
| 2018 | 88°F | 78°F | 0" | -- |
| 2017 | 88°F | 80°F | 0" | -- |
| 2016 | 89°F | 81°F | 0" | -- |
| 2015 | 90°F | 79°F | 0.25" | -- |
| 2014 | 89°F | 81°F | 0" | -- |
| 2013 | 91°F | 80°F | 0" | -- |
| 2012 | 90°F | 76°F | 0" | -- |
| 2011 | 90°F | 83°F | 0" | -- |
| 2010 | 89°F | 75°F | 1.93" | 0" |
| 2009 | 88°F | 75°F | 0.51" | 0" |
| 2008 | 90°F | 72°F | 2.41" | 0" |
| 2007 | 88°F | 76°F | 1.19" | 0" |
| 2006 | 89°F | 77°F | 0.36" | -- |
| 2005 | 89°F | 77°F | 0.94" | 0" |
| 2004 | 87°F | 79°F | 0.74" | 0" |
| 2003 | 88°F | 79°F | 0.51" | 0" |
| 2002 | 90°F | 78°F | 0" | 0" |
| 2001 | 87°F | 73°F | 0.48" | 0" |
| 2000 | 89°F | 80°F | 0.1" | 0" |
| 1999 | 85°F | 74°F | 1.02" | 0" |
| 1998 | 86°F | 80°F | 0.05" | 0" |
| 1997 | 91°F | 79°F | 0" | 0" |
| 1996 | 85°F | 73°F | 1.32" | 0" |
| 1995 | 84°F | 79°F | 2.39" | 0" |
| 1994 | 90°F | 79°F | 0.08" | 0" |
| 1993 | 90°F | 75°F | 2.29" | 0" |
| 1992 | 88°F | 80°F | 0" | 0" |
| 1991 | 82°F | 76°F | 0.38" | 0" |
| 1990 | 90°F | 80°F | 0" | 0" |
| 1989 | 87°F | 78°F | 0.1" | 0" |
| 1988 | 87°F | 82°F | 0" | 0" |
| 1987 | 88°F | 83°F | 0" | 0" |
| 1986 | 87°F | 82°F | 0" | 0" |
| 1985 | 87°F | 81°F | 0" | 0" |
| 1984 | 83°F | 78°F | 0.18" | 0" |
| 1983 | 89°F | 77°F | 0.13" | 0" |
| 1982 | 89°F | 82°F | 0" | 0" |
| 1981 | 87°F | 80°F | 0.05" | 0" |
| 1980 | 90°F | 76°F | 0" | 0" |
| 1979 | 87°F | 79°F | 0.23" | 0" |
| 1978 | 88°F | 78°F | 0.74" | 0" |
| 1977 | 87°F | 75°F | 0.38" | 0" |
| 1976 | 92°F | 74°F | 0.03" | 0" |
| 1975 | 85°F | 81°F | 0" | 0" |
| 1974 | 85°F | 75°F | 0.58" | 0" |
| 1973 | 85°F | 71°F | 0" | 0" |
| 1972 | 88°F | 78°F | 0" | 0" |
| 1971 | 95°F | 74°F | 0" | 0" |