Weather on June 18 at Biscayne
Biscayne National Park
Based on 55 years of data from Miami, FL
Planning Your Visit
June 18th in Biscayne National Park (via Miami, FL) typically brings warm summer weather, with average highs around 86°F and lows near 78°F. Over 55 years of records, the warmest June 18th was in 2018 (87°F average), while the coldest was 2014 (77°F) — a 10°F range across recorded history. Rain or other precipitation has occurred on about 51% of June 18th dates historically, with the wettest June 18th recording 3.3" 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 June 18th 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 | 89°F | 80°F | 0.03" | -- |
| 2024 | 90°F | 78°F | 0.46" | -- |
| 2023 | 90°F | 77°F | 0.81" | -- |
| 2022 | 80°F | 75°F | 1.73" | -- |
| 2021 | 91°F | 79°F | 0.38" | -- |
| 2020 | 83°F | 75°F | 1.04" | -- |
| 2019 | 84°F | 78°F | 2.46" | -- |
| 2018 | 93°F | 80°F | 0" | -- |
| 2017 | 83°F | 75°F | 1.98" | -- |
| 2016 | 91°F | 78°F | 0" | -- |
| 2015 | 86°F | 81°F | 0" | -- |
| 2014 | 81°F | 73°F | 2.87" | -- |
| 2013 | 89°F | 83°F | 0" | -- |
| 2012 | 85°F | 78°F | 0" | -- |
| 2011 | 87°F | 79°F | 0" | -- |
| 2010 | 90°F | 78°F | 0.46" | 0" |
| 2009 | 88°F | 77°F | 0" | 0" |
| 2008 | 90°F | 74°F | 3.3" | -- |
| 2007 | 86°F | 75°F | 1.4" | 0" |
| 2006 | 85°F | 78°F | 0.38" | -- |
| 2005 | 94°F | 79°F | 1.6" | 0" |
| 2004 | 87°F | 76°F | 0.13" | 0" |
| 2003 | 89°F | 79°F | 0" | 0" |
| 2002 | 89°F | 78°F | 0" | 0" |
| 2001 | 90°F | 78°F | 0.1" | 0" |
| 2000 | 86°F | 81°F | 0.05" | 0" |
| 1999 | 83°F | 74°F | 0.86" | 0" |
| 1998 | 88°F | 81°F | 0" | 0" |
| 1997 | 90°F | 80°F | 0" | 0" |
| 1996 | 88°F | 77°F | 0" | 0" |
| 1995 | 84°F | 77°F | 0.51" | 0" |
| 1994 | 89°F | 80°F | 0" | -- |
| 1993 | 84°F | 80°F | 0" | 0" |
| 1992 | 83°F | 77°F | 0" | 0" |
| 1991 | 88°F | 80°F | 0" | 0" |
| 1990 | 87°F | 78°F | 0" | 0" |
| 1989 | 84°F | 80°F | 0" | 0" |
| 1988 | 84°F | 74°F | 0" | 0" |
| 1987 | 87°F | 81°F | 0" | 0" |
| 1986 | 84°F | 80°F | 0" | 0" |
| 1985 | 87°F | 80°F | 0" | 0" |
| 1984 | 83°F | 78°F | 2.08" | 0" |
| 1983 | 83°F | 78°F | 0.18" | 0" |
| 1982 | 84°F | 75°F | 2.79" | 0" |
| 1981 | 84°F | 79°F | 0.08" | 0" |
| 1980 | 85°F | 77°F | 0" | 0" |
| 1979 | 86°F | 77°F | 0.08" | 0" |
| 1978 | 82°F | 73°F | 0.46" | 0" |
| 1977 | 86°F | 80°F | 0" | 0" |
| 1976 | 82°F | 78°F | 0" | 0" |
| 1975 | 85°F | 78°F | 0.2" | 0" |
| 1974 | 86°F | 74°F | 0" | 0" |
| 1973 | 87°F | 74°F | 0.3" | 0" |
| 1972 | 81°F | 79°F | 2.01" | 0" |
| 1971 | 88°F | 75°F | 0" | 0" |