Weather on August 15 at Biscayne
Biscayne National Park
Based on 55 years of data from Miami, FL
Planning Your Visit
August 15th in Biscayne National Park (via Miami, FL) typically brings warm summer weather, with average highs around 89°F and lows near 79°F. Over 55 years of records, the warmest August 15th was in 1993 (88°F average), while the coldest was 1988 (77°F) — a 11°F range across recorded history. Rain or other precipitation has occurred on about 45% of August 15th dates historically, with the wettest August 15th recording 7.29" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for August 15th 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 | 92°F | 81°F | 0" | -- |
| 2024 | 93°F | 81°F | 0.2" | -- |
| 2023 | 94°F | 83°F | 0" | -- |
| 2022 | 90°F | 77°F | 0.3" | -- |
| 2021 | 89°F | 79°F | 1.04" | -- |
| 2020 | 91°F | 81°F | 0" | -- |
| 2019 | 91°F | 77°F | 0.38" | -- |
| 2018 | 92°F | 79°F | 0" | -- |
| 2017 | 89°F | 80°F | 0" | -- |
| 2016 | 90°F | 79°F | 0.25" | -- |
| 2015 | 88°F | 75°F | 0" | -- |
| 2014 | 89°F | 73°F | 0" | -- |
| 2013 | 90°F | 78°F | 0" | -- |
| 2012 | 90°F | 84°F | 0" | -- |
| 2011 | 89°F | 79°F | 0" | -- |
| 2010 | 90°F | 83°F | 0" | 0" |
| 2009 | 89°F | 76°F | 0" | 0" |
| 2008 | 95°F | 77°F | 1.07" | 0" |
| 2007 | 91°F | 78°F | 1.07" | 0" |
| 2006 | 89°F | 78°F | 3.76" | -- |
| 2005 | 91°F | 79°F | 0" | 0" |
| 2004 | 87°F | 83°F | 0" | 0" |
| 2003 | 90°F | 76°F | 0.13" | 0" |
| 2002 | 90°F | 79°F | 0.13" | 0" |
| 2001 | 93°F | 79°F | 0" | 0" |
| 2000 | 89°F | 73°F | 1.55" | 0" |
| 1999 | 90°F | 78°F | 0.3" | 0" |
| 1998 | 87°F | 72°F | 0.56" | 0" |
| 1997 | 90°F | 81°F | 0" | 0" |
| 1996 | 91°F | 83°F | 0" | 0" |
| 1995 | 94°F | 81°F | 0" | 0" |
| 1994 | 89°F | 81°F | 0" | 0" |
| 1993 | 93°F | 83°F | 0" | 0" |
| 1992 | 89°F | 80°F | 0.05" | 0" |
| 1991 | 88°F | 80°F | 0" | 0" |
| 1990 | 88°F | 82°F | 0" | 0" |
| 1989 | 90°F | 76°F | 1.32" | 0" |
| 1988 | 80°F | 74°F | 7.29" | 0" |
| 1987 | 88°F | 81°F | 0" | 0" |
| 1986 | 87°F | 80°F | 0" | 0" |
| 1985 | 88°F | 79°F | 0.13" | 0" |
| 1984 | 87°F | 83°F | 0" | 0" |
| 1983 | 89°F | 79°F | 0.08" | 0" |
| 1982 | 86°F | 76°F | 0.15" | 0" |
| 1981 | 84°F | 76°F | 0.53" | 0" |
| 1980 | 85°F | 76°F | 0" | 0" |
| 1979 | 88°F | 82°F | 0.08" | 0" |
| 1978 | 86°F | 81°F | 0" | 0" |
| 1977 | 86°F | 80°F | 0.13" | 0" |
| 1976 | 88°F | 76°F | 1.14" | 0" |
| 1975 | 87°F | 81°F | 0" | 0" |
| 1974 | 86°F | 77°F | 0.33" | 0" |
| 1973 | 87°F | 70°F | 0.94" | 0" |
| 1972 | 86°F | 82°F | 0" | 0" |
| 1971 | 91°F | 75°F | 0" | 0" |