Weather on April 21 at Dry Tortugas
Dry Tortugas National Park
Based on 55 years of data from Key West, FL
Planning Your Visit
April 21st in Dry Tortugas National Park (via Key West, FL) typically brings warm spring weather, with average highs around 83°F and lows near 73°F. Over 55 years of records, the warmest April 21st was in 2020 (84°F average), while the coldest was 1993 (72°F) — a 12°F range across recorded history. Rain or other precipitation has occurred on about 13% of April 21st dates historically, with the wettest April 21st recording 2.62" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for April 21st in Dry Tortugas? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 88°F | 73°F | 0" | -- |
| 2024 | 91°F | 75°F | 0" | -- |
| 2023 | 91°F | 73°F | 0" | -- |
| 2022 | 84°F | 73°F | 0.05" | -- |
| 2021 | 80°F | 78°F | 0" | -- |
| 2020 | 89°F | 79°F | 0" | -- |
| 2019 | 81°F | 67°F | 0" | -- |
| 2018 | 84°F | 72°F | 0" | -- |
| 2017 | 80°F | 73°F | 0.18" | -- |
| 2016 | 81°F | 71°F | 2.62" | -- |
| 2015 | 87°F | 79°F | 0" | -- |
| 2014 | 77°F | 69°F | 0" | -- |
| 2013 | 87°F | 76°F | 0" | -- |
| 2012 | 87°F | 67°F | 2.51" | -- |
| 2011 | 85°F | 76°F | 0" | -- |
| 2010 | 80°F | 70°F | 0" | 0" |
| 2009 | 87°F | 72°F | 0" | 0" |
| 2008 | 83°F | 70°F | 0" | 0" |
| 2007 | 81°F | 71°F | 0" | 0" |
| 2006 | 88°F | 75°F | 0" | 0" |
| 2005 | 84°F | 68°F | 0" | 0" |
| 2004 | 81°F | 70°F | 0" | 0" |
| 2003 | 83°F | 74°F | -- | -- |
| 2002 | 84°F | 73°F | 0" | 0" |
| 2001 | 82°F | 71°F | 0" | 0" |
| 2000 | 84°F | 72°F | 0" | -- |
| 1999 | 81°F | 69°F | 0" | -- |
| 1998 | 86°F | 72°F | 0" | 0" |
| 1997 | 82°F | 68°F | 0.2" | 0" |
| 1996 | 83°F | 75°F | 0" | 0" |
| 1995 | 84°F | 76°F | 0" | 0" |
| 1994 | 86°F | 78°F | 0" | 0" |
| 1993 | 81°F | 64°F | 0" | 0" |
| 1992 | 85°F | 78°F | 0" | 0" |
| 1991 | 81°F | 73°F | 0" | 0" |
| 1990 | 83°F | 72°F | 0" | 0" |
| 1989 | 81°F | 72°F | 0" | 0" |
| 1988 | 81°F | 74°F | 0" | 0" |
| 1987 | 79°F | 69°F | 0" | 0" |
| 1986 | 82°F | 73°F | 0" | 0" |
| 1985 | 82°F | 71°F | 0.56" | 0" |
| 1984 | 83°F | 73°F | 0" | 0" |
| 1983 | 81°F | 68°F | 0" | 0" |
| 1982 | 84°F | 76°F | 0" | 0" |
| 1981 | 82°F | 71°F | 0" | 0" |
| 1980 | 77°F | 68°F | 0.48" | 0" |
| 1979 | 82°F | 74°F | 0" | 0" |
| 1978 | 81°F | 75°F | 0" | 0" |
| 1977 | 83°F | 75°F | 0" | 0" |
| 1976 | 83°F | 73°F | 0" | 0" |
| 1975 | 86°F | 76°F | 0" | 0" |
| 1974 | 83°F | 74°F | 0" | 0" |
| 1973 | 82°F | 73°F | 0" | 0" |
| 1972 | 83°F | 78°F | 0" | 0" |
| 1971 | 84°F | 72°F | 0" | 0" |