Weather on December 15 at Biscayne
Biscayne National Park
FLSoutheast
Avg High76°F
Avg Low66°F
Warmest200780°F
Coldest201043°F
Based on 55 years of data from Miami, FL
Planning Your Visit
December 15th in Biscayne National Park (via Miami, 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 15th was in 2007 (80°F average), while the coldest was 2010 (43°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 27% of December 15th dates historically, with the wettest December 15th recording 2.74" of rain. The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
Planning for December 15th in Biscayne? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 72°F | 65°F | 0.13" | -- |
| 2024 | 79°F | 71°F | 0.53" | -- |
| 2023 | 67°F | 63°F | 0.43" | -- |
| 2022 | 85°F | 69°F | 0" | -- |
| 2021 | 78°F | 70°F | 0" | -- |
| 2020 | 80°F | 68°F | 0" | -- |
| 2019 | 85°F | 62°F | 0" | -- |
| 2018 | 81°F | 75°F | 0" | -- |
| 2017 | 71°F | 53°F | 0" | -- |
| 2016 | 81°F | 67°F | 0" | -- |
| 2015 | 80°F | 75°F | 0" | -- |
| 2014 | 74°F | 57°F | 0" | -- |
| 2013 | 80°F | 75°F | 0" | -- |
| 2012 | 79°F | 65°F | 0" | -- |
| 2011 | 77°F | 72°F | 0" | -- |
| 2010 | 51°F | 36°F | 0" | 0" |
| 2009 | 83°F | 73°F | 0" | 0" |
| 2008 | 76°F | 56°F | 0" | 0" |
| 2007 | 82°F | 78°F | 0.13" | -- |
| 2006 | 76°F | 71°F | 1.6" | 0" |
| 2005 | 77°F | 58°F | 0" | 0" |
| 2004 | 68°F | 44°F | 0" | 0" |
| 2003 | 72°F | 55°F | 1.5" | 0" |
| 2002 | 67°F | 49°F | 0.25" | 0" |
| 2001 | 83°F | 71°F | 0" | 0" |
| 2000 | 79°F | 75°F | 0.03" | 0" |
| 1999 | 82°F | 72°F | 0.76" | 0" |
| 1998 | 71°F | 58°F | 0" | 0" |
| 1997 | 63°F | 55°F | 1.78" | 0" |
| 1996 | 74°F | 63°F | 0" | 0" |
| 1995 | 78°F | 74°F | 0" | 0" |
| 1994 | 77°F | 61°F | 0" | 0" |
| 1993 | 74°F | 66°F | 0" | 0" |
| 1992 | 76°F | 70°F | 0" | 0" |
| 1991 | 78°F | 69°F | 0" | 0" |
| 1990 | 79°F | 61°F | 0" | 0" |
| 1989 | 74°F | 58°F | 0" | 0" |
| 1988 | 76°F | 70°F | 0" | 0" |
| 1987 | 79°F | 75°F | 0" | 0" |
| 1986 | 77°F | 73°F | 0.48" | 0" |
| 1985 | 70°F | 50°F | 0" | 0" |
| 1984 | 76°F | 72°F | 0" | 0" |
| 1983 | 80°F | 67°F | 2.74" | 0" |
| 1982 | 76°F | 69°F | 0" | 0" |
| 1981 | 79°F | 61°F | 0.2" | 0" |
| 1980 | 77°F | 62°F | 0" | 0" |
| 1979 | 79°F | 71°F | 0" | 0" |
| 1978 | 76°F | 64°F | 0" | 0" |
| 1977 | 84°F | 73°F | 0" | 0" |
| 1976 | 80°F | 74°F | 0" | 0" |
| 1975 | 75°F | 73°F | 0.03" | 0" |
| 1974 | 78°F | 71°F | 0" | 0" |
| 1973 | 77°F | 64°F | 0" | 0" |
| 1972 | 71°F | 62°F | 2.36" | 0" |
| 1971 | 80°F | 75°F | 0" | 0" |
December 15 at Nearby Parks
Holiday Weather at Biscayne
Official NPS WebsiteVisit nps.gov/bisc for park information, alerts, and reservations
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