Weather on May 18 at Dry Tortugas
Dry Tortugas National Park
Based on 55 years of data from Key West, FL
Planning Your Visit
May 18th in Dry Tortugas National Park (via Key West, FL) typically brings warm spring weather, with average highs around 86°F and lows near 76°F. Over 55 years of records, the warmest May 18th was in 2024 (89°F average), while the coldest was 1973 (76°F) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 27% of May 18th dates historically, with the wettest May 18th recording 4.95" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for May 18th in Dry Tortugas? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 93°F | 79°F | 0.1" | -- |
| 2024 | 95°F | 82°F | 0" | -- |
| 2023 | 92°F | 74°F | 0" | -- |
| 2022 | 88°F | 76°F | 0" | -- |
| 2021 | 83°F | 77°F | 0" | -- |
| 2020 | 90°F | 78°F | 0" | -- |
| 2019 | 90°F | 80°F | 0" | -- |
| 2018 | 84°F | 74°F | 0" | -- |
| 2017 | 86°F | 78°F | 0" | -- |
| 2016 | 91°F | 80°F | 0" | -- |
| 2015 | 86°F | 78°F | 0" | -- |
| 2014 | 83°F | 77°F | 0" | -- |
| 2013 | 83°F | 77°F | 0" | -- |
| 2012 | 84°F | 70°F | 4.95" | -- |
| 2011 | 83°F | 75°F | 0" | -- |
| 2010 | 88°F | 76°F | 0" | 0" |
| 2009 | 82°F | 72°F | 0.64" | 0" |
| 2008 | 90°F | 73°F | 0" | 0" |
| 2007 | 85°F | 77°F | 0" | 0" |
| 2006 | 78°F | 74°F | 0" | 0" |
| 2005 | 90°F | 72°F | 1.27" | 0" |
| 2004 | 83°F | 75°F | 0" | 0" |
| 2003 | 87°F | 80°F | 0" | 0" |
| 2002 | 86°F | 79°F | 0" | 0" |
| 2001 | 84°F | 71°F | 0" | 0" |
| 2000 | 87°F | 78°F | 0" | -- |
| 1999 | 87°F | 75°F | 0.15" | -- |
| 1998 | 85°F | 73°F | 0" | 0" |
| 1997 | 88°F | 77°F | 0" | 0" |
| 1996 | 85°F | 77°F | 0" | 0" |
| 1995 | 88°F | 80°F | 0" | 0" |
| 1994 | 89°F | 74°F | 2.31" | 0" |
| 1993 | 86°F | 74°F | 0" | 0" |
| 1992 | 84°F | 76°F | 0.64" | 0" |
| 1991 | 85°F | 76°F | 0.03" | 0" |
| 1990 | 87°F | 79°F | 0" | 0" |
| 1989 | 89°F | 81°F | 0" | 0" |
| 1988 | 84°F | 73°F | 0" | 0" |
| 1987 | 85°F | 77°F | 0" | 0" |
| 1986 | 85°F | 74°F | 1.07" | 0" |
| 1985 | 86°F | 77°F | 0" | 0" |
| 1984 | 82°F | 72°F | 0" | 0" |
| 1983 | 85°F | 79°F | 0" | 0" |
| 1982 | 82°F | 72°F | 0" | 0" |
| 1981 | 86°F | 78°F | 0" | 0" |
| 1980 | 87°F | 79°F | 0" | 0" |
| 1979 | 84°F | 75°F | 0.03" | 0" |
| 1978 | 84°F | 73°F | 0.03" | 0" |
| 1977 | 85°F | 75°F | 0" | 0" |
| 1976 | 87°F | 77°F | 0" | 0" |
| 1975 | 90°F | 74°F | 1.37" | 0" |
| 1974 | 86°F | 76°F | 0.36" | 0" |
| 1973 | 81°F | 71°F | 0" | 0" |
| 1972 | 81°F | 74°F | 2.84" | 0" |
| 1971 | 83°F | 76°F | 0.13" | 0" |