Weather on May 9 at Biscayne
Biscayne National Park
Based on 55 years of data from Miami, FL
Planning Your Visit
May 9th in Biscayne National Park (via Miami, FL) typically brings warm spring weather, with average highs around 83°F and lows near 73°F. Over 55 years of records, the warmest May 9th was in 1998 (83°F average), while the coldest was 1992 (67°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 20% of May 9th dates historically, with the wettest May 9th recording 2.08" 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 May 9th in Biscayne? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 87°F | 76°F | 0" | -- |
| 2024 | 90°F | 76°F | 0" | -- |
| 2023 | 85°F | 72°F | 0" | -- |
| 2022 | 74°F | 68°F | 1.02" | -- |
| 2021 | 88°F | 72°F | 0" | -- |
| 2020 | 84°F | 71°F | 0" | -- |
| 2019 | 84°F | 75°F | 1.32" | -- |
| 2018 | 87°F | 79°F | 0" | -- |
| 2017 | 81°F | 66°F | 0" | -- |
| 2016 | 77°F | 71°F | 0" | -- |
| 2015 | 84°F | 70°F | 0" | -- |
| 2014 | 83°F | 77°F | 0" | -- |
| 2013 | 82°F | 68°F | 0" | -- |
| 2012 | 82°F | 72°F | 1.02" | -- |
| 2011 | 83°F | 73°F | 0" | -- |
| 2010 | 86°F | 77°F | 0" | 0" |
| 2009 | 83°F | 74°F | 0" | 0" |
| 2008 | 86°F | 77°F | 0" | -- |
| 2007 | 86°F | 65°F | 0" | 0" |
| 2006 | 85°F | 76°F | 0" | 0" |
| 2005 | 83°F | 74°F | 0" | 0" |
| 2004 | 78°F | 74°F | 0" | 0" |
| 2003 | 85°F | 77°F | 0" | 0" |
| 2002 | 87°F | 76°F | 0" | 0" |
| 2001 | 77°F | 68°F | 0" | 0" |
| 2000 | 83°F | 75°F | 0" | 0" |
| 1999 | 85°F | 77°F | 0" | 0" |
| 1998 | 92°F | 74°F | 0" | 0" |
| 1997 | 84°F | 75°F | 0" | 0" |
| 1996 | 82°F | 74°F | 0" | 0" |
| 1995 | 83°F | 78°F | 0" | 0" |
| 1994 | 84°F | 74°F | 0" | -- |
| 1993 | 79°F | 75°F | 0" | 0" |
| 1992 | 76°F | 59°F | 0" | 0" |
| 1991 | 83°F | 77°F | 0" | 0" |
| 1990 | 82°F | 75°F | 0" | 0" |
| 1989 | 80°F | 74°F | 0" | 0" |
| 1988 | 78°F | 72°F | 0" | 0" |
| 1987 | 82°F | 69°F | 1.12" | 0" |
| 1986 | 90°F | 74°F | 0" | 0" |
| 1985 | 85°F | 65°F | 0" | 0" |
| 1984 | 84°F | 67°F | 0.08" | 0" |
| 1983 | 80°F | 75°F | 0" | 0" |
| 1982 | 81°F | 69°F | 0.05" | 0" |
| 1981 | 80°F | 68°F | 0.13" | 0" |
| 1980 | 89°F | 70°F | 2.08" | 0" |
| 1979 | 81°F | 76°F | 0.05" | 0" |
| 1978 | 84°F | 78°F | 0" | 0" |
| 1977 | 86°F | 69°F | 1.04" | 0" |
| 1976 | 82°F | 75°F | 0" | 0" |
| 1975 | 84°F | 76°F | 0" | 0" |
| 1974 | 81°F | 70°F | 0" | 0" |
| 1973 | 85°F | 73°F | 0.33" | 0" |
| 1972 | 84°F | 76°F | 0" | 0" |
| 1971 | 83°F | 75°F | 0" | 0" |