Weather on December 17 at Biscayne
Biscayne National Park
FLSoutheast
Avg High76°F
Avg Low63°F
Warmest200979°F
Coldest197355°F
Based on 55 years of data from Miami, FL
Planning Your Visit
December 17th in Biscayne National Park (via Miami, FL) typically brings pleasant winter weather, with average highs around 76°F and lows near 63°F. Over 55 years of records, the warmest December 17th was in 2009 (79°F average), while the coldest was 1973 (55°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 29% of December 17th dates historically, with the wettest December 17th recording 1.68" 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 17th in Biscayne? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 82°F | 65°F | 0" | -- |
| 2024 | 81°F | 71°F | 0.46" | -- |
| 2023 | 79°F | 68°F | 0.84" | -- |
| 2022 | 78°F | 66°F | 0" | -- |
| 2021 | 76°F | 72°F | 0" | -- |
| 2020 | 79°F | 69°F | 0" | -- |
| 2019 | 81°F | 73°F | 0" | -- |
| 2018 | 78°F | 59°F | 0" | -- |
| 2017 | 80°F | 63°F | 0" | -- |
| 2016 | 78°F | 72°F | 0" | -- |
| 2015 | 81°F | 76°F | 0" | -- |
| 2014 | 76°F | 60°F | 0" | -- |
| 2013 | 76°F | 62°F | 0" | -- |
| 2012 | 80°F | 67°F | 0" | -- |
| 2011 | 78°F | 67°F | 0" | -- |
| 2010 | 70°F | 44°F | 0" | 0" |
| 2009 | 84°F | 73°F | 0.76" | 0" |
| 2008 | 80°F | 67°F | 0" | 0" |
| 2007 | 80°F | 52°F | 0.03" | 0" |
| 2006 | 78°F | 73°F | 0.38" | 0" |
| 2005 | 79°F | 70°F | 0.03" | 0" |
| 2004 | 67°F | 58°F | 0" | 0" |
| 2003 | 75°F | 46°F | 0.03" | 0" |
| 2002 | 67°F | 51°F | 0" | 0" |
| 2001 | 81°F | 67°F | 0" | 0" |
| 2000 | 83°F | 74°F | 0" | 0" |
| 1999 | 78°F | 69°F | 0.51" | 0" |
| 1998 | 72°F | 55°F | 0" | 0" |
| 1997 | 72°F | 53°F | 0" | 0" |
| 1996 | 77°F | 68°F | 0" | 0" |
| 1995 | 77°F | 74°F | 0" | 0" |
| 1994 | 80°F | 71°F | 0.15" | 0" |
| 1993 | 72°F | 52°F | 0" | 0" |
| 1992 | 77°F | 73°F | 0" | 0" |
| 1991 | 72°F | 58°F | 0" | 0" |
| 1990 | 83°F | 66°F | 0" | 0" |
| 1989 | 76°F | 63°F | 0.97" | 0" |
| 1988 | 69°F | 51°F | 0" | 0" |
| 1987 | 68°F | 48°F | 0" | 0" |
| 1986 | 78°F | 68°F | 0" | 0" |
| 1985 | 67°F | 58°F | 1.68" | 0" |
| 1984 | 75°F | 69°F | 0.13" | 0" |
| 1983 | 79°F | 72°F | 0" | 0" |
| 1982 | 71°F | 51°F | 0.81" | 0" |
| 1981 | 70°F | 54°F | 0" | 0" |
| 1980 | 72°F | 62°F | 0.15" | 0" |
| 1979 | 72°F | 58°F | 0" | 0" |
| 1978 | 81°F | 68°F | 0" | 0" |
| 1977 | 78°F | 70°F | 0.41" | 0" |
| 1976 | 71°F | 58°F | 0" | 0" |
| 1975 | 79°F | 67°F | 0" | 0" |
| 1974 | 73°F | 58°F | 0" | 0" |
| 1973 | 63°F | 48°F | -- | 0" |
| 1972 | 72°F | 55°F | 0" | 0" |
| 1971 | 81°F | 73°F | 0.08" | 0" |
December 17 at Nearby Parks
Holiday Weather at Biscayne
Official NPS WebsiteVisit nps.gov/bisc for park information, alerts, and reservations
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