Miami August 21 Weather Records

Daily averages and all-time records for weather in Miami, Florida for the date of August 21.
August 21 All-Time Records
1931–2024
Highest temperature 97 °F 1993
Lowest temperature 69 °F 1932
Lowest daily high 79 °F 1973
Highest daily low 83 °F 2022
Most precipitation 2.23 inches 1933
August 21 Average Weather
1991–2020 1
Average high 90.8 °F
Average low 77.7 °F
Chance precipitation 61.6%
Miami August 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 91 82 0.10 0.0
2022 93 83 0.00 0.0
2021 91 79 0.00 n/a
2020 92 78 0.00 n/a
2019 91 79 0.01 n/a
2018 90 78 0.00 n/a
2017 93 80 0.36 n/a
2016 94 79 0.00 n/a
2015 91 81 0.00 n/a
2014 92 81 0.00 n/a
2013 90 77 0.65 0.0
2012 91 75 0.62 n/a
2011 92 77 0.26 n/a
2010 96 76 1.60 n/a
2009 93 81 0.00 n/a
2008 91 77 0.38 n/a
2007 92 82 0.00 n/a
2006 88 74 1.39 n/a
2005 92 81 0.06 n/a
2004 92 78 0.00 n/a
2003 86 77 0.08 n/a
2002 90 78 0.00 n/a
2001 90 77 0.02 n/a
2000 89 78 0.39 0.0
1999 89 76 0.60 0.0
1998 90 78 1.41 0.0
1997 91 78 0.06 0.0
1996 89 73 0.06 0.0
1995 91 78 0.62 0.0
1994 90 80 0.01 0.0
1993 97 80 0.00 0.0
1992 92 78 0.17 0.0
1991 94 76 0.05 0.0
1990 93 80 0.00 0.0
1989 91 79 0.29 0.0
1988 91 78 0.00 0.0
1987 93 79 0.00 0.0
1986 91 77 0.01 0.0
1985 90 73 0.44 0.0
1984 90 72 1.03 0.0
1983 95 77 0.12 0.0
1982 91 79 0.00 0.0
1981 89 75 0.10 0.0
1980 92 74 0.52 0.0
1979 85 74 0.55 0.0
1978 92 77 0.00 0.0
1977 91 78 0.51 0.0
1976 88 78 0.00 0.0
1975 87 76 0.07 0.0
1974 91 78 0.02 0.0
1973 79 72 0.85 0.0
1972 88 74 0.27 0.0
1971 88 77 0.71 0.0
1970 89 76 0.00 0.0
1969 91 75 0.00 0.0
1968 89 79 0.01 0.0
1967 87 76 0.23 0.0
1966 89 77 0.00 0.0
1965 90 78 0.11 0.0
1964 89 76 0.00 0.0
1963 87 74 0.35 0.0
1962 89 76 0.36 0.0
1961 87 74 1.33 0.0
1960 90 79 0.00 0.0
1959 86 73 0.47 0.0
1958 95 79 0.00 0.0
1957 91 71 2.22 0.0
1956 90 74 0.00 0.0
1955 90 78 0.00 0.0
1954 91 77 0.13 0.0
1953 91 78 0.01 0.0
1952 92 77 0.00 0.0
1951 92 77 0.00 0.0
1950 91 74 0.00 0.0
1949 91 78 0.00 0.0
1948 85 76 2.17 0.0
1947 88 78 0.00 n/a
1946 89 72 0.00 n/a
1945 90 80 0.02 n/a
1944 90 79 0.02 n/a
1943 91 72 0.22 n/a
1942 90 77 0.01 n/a
1941 94 75 0.18 n/a
1940 n/a n/a n/a n/a
1939 92 73 0.05 n/a
1938 89 75 0.00 n/a
1937 89 80 0.00 n/a
1936 88 76 0.22 n/a
1935 90 73 0.01 n/a
1934 92 71 0.00 n/a
1933 94 72 2.23 n/a
1932 92 69 0.47 n/a
1931 91 73 0.00 n/a
What's the all-time high for Miami on 8/21?
For the date of Aug 21, the highest temperature ever reached in Miami history is 97 °F which happened in 1993.
Highest Temperatures in Miami on August 21
Rank Temperature Year
1 97 °F 1993
2 96 °F 2010
3 95 °F 1983
3 95 °F 1958
5 94 °F 1933
5 94 °F 1991
5 94 °F 1941
5 94 °F 2016
9 93 °F 2022
9 93 °F 2009
9 93 °F 1990
9 93 °F 2017
9 93 °F 1987
What's the all-time low for Miami on 8/21?
For the date of Aug 21, the lowest temperature ever reached in Miami history is 69 °F which happened in 1932.
Lowest Temperatures in Miami on August 21
Rank Temperature Year
1 69 °F 1932
2 71 °F 1934
2 71 °F 1957
4 72 °F 1973
4 72 °F 1943
4 72 °F 1946
4 72 °F 1933
4 72 °F 1984
9 73 °F 1996
9 73 °F 1985
9 73 °F 1935
9 73 °F 1959
9 73 °F 1939
9 73 °F 1931
Lowest High Temperatures in Miami on August 21
Rank Temperature Year
1 79 °F 1973
2 85 °F 1948
2 85 °F 1979
4 86 °F 1959
4 86 °F 2003
6 87 °F 1961
6 87 °F 1963
6 87 °F 1975
6 87 °F 1967
10 88 °F 1947
10 88 °F 1976
10 88 °F 1971
10 88 °F 1936
10 88 °F 2006
10 88 °F 1972
What's the most it has ever rained in Miami on 8/21?
For the date of Aug 21, the most precipitation ever recorded in Miami history is 2.23 inches which happened in 1933.
All-Time Most Precipitation in Miami on August 21
Rank Precipitation Year
1 2.23 inches 1933
2 2.22 inches 1957
3 2.17 inches 1948
4 1.60 inches 2010
5 1.41 inches 1998
6 1.39 inches 2006
7 1.33 inches 1961
8 1.03 inches 1984
9 0.85 inches 1973
10 0.71 inches 1971
Weather Station Details
Years Station Coordinates
1948–2024 Miami International Airport location
1931–1947 Miami SSW location