Weather on December 15
Port Saint Lucie, FL
55 Years of Data
Avg High
77°F
Avg Low
60°F
Warmest
2015
77°F avg
Coldest
2010
39°F avg
About This Date
December 15th in Port Saint Lucie, FL typically brings pleasant winter weather, with average highs around 77°F and lows near 60°F. Over 55 years of records, the warmest December 15th was in 2015 (77°F average), while the coldest was 2010 (39°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 40% of December 15th dates historically, with the wettest December 15th recording 3.71" of rain. The last decade has been 6.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.3°F warmer on this date compared to 20-30 years ago.
Planning for December 15th in Port Saint Lucie, FL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 66° | 73° | 0.76" | — |
| 2024 | 75° | 68° | 72° | 1.32" | — |
| 2023 | 73° | 69° | 71° | 0.08" | — |
| 2022 | 78° | 67° | 72° | 0.48" | — |
| 2021 | 77° | 69° | 73° | 2.41" | — |
| 2020 | 84° | 62° | 73° | — | — |
| 2019 | 79° | 58° | 68° | — | — |
| 2018 | 79° | 70° | 74° | — | — |
| 2017 | 71° | 48° | 60° | — | — |
| 2016 | 81° | 64° | 72° | — | — |
| 2015warmest | 86° | 68° | 77° | — | — |
| 2014 | 75° | 60° | 68° | — | — |
| 2013 | 77° | 72° | 74° | 0.13" | — |
| 2012 | 78° | 64° | 71° | 0.76" | — |
| 2011 | 76° | 71° | 73° | — | — |
| 2010coldest | 49° | 30° | 39° | — | — |
| 2009 | 80° | 70° | 75° | 0.25" | — |
| 2008 | 73° | 69° | 71° | — | — |
| 2007 | 75° | 71° | 73° | 3.71" | — |
| 2006 | 75° | 69° | 72° | 1.57" | — |
| 2005 | 75° | 56° | 65° | 0.23" | — |
| 2004 | 63° | 44° | 53° | — | — |
| 2003 | 76° | 53° | 64° | — | — |
| 2002 | 67° | 47° | 57° | — | — |
| 2001 | 80° | 69° | 75° | — | — |
| 2000 | 82° | 47° | 64° | — | — |
| 1999 | 76° | 64° | 70° | 0.38" | — |
| 1998 | 69° | 55° | 62° | — | — |
| 1997 | 84° | 52° | 68° | — | — |
| 1996 | 79° | 56° | 67° | — | — |
| 1995 | 82° | 59° | 71° | — | — |
| 1994 | 78° | 58° | 68° | — | — |
| 1993 | 75° | 60° | 68° | — | — |
| 1992 | 78° | 64° | 71° | — | — |
| 1991 | 78° | 66° | 72° | 2.59" | — |
| 1990 | 74° | 63° | 68° | — | — |
| 1989 | 72° | 40° | 56° | — | — |
| 1988 | 78° | 62° | 70° | — | — |
| 1987 | 81° | 69° | 75° | 0.51" | — |
| 1986 | 85° | 63° | 74° | — | — |
| 1985 | 70° | 40° | 55° | 0.23" | — |
| 1984 | 79° | 65° | 72° | — | — |
| 1983 | 79° | 62° | 70° | 0.84" | — |
| 1982 | 74° | 59° | 66° | — | — |
| 1981 | 75° | 62° | 69° | 0.41" | — |
| 1980 | 77° | 49° | 63° | — | — |
| 1979 | 77° | 65° | 71° | — | — |
| 1978 | 75° | 55° | 65° | — | — |
| 1977 | 80° | 68° | 74° | 1.12" | — |
| 1976 | 81° | 68° | 74° | 0.05" | — |
| 1975 | 79° | 58° | 68° | — | — |
| 1974 | 76° | 68° | 72° | 0.84" | — |
| 1973 | 80° | 53° | 67° | — | — |
| 1972 | 83° | 60° | 71° | 0.48" | — |
| 1971 | 82° | 60° | 71° | 0.13" | — |
55 years of data from NETTLES IS