Weather on December 21
Boca Raton, FL
55 Years of Data
Avg High
77°F
Avg Low
61°F
Warmest
2013
80°F avg
Coldest
1996
52°F avg
About This Date
December 21st in Boca Raton, FL typically brings pleasant winter weather, with average highs around 77°F and lows near 61°F. Over 54 years of records, the warmest December 21st was in 2013 (80°F average), while the coldest was 1996 (52°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 30% of December 21st dates historically, with the wettest December 21st recording 4.93" of rain. The last decade has been 8.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 8.9°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Boca Raton, FL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 68° | 75° | 0.86" | — |
| 2024 | 71° | 52° | 61° | — | — |
| 2023 | 77° | 68° | 73° | — | — |
| 2022 | 80° | 71° | 76° | 0.08" | — |
| 2021 | 81° | 70° | 75° | 0.05" | — |
| 2020 | 76° | 60° | 68° | — | — |
| 2019 | 78° | 70° | 74° | 2.31" | — |
| 2018 | 74° | 59° | 66° | — | — |
| 2017 | 83° | 66° | 74° | — | — |
| 2016 | 75° | 68° | 72° | 0.05" | — |
| 2015 | 82° | 73° | 78° | 0.79" | — |
| 2014 | 81° | 63° | 72° | — | — |
| 2013warmest | 83° | 77° | 80° | — | — |
| 2012 | 72° | 51° | 61° | — | — |
| 2011 | 80° | 73° | 77° | — | — |
| 2010 | 72° | 51° | 61° | — | — |
| 2009 | 64° | 49° | 56° | — | — |
| 2008 | 79° | 62° | 70° | — | — |
| 2007 | 83° | 62° | 72° | — | — |
| 2006 | 80° | 74° | 77° | — | — |
| 2005 | 68° | 54° | 61° | — | — |
| 2004 | 70° | 48° | 59° | — | — |
| 2003 | 66° | 46° | 56° | — | — |
| 2002 | 72° | 51° | 61° | — | — |
| 2001 | 76° | 56° | 66° | — | — |
| 2000 | 69° | 45° | 57° | — | — |
| 1999 | 80° | 69° | 75° | 0.3" | — |
| 1998 | 81° | 71° | 76° | 0.15" | — |
| 1997 | 73° | 51° | 62° | — | — |
| 1996coldest | 58° | 46° | 52° | — | — |
| 1995 | 69° | 48° | 59° | — | — |
| 1994 | 75° | 63° | 69° | 4.93" | — |
| 1993 | 80° | 69° | 75° | 0.03" | — |
| 1992 | 83° | 65° | 74° | — | — |
| 1991 | 73° | 65° | 69° | — | — |
| 1990 | 84° | 74° | 79° | — | — |
| 1989 | 81° | 65° | 73° | 0.05" | — |
| 1988 | 80° | 70° | 75° | 1.07" | — |
| 1987 | 81° | 73° | 77° | — | — |
| 1986 | 74° | 60° | 67° | — | — |
| 1985 | 65° | 54° | 59° | 2.29" | — |
| 1984 | 83° | 62° | 72° | — | — |
| 1983 | 82° | 68° | 75° | — | — |
| 1982 | 73° | 42° | 58° | — | — |
| 1981 | 72° | 45° | 58° | — | — |
| 1980 | 76° | 57° | 66° | 0.13" | — |
| 1979 | 78° | 58° | 68° | — | — |
| 1978 | 86° | 60° | 73° | — | — |
| 1976 | 81° | 63° | 72° | 0.71" | — |
| 1975 | — | 55° | — | — | — |
| 1974 | 79° | 67° | 73° | — | — |
| 1973 | 75° | 58° | 66° | — | — |
| 1972 | 86° | 72° | 79° | — | — |
| 1971 | 85° | 71° | 78° | 0.03" | — |
54 years of data from POMPANO BEACH AIRPARK