Miami December 21 Weather Records

Daily averages and all-time records for weather in Miami, Florida for the date of December 21.
December 21 All-Time Records
1931–2024
Highest temperature 85 °F 2017
Lowest temperature 34 °F 1935
Lowest daily high 62 °F 1954
Highest daily low 75 °F 2013
Most precipitation 3.15 inches 1994
December 21 Average Weather
1991–2020 1
Average high 77.9 °F
Average low 63.9 °F
Chance precipitation 27.4%
Miami December 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 77 69 0.00 0.0
2022 82 68 0.01 0.0
2021 79 70 0.09 n/a
2020 80 65 0.00 n/a
2019 80 71 0.42 n/a
2018 74 61 0.00 n/a
2017 85 68 0.00 n/a
2016 80 71 0.00 n/a
2015 82 74 0.08 n/a
2014 80 65 0.00 n/a
2013 83 75 0.00 n/a
2012 72 53 0.00 n/a
2011 80 70 0.00 n/a
2010 73 54 0.00 n/a
2009 64 52 0.00 n/a
2008 81 61 0.00 n/a
2007 83 66 0.04 n/a
2006 81 71 0.01 n/a
2005 69 56 0.00 n/a
2004 72 50 0.00 n/a
2003 66 47 0.00 n/a
2002 73 53 0.00 n/a
2001 76 59 0.00 n/a
2000 69 46 0.00 0.0
1999 81 69 0.21 0.0
1998 82 71 0.01 0.0
1997 80 69 0.00 0.0
1996 70 52 0.10 0.0
1995 65 51 0.00 0.0
1994 75 65 3.15 0.0
1993 83 61 0.00 0.0
1992 81 65 0.00 0.0
1991 78 67 0.00 0.0
1990 81 72 0.02 0.0
1989 80 66 0.00 0.0
1988 82 71 0.00 0.0
1987 82 72 0.00 0.0
1986 78 63 0.00 0.0
1985 64 52 0.00 0.0
1984 79 62 0.00 0.0
1983 82 65 0.00 0.0
1982 73 47 0.00 0.0
1981 71 45 0.00 0.0
1980 77 58 0.00 0.0
1979 76 62 0.00 0.0
1978 81 66 0.00 0.0
1977 80 54 0.00 0.0
1976 74 50 0.30 0.0
1975 69 50 0.00 0.0
1974 80 68 1.05 0.0
1973 67 48 0.00 0.0
1972 79 73 0.08 0.0
1971 81 68 0.23 0.0
1970 80 65 0.00 0.0
1969 75 60 0.00 0.0
1968 82 68 0.00 0.0
1967 79 70 0.00 0.0
1966 74 50 0.00 0.0
1965 71 49 0.00 0.0
1964 78 67 0.00 0.0
1963 74 56 0.00 0.0
1962 77 63 0.00 0.0
1961 73 56 0.00 0.0
1960 79 51 0.02 0.0
1959 77 59 0.00 0.0
1958 75 53 0.00 0.0
1957 76 60 0.00 0.0
1956 80 69 0.00 0.0
1955 76 62 0.00 0.0
1954 62 41 0.00 0.0
1953 77 68 0.18 0.0
1952 77 60 0.00 0.0
1951 82 73 0.00 0.0
1950 72 49 0.00 0.0
1949 78 66 0.01 0.0
1948 85 67 0.02 0.0
1947 78 70 0.48 n/a
1946 83 66 0.03 n/a
1945 70 48 0.00 n/a
1944 75 48 0.00 n/a
1943 68 39 0.00 n/a
1942 78 56 0.00 n/a
1941 76 64 0.13 n/a
1940 82 65 0.01 n/a
1939 83 47 0.03 n/a
1938 76 51 0.00 n/a
1937 72 58 0.00 n/a
1936 65 45 0.00 n/a
1935 70 34 0.00 n/a
1934 77 54 0.00 n/a
1933 84 62 0.01 n/a
1932 83 63 0.00 n/a
1931 80 69 0.00 n/a
What's the all-time high for Miami on 12/21?
For the date of Dec 21, the highest temperature ever reached in Miami history is 85 °F which has happened 2 times, most recently in 2017.
Highest Temperatures in Miami on December 21
Rank Temperature Year
1 85 °F 1948
1 85 °F 2017
3 84 °F 1933
4 83 °F 1993
4 83 °F 1932
4 83 °F 2007
4 83 °F 1939
4 83 °F 2013
4 83 °F 1946
10 82 °F 1968
10 82 °F 1983
10 82 °F 1940
10 82 °F 2015
10 82 °F 2022
10 82 °F 1987
10 82 °F 1998
10 82 °F 1951
10 82 °F 1988
What's the all-time low for Miami on 12/21?
For the date of Dec 21, the lowest temperature ever reached in Miami history is 34 °F which happened in 1935.
Lowest Temperatures in Miami on December 21
Rank Temperature Year
1 34 °F 1935
2 39 °F 1943
3 41 °F 1954
4 45 °F 1936
4 45 °F 1981
6 46 °F 2000
7 47 °F 1939
7 47 °F 1982
7 47 °F 2003
10 48 °F 1973
10 48 °F 1945
10 48 °F 1944
Lowest High Temperatures in Miami on December 21
Rank Temperature Year
1 62 °F 1954
2 64 °F 2009
2 64 °F 1985
4 65 °F 1936
4 65 °F 1995
6 66 °F 2003
7 67 °F 1973
8 68 °F 1943
9 69 °F 1975
9 69 °F 2000
9 69 °F 2005
What's the most it has ever rained in Miami on 12/21?
For the date of Dec 21, the most precipitation ever recorded in Miami history is 3.15 inches which happened in 1994.
All-Time Most Precipitation in Miami on December 21
Rank Precipitation Year
1 3.15 inches 1994
2 1.05 inches 1974
3 0.48 inches 1947
4 0.42 inches 2019
5 0.30 inches 1976
6 0.23 inches 1971
7 0.21 inches 1999
8 0.18 inches 1953
9 0.13 inches 1941
10 0.10 inches 1996
Weather Station Details
Years Station Coordinates
1948–2024 Miami International Airport location
1931–1947 Miami SSW location