St. Petersburg July 21 Weather Records

Daily averages and all-time records for weather in St. Petersburg, Florida for the date of July 21.
July 21 All-Time Records
1892–2024
Highest temperature 96 °F 1942
Lowest temperature 68 °F 1929
Lowest daily high 78 °F 1919
Highest daily low 83 °F 2023
Most precipitation 4.14 inches 2000
Most snow none -
July 21 Average Weather
1991–2020 1
Average high 89.9 °F
Average low 78.0 °F
Chance precipitation 50.5%
Chance snow 0%
St. Petersburg July 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 93 83 0.00 0.0
2022 91 80 0.00 0.0
2021 90 81 0.00 0.0
2020 90 76 0.44 0.0
2019 89 77 0.00 0.0
2018 89 80 0.12 0.0
2017 89 81 0.05 0.0
2016 92 81 0.00 0.0
2015 88 81 0.10 0.0
2014 92 79 0.00 0.0
2013 89 78 0.00 0.0
2012 91 75 0.02 0.0
2011 90 82 0.00 n/a
2010 94 82 0.00 n/a
2009 91 79 0.00 n/a
2008 93 82 0.00 n/a
2007 89 74 0.39 n/a
2006 91 76 0.00 n/a
2005 95 80 0.01 n/a
2004 89 77 0.00 n/a
2003 90 81 0.00 n/a
2002 89 77 0.00 n/a
2001 86 75 0.35 n/a
2000 91 75 4.14 n/a
1999 92 83 0.00 n/a
1998 93 75 0.30 0.0
1997 90 76 0.00 0.0
1996 92 80 0.00 0.0
1995 88 75 0.16 0.0
1994 87 76 0.84 0.0
1993 91 78 0.24 0.0
1992 91 75 0.34 0.0
1991 93 75 0.00 0.0
1990 91 78 0.00 0.0
1989 92 78 0.00 0.0
1988 87 73 0.44 0.0
1987 90 72 1.43 0.0
1986 93 81 0.00 0.0
1985 84 74 0.17 0.0
1984 92 76 0.00 0.0
1983 92 73 1.15 0.0
1982 90 75 0.17 0.0
1981 84 76 0.67 0.0
1980 92 76 0.10 0.0
1979 92 78 0.00 0.0
1978 91 77 0.00 0.0
1977 91 76 0.17 0.0
1976 94 80 0.00 0.0
1975 89 78 0.00 0.0
1974 90 77 0.00 0.0
1973 94 76 0.03 0.0
1972 92 75 0.00 0.0
1971 86 75 0.75 0.0
1970 84 74 0.20 0.0
1969 90 78 0.10 0.0
1968 86 72 0.80 0.0
1967 91 78 0.15 0.0
1966 83 74 0.80 0.0
1965 86 73 0.11 0.0
1964 89 78 0.00 0.0
1963 88 76 0.48 0.0
1962 89 77 0.17 0.0
1961 91 74 0.00 0.0
1960 92 80 0.00 0.0
1959 92 77 0.04 0.0
1958 91 78 0.00 0.0
1957 90 77 0.00 0.0
1956 95 77 0.00 0.0
1955 88 74 0.02 0.0
1954 90 75 0.00 0.0
1953 93 76 0.00 0.0
1952 93 73 0.67 0.0
1951 91 74 0.50 0.0
1950 93 73 0.15 0.0
1949 90 74 0.20 0.0
1948 91 77 0.00 0.0
1947 86 74 2.00 n/a
1946 90 74 0.41 n/a
1945 88 74 0.21 n/a
1944 90 78 0.00 n/a
1943 80 77 0.40 n/a
1942 96 83 0.00 n/a
1941 93 79 0.00 n/a
1940 90 77 0.00 n/a
1939 90 75 0.01 n/a
1938 90 71 0.63 n/a
1937 92 77 0.00 n/a
1936 90 77 0.00 n/a
1935 92 74 0.25 0.0
1934 91 76 0.50 n/a
1933 89 77 0.36 n/a
1932 93 77 0.00 n/a
1931 93 81 0.00 n/a
1930 93 78 0.00 n/a
1929 88 68 1.97 n/a
1928 88 77 0.00 n/a
1927 92 73 0.42 n/a
1926 91 72 0.58 n/a
1925 90 76 0.11 n/a
1924 92 79 0.00 n/a
1923 92 77 0.00 n/a
1922 87 74 0.53 n/a
1921 89 74 0.00 n/a
1920 91 78 0.10 n/a
1919 78 72 3.10 n/a
1918 93 77 0.00 n/a
1917 89 74 0.40 n/a
1916 88 76 0.07 n/a
1915 88 73 0.20 n/a
1914 n/a n/a n/a n/a
1913 n/a n/a n/a n/a
1912 n/a n/a n/a n/a
1911 n/a n/a n/a n/a
1910 n/a n/a n/a n/a
1909 n/a n/a n/a n/a
1908 n/a n/a n/a n/a
1907 n/a n/a n/a n/a
1906 n/a n/a n/a n/a
1905 n/a n/a n/a n/a
1904 n/a n/a n/a n/a
1903 n/a n/a n/a n/a
1902 n/a n/a n/a n/a
1901 n/a n/a n/a n/a
1900 n/a n/a n/a n/a
1899 n/a n/a n/a n/a
1898 n/a n/a n/a n/a
1897 n/a n/a n/a n/a
1896 n/a n/a n/a n/a
1895 n/a n/a n/a n/a
1894 n/a n/a n/a n/a
1893 92 72 0.00 n/a
1892 91 75 n/a n/a
What's the all-time high for St. Petersburg on 7/21?
For the date of Jul 21, the highest temperature ever reached in St. Petersburg history is 96 °F which happened in 1942.
Highest Temperatures in St. Petersburg on July 21
Rank Temperature Year
1 96 °F 1942
2 95 °F 2005
2 95 °F 1956
4 94 °F 1976
4 94 °F 1973
4 94 °F 2010
7 93 °F 1998
7 93 °F 2008
7 93 °F 1991
7 93 °F 1930
7 93 °F 2023
7 93 °F 1941
7 93 °F 1952
7 93 °F 1932
7 93 °F 1918
7 93 °F 1950
7 93 °F 1953
7 93 °F 1986
7 93 °F 1931
What's the all-time low for St. Petersburg on 7/21?
For the date of Jul 21, the lowest temperature ever reached in St. Petersburg history is 68 °F which happened in 1929.
Lowest Temperatures in St. Petersburg on July 21
Rank Temperature Year
1 68 °F 1929
2 71 °F 1938
3 72 °F 1987
3 72 °F 1893
3 72 °F 1968
3 72 °F 1926
3 72 °F 1919
8 73 °F 1983
8 73 °F 1950
8 73 °F 1988
8 73 °F 1915
8 73 °F 1952
8 73 °F 1927
8 73 °F 1965
Lowest High Temperatures in St. Petersburg on July 21
Rank Temperature Year
1 78 °F 1919
2 80 °F 1943
3 83 °F 1966
4 84 °F 1985
4 84 °F 1970
4 84 °F 1981
7 86 °F 2001
7 86 °F 1971
7 86 °F 1968
7 86 °F 1965
7 86 °F 1947
What's the most it has ever rained in St. Petersburg on 7/21?
For the date of Jul 21, the most precipitation ever recorded in St. Petersburg history is 4.14 inches which happened in 2000.
All-Time Most Precipitation in St. Petersburg on July 21
Rank Precipitation Year
1 4.14 inches 2000
2 3.10 inches 1919
3 2.00 inches 1947
4 1.97 inches 1929
5 1.43 inches 1987
6 1.15 inches 1983
7 0.84 inches 1994
8 0.80 inches 1968
8 0.80 inches 1966
10 0.75 inches 1971
Weather Station Details
Years Station Coordinates
1999–2024 St Petersburg AP location
1892–1998 St. Petersburg location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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