Weather on August 9 at Biscayne
Biscayne National Park
Based on 55 years of data from Miami, FL
Planning Your Visit
August 9th 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 9th was in 1999 (88°F average), while the coldest was 2020 (76°F) — a 12°F range across recorded history. Rain or other precipitation has occurred on about 56% of August 9th dates historically, with the wettest August 9th recording 8.99" 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 9th 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 | 90°F | 75°F | 0.2" | -- |
| 2024 | 93°F | 82°F | 0" | -- |
| 2023 | 94°F | 82°F | 0" | -- |
| 2022 | 90°F | 79°F | 0.56" | -- |
| 2021 | 90°F | 76°F | 0" | -- |
| 2020 | 83°F | 70°F | 0" | -- |
| 2019 | 90°F | 78°F | 0" | -- |
| 2018 | 92°F | 80°F | 0" | -- |
| 2017 | 89°F | 83°F | 0" | -- |
| 2016 | 88°F | 74°F | 5.08" | -- |
| 2015 | 90°F | 76°F | 0.76" | -- |
| 2014 | 88°F | 74°F | 0.66" | -- |
| 2013 | 90°F | 77°F | 0.38" | -- |
| 2012 | 90°F | 82°F | 0" | -- |
| 2011 | 87°F | 77°F | 3.66" | -- |
| 2010 | 84°F | 72°F | 5.59" | 0" |
| 2009 | 89°F | 83°F | 0" | 0" |
| 2008 | 90°F | 79°F | 0.2" | 0" |
| 2007 | 90°F | 80°F | 0.05" | 0" |
| 2006 | 87°F | 71°F | 8.99" | -- |
| 2005 | 90°F | 78°F | 0" | 0" |
| 2004 | 88°F | 82°F | 0.03" | 0" |
| 2003 | 90°F | 80°F | 0.48" | 0" |
| 2002 | 84°F | 79°F | 0" | 0" |
| 2001 | 91°F | 80°F | 0" | 0" |
| 2000 | 88°F | 80°F | 0.08" | 0" |
| 1999 | 93°F | 82°F | 0" | 0" |
| 1998 | 89°F | 81°F | 0" | 0" |
| 1997 | 89°F | 79°F | 0.36" | 0" |
| 1996 | 87°F | 77°F | 0.28" | 0" |
| 1995 | 86°F | 80°F | 0" | 0" |
| 1994 | 89°F | 80°F | 0" | 0" |
| 1993 | 87°F | 78°F | 0.25" | 0" |
| 1992 | 85°F | 76°F | 0.15" | 0" |
| 1991 | 90°F | 82°F | 0" | 0" |
| 1990 | 89°F | 76°F | 0.18" | 0" |
| 1989 | 89°F | 74°F | 0.51" | 0" |
| 1988 | 88°F | 76°F | 0.25" | 0" |
| 1987 | 94°F | 79°F | 0" | 0" |
| 1986 | 87°F | 79°F | 1.3" | 0" |
| 1985 | 88°F | 80°F | 0" | 0" |
| 1984 | 87°F | 81°F | 0" | 0" |
| 1983 | 87°F | 79°F | 1.04" | 0" |
| 1982 | 87°F | 79°F | 0" | 0" |
| 1981 | 87°F | 79°F | 0.3" | 0" |
| 1980 | 87°F | 80°F | 0" | 0" |
| 1979 | 85°F | 78°F | 0.2" | 0" |
| 1978 | 86°F | 77°F | 0" | 0" |
| 1977 | 85°F | 80°F | 1.42" | 0" |
| 1976 | 91°F | 75°F | 6.96" | 0" |
| 1975 | 86°F | 79°F | 0.38" | 0" |
| 1974 | 86°F | 80°F | 0" | 0" |
| 1973 | 87°F | 72°F | 0.08" | 0" |
| 1972 | 86°F | 79°F | 0.2" | 0" |
| 1971 | 93°F | 72°F | 0.76" | 0" |