Weather on May 31 at Dry Tortugas
Dry Tortugas National Park
Based on 55 years of data from Key West, FL
Planning Your Visit
May 31st in Dry Tortugas National Park (via Key West, FL) typically brings warm spring weather, with average highs around 87°F and lows near 77°F. Over 55 years of records, the warmest May 31st was in 2024 (89°F average), while the coldest was 1984 (77°F) — a 12°F range across recorded history. Rain or other precipitation has occurred on about 31% of May 31st dates historically, with the wettest May 31st recording 3.2" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for May 31st in Dry Tortugas? 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 | 95°F | 78°F | 0" | -- |
| 2024 | 98°F | 81°F | 0" | -- |
| 2023 | 91°F | 74°F | 3" | -- |
| 2022 | 87°F | 76°F | 0" | -- |
| 2021 | 90°F | 78°F | 0" | -- |
| 2020 | 90°F | 80°F | 0" | -- |
| 2019 | 91°F | 82°F | 0" | -- |
| 2018 | 83°F | 78°F | 0" | -- |
| 2017 | 91°F | 81°F | 0" | -- |
| 2016 | 88°F | 77°F | 0" | -- |
| 2015 | 87°F | 77°F | 0" | -- |
| 2014 | 88°F | 80°F | 0" | -- |
| 2013 | 84°F | 75°F | 0" | -- |
| 2012 | 86°F | 76°F | 0.25" | -- |
| 2011 | 85°F | 74°F | 0.25" | -- |
| 2010 | 88°F | 75°F | 0" | 0" |
| 2009 | 84°F | 75°F | 0.08" | 0" |
| 2008 | 89°F | 81°F | 0" | -- |
| 2007 | 81°F | 76°F | 0" | 0" |
| 2006 | 90°F | 74°F | 0.58" | 0" |
| 2005 | 88°F | 84°F | 0" | 0" |
| 2004 | 90°F | 80°F | 0" | -- |
| 2003 | 90°F | 75°F | 0" | 0" |
| 2002 | 86°F | 76°F | 0.03" | 0" |
| 2001 | 87°F | 78°F | 0" | 0" |
| 2000 | 87°F | 78°F | 0.33" | -- |
| 1999 | 86°F | 73°F | 1.93" | -- |
| 1998 | 89°F | 77°F | 0" | 0" |
| 1997 | 86°F | 79°F | 0" | 0" |
| 1996 | 88°F | 77°F | 0" | 0" |
| 1995 | 88°F | 77°F | 0" | 0" |
| 1994 | 90°F | 80°F | 0" | 0" |
| 1993 | 84°F | 74°F | 1.27" | 0" |
| 1992 | 87°F | 75°F | 0" | 0" |
| 1991 | 86°F | 75°F | 0" | 0" |
| 1990 | 87°F | 79°F | 0" | 0" |
| 1989 | 88°F | 78°F | 0" | 0" |
| 1988 | 81°F | 75°F | 1.68" | 0" |
| 1987 | 86°F | 77°F | 0" | 0" |
| 1986 | 87°F | 79°F | 0.08" | 0" |
| 1985 | 87°F | 79°F | 0" | 0" |
| 1984 | 81°F | 74°F | 0.03" | 0" |
| 1983 | 89°F | 73°F | 3.2" | 0" |
| 1982 | 88°F | 80°F | 0.56" | 0" |
| 1981 | 87°F | 80°F | 0" | 0" |
| 1980 | 87°F | 77°F | 0" | 0" |
| 1979 | 86°F | 77°F | 0.2" | 0" |
| 1978 | 87°F | 79°F | 0" | 0" |
| 1977 | 89°F | 77°F | 0.05" | 0" |
| 1976 | 88°F | 79°F | 0" | 0" |
| 1975 | 89°F | 82°F | 0" | 0" |
| 1974 | 87°F | 80°F | 0" | 0" |
| 1973 | 89°F | 81°F | 0" | 0" |
| 1972 | 86°F | 75°F | 0.48" | 0" |
| 1971 | 81°F | 75°F | 0" | 0" |