Weather on December 18 at Dry Tortugas
Dry Tortugas National Park
Based on 55 years of data from Key West, FL
Planning Your Visit
December 18th in Dry Tortugas National Park (via Key West, FL) typically brings pleasant winter weather, with average highs around 76°F and lows near 66°F. Over 55 years of records, the warmest December 18th was in 2019 (80°F average), while the coldest was 2003 (57°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 18% of December 18th dates historically, with the wettest December 18th recording 1.4" of rain. The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.
Planning for December 18th in Dry Tortugas? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 82°F | 70°F | 0" | -- |
| 2024 | 85°F | 72°F | 0.03" | -- |
| 2023 | 76°F | 67°F | 0.2" | -- |
| 2022 | 82°F | 72°F | 0.05" | -- |
| 2021 | 82°F | 72°F | 0.03" | -- |
| 2020 | 79°F | 59°F | 0" | -- |
| 2019 | 89°F | 72°F | 0.51" | -- |
| 2018 | 71°F | 65°F | 0" | -- |
| 2017 | 81°F | 72°F | 0" | -- |
| 2016 | 82°F | 72°F | 0" | -- |
| 2015 | 82°F | 74°F | 0" | -- |
| 2014 | 72°F | 60°F | 0" | -- |
| 2013 | 75°F | 67°F | 0" | -- |
| 2012 | 81°F | 72°F | 0" | -- |
| 2011 | 78°F | 69°F | 0" | -- |
| 2010 | 73°F | 69°F | 0" | 0" |
| 2009 | 81°F | 72°F | 0.51" | 0" |
| 2008 | 77°F | 68°F | 0" | 0" |
| 2007 | 73°F | 63°F | 0" | 0" |
| 2006 | 75°F | 70°F | 1.4" | 0" |
| 2005 | 83°F | 71°F | 0" | 0" |
| 2004 | 72°F | 59°F | 0.13" | 0" |
| 2003 | 63°F | 52°F | 0" | -- |
| 2002 | 74°F | 67°F | 0" | 0" |
| 2001 | 81°F | 68°F | 0" | 0" |
| 2000 | 70°F | 60°F | 0" | -- |
| 1999 | 82°F | 74°F | 0" | -- |
| 1998 | 72°F | 62°F | 0" | 0" |
| 1997 | 66°F | 54°F | 0" | 0" |
| 1996 | 79°F | 64°F | 0" | 0" |
| 1995 | 80°F | 75°F | 0" | 0" |
| 1994 | 81°F | 72°F | 0" | 0" |
| 1993 | 75°F | 64°F | 0" | 0" |
| 1992 | 82°F | 67°F | 0" | 0" |
| 1991 | 73°F | 65°F | 0" | 0" |
| 1990 | 80°F | 70°F | 0" | 0" |
| 1989 | 82°F | 69°F | 0" | 0" |
| 1988 | 62°F | 55°F | 0" | 0" |
| 1987 | 72°F | 60°F | 0" | 0" |
| 1986 | 82°F | 69°F | 0" | 0" |
| 1985 | 69°F | 63°F | 0" | 0" |
| 1984 | 78°F | 69°F | 0" | 0" |
| 1983 | 82°F | 72°F | 0" | 0" |
| 1982 | 65°F | 55°F | 0" | 0" |
| 1981 | 79°F | 64°F | 0.03" | 0" |
| 1980 | 65°F | 56°F | 0" | 0" |
| 1979 | 69°F | 62°F | 0" | 0" |
| 1978 | 76°F | 66°F | 0" | 0" |
| 1977 | 80°F | 66°F | 0.86" | 0" |
| 1976 | 75°F | 65°F | 0" | 0" |
| 1975 | 80°F | 66°F | 0" | 0" |
| 1974 | 66°F | 59°F | 0" | 0" |
| 1973 | 63°F | 53°F | 0" | 0" |
| 1972 | 71°F | 61°F | 0" | 0" |
| 1971 | 78°F | 71°F | 0" | 0" |