Weather on March 31 at Dry Tortugas
Dry Tortugas National Park
Based on 56 years of data from Key West, FL
Planning Your Visit
March 31st in Dry Tortugas National Park (via Key West, FL) typically brings warm spring weather, with average highs around 81°F and lows near 72°F. Over 56 years of records, the warmest March 31st was in 1975 (83°F average), while the coldest was 2003 (62°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 7% of March 31st dates historically, with the wettest March 31st recording 1.57" 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 March 31st in Dry Tortugas? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 86°F | 72°F | 1.52" | -- |
| 2025 | 88°F | 74°F | 0" | -- |
| 2024 | 82°F | 70°F | 0" | -- |
| 2023 | 85°F | 76°F | 0" | -- |
| 2022 | 81°F | 74°F | 0" | -- |
| 2021 | 83°F | 73°F | 0" | -- |
| 2020 | 88°F | 75°F | 0" | -- |
| 2019 | 84°F | 71°F | 0" | -- |
| 2018 | 82°F | 70°F | 0" | -- |
| 2017 | 85°F | 75°F | 0" | -- |
| 2016 | 82°F | 75°F | 0" | -- |
| 2015 | 81°F | 63°F | 0" | -- |
| 2014 | 73°F | 65°F | 0" | -- |
| 2013 | 80°F | 68°F | 0" | -- |
| 2012 | 80°F | 74°F | 0" | -- |
| 2011 | 87°F | 75°F | 0" | -- |
| 2010 | 69°F | 62°F | 0" | 0" |
| 2009 | 82°F | 70°F | 0" | 0" |
| 2008 | 81°F | 72°F | 0" | 0" |
| 2007 | 78°F | 71°F | 0" | 0" |
| 2006 | 76°F | 71°F | 0" | 0" |
| 2005 | 87°F | 74°F | 0" | 0" |
| 2004 | 80°F | 65°F | 0" | 0" |
| 2003 | 65°F | 59°F | 0" | 0" |
| 2002 | 84°F | 76°F | 0" | 0" |
| 2001 | 85°F | 77°F | 0" | 0" |
| 2000 | 86°F | 76°F | 0" | -- |
| 1999 | 82°F | 73°F | 0" | -- |
| 1998 | 85°F | 75°F | 0" | 0" |
| 1997 | 86°F | 73°F | 0" | 0" |
| 1996 | 83°F | 69°F | 0.08" | 0" |
| 1995 | 84°F | 75°F | 0" | 0" |
| 1994 | 80°F | 70°F | 0" | 0" |
| 1993 | 84°F | 76°F | 0" | 0" |
| 1992 | 80°F | 72°F | 0" | 0" |
| 1991 | 82°F | 66°F | 0" | 0" |
| 1990 | 83°F | 76°F | 0" | 0" |
| 1989 | 85°F | 76°F | 0" | 0" |
| 1988 | 81°F | 75°F | 0" | 0" |
| 1987 | 78°F | 62°F | 1.22" | 0" |
| 1986 | 80°F | 69°F | 0" | 0" |
| 1985 | 82°F | 74°F | 0" | 0" |
| 1984 | 70°F | 65°F | 0" | 0" |
| 1983 | 75°F | 66°F | 1.57" | 0" |
| 1982 | 82°F | 72°F | 0" | 0" |
| 1981 | 82°F | 73°F | 0" | 0" |
| 1980 | 85°F | 75°F | 0" | 0" |
| 1979 | 79°F | 72°F | 0" | 0" |
| 1978 | 75°F | 66°F | 0" | 0" |
| 1977 | 85°F | 75°F | 0" | 0" |
| 1976 | 83°F | 75°F | 0" | 0" |
| 1975 | 88°F | 78°F | 0" | 0" |
| 1974 | 84°F | 73°F | 0" | 0" |
| 1973 | 83°F | 76°F | 0" | 0" |
| 1972 | 84°F | 77°F | 0" | 0" |
| 1971 | 73°F | 61°F | 0" | 0" |