Weather on December 21
Miami, FL
55 Years of Data
Avg High
75°F
Avg Low
63°F
Warmest
2013
78°F avg
Coldest
1981
49°F avg
About This Date
December 21st in Miami, FL typically brings pleasant winter weather, with average highs around 75°F and lows near 63°F. Over 55 years of records, the warmest December 21st was in 2013 (78°F average), while the coldest was 1981 (49°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 22% of December 21st dates historically, with the wettest December 21st recording 4.39" of rain. The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Miami, FL? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 70° | 75° | — | — |
| 2024 | 79° | 54° | 66° | — | — |
| 2023 | 69° | 59° | 64° | — | — |
| 2022 | 80° | 69° | 75° | 0.71" | — |
| 2021 | 76° | 70° | 73° | — | — |
| 2020 | 68° | 60° | 64° | — | — |
| 2019 | 76° | 55° | 65° | — | — |
| 2018 | 81° | 69° | 75° | 2.51" | — |
| 2017 | 82° | 66° | 74° | — | — |
| 2016 | 82° | 71° | 77° | — | — |
| 2015 | 80° | 72° | 76° | — | — |
| 2014 | 77° | 65° | 71° | — | — |
| 2013warmest | 80° | 75° | 78° | — | — |
| 2012 | 81° | 74° | 77° | — | — |
| 2011 | 76° | 71° | 73° | — | — |
| 2010 | 68° | 49° | 58° | — | — |
| 2009 | 62° | 51° | 57° | — | — |
| 2008 | 77° | 63° | 70° | — | — |
| 2007 | 83° | 70° | 76° | 0.48" | — |
| 2006 | 77° | 73° | 75° | — | — |
| 2005 | 69° | 62° | 66° | — | — |
| 2004 | 69° | 50° | 60° | — | — |
| 2003 | 68° | 48° | 58° | — | — |
| 2002 | 72° | 55° | 63° | — | — |
| 2001 | 75° | 59° | 67° | — | — |
| 2000 | 70° | 48° | 59° | — | — |
| 1999 | 81° | 71° | 76° | — | — |
| 1998 | 79° | 76° | 77° | 0.13" | — |
| 1997 | 75° | 70° | 72° | — | — |
| 1996 | 68° | 53° | 61° | — | — |
| 1995 | 72° | 52° | 62° | — | — |
| 1994 | 76° | 68° | 72° | 4.39" | — |
| 1993 | 81° | 69° | 75° | — | — |
| 1992 | 78° | 72° | 75° | — | — |
| 1991 | 73° | 67° | 70° | — | — |
| 1990 | 82° | 71° | 77° | — | — |
| 1989 | 81° | 71° | 76° | 0.08" | — |
| 1988 | 77° | 71° | 74° | 0.08" | — |
| 1987 | 77° | 73° | 75° | — | — |
| 1986 | 74° | 63° | 68° | 1.8" | — |
| 1985 | 67° | 57° | 62° | — | — |
| 1984 | 76° | 73° | 74° | — | — |
| 1983 | 80° | 72° | 76° | — | — |
| 1982 | 68° | 50° | 59° | — | — |
| 1981coldest | 68° | 30° | 49° | — | — |
| 1980 | 75° | 60° | 68° | — | — |
| 1979 | 74° | 62° | 68° | — | — |
| 1978 | 80° | 70° | 75° | — | — |
| 1977 | 79° | 54° | 66° | — | — |
| 1976 | 75° | 52° | 63° | 0.36" | — |
| 1975 | 70° | 50° | 60° | — | — |
| 1974 | 79° | 66° | 72° | 1.3" | — |
| 1973 | 66° | 61° | 63° | — | — |
| 1972 | 77° | 64° | 71° | 0.28" | — |
| 1971 | 82° | 70° | 76° | 0.05" | — |
55 years of data from MIAMI BAYFRONT PARK