St. Petersburg October 21 Weather Records

Daily averages and all-time records for weather in St. Petersburg, Florida for the date of October 21.
October 21 All-Time Records
1892–2024
Highest temperature 91 °F 1985
Lowest temperature 51 °F 1989
Lowest daily high 66 °F 1989
Highest daily low 80 °F 2005
Most precipitation 1.95 inches 1959
Most snow none -
October 21 Average Weather
1991–2020 1
Average high 82.5 °F
Average low 70.8 °F
Chance precipitation 18.6%
Chance snow 0%
St. Petersburg October 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 83 72 0.03 0.0
2022 74 59 0.00 0.0
2021 88 75 0.00 0.0
2020 82 74 0.01 0.0
2019 86 77 1.70 0.0
2018 84 72 0.00 0.0
2017 85 74 0.00 0.0
2016 82 73 0.00 0.0
2015 82 72 0.00 0.0
2014 83 74 0.00 0.0
2013 88 78 0.00 0.0
2012 81 68 0.00 0.0
2011 71 62 0.00 0.0
2010 86 73 0.00 n/a
2009 82 68 0.00 n/a
2008 83 70 0.00 n/a
2007 87 75 0.59 n/a
2006 87 76 0.00 n/a
2005 86 80 0.01 n/a
2004 85 76 0.00 n/a
2003 84 70 0.00 n/a
2002 85 74 0.00 n/a
2001 84 72 1.61 n/a
2000 83 70 0.00 n/a
1999 78 70 0.07 n/a
1998 87 74 0.00 0.0
1997 78 64 0.00 0.0
1996 79 60 0.00 0.0
1995 75 63 0.00 0.0
1994 83 71 0.00 0.0
1993 88 75 0.00 0.0
1992 79 67 0.00 0.0
1991 83 72 0.00 0.0
1990 85 74 0.03 0.0
1989 66 51 0.00 0.0
1988 83 70 0.00 0.0
1987 82 71 0.00 0.0
1986 82 63 0.00 0.0
1985 91 76 0.00 0.0
1984 87 72 0.00 0.0
1983 87 73 0.00 0.0
1982 84 70 0.00 0.0
1981 83 68 0.00 0.0
1980 85 70 0.00 0.0
1979 87 74 0.00 0.0
1978 84 67 0.00 0.0
1977 80 67 0.00 0.0
1976 80 59 0.00 0.0
1975 80 64 0.00 0.0
1974 77 66 0.00 0.0
1973 87 70 0.00 0.0
1972 86 70 0.00 0.0
1971 85 72 0.00 0.0
1970 81 72 0.20 0.0
1969 88 75 0.00 0.0
1968 82 64 0.00 0.0
1967 80 64 0.00 0.0
1966 81 64 0.00 0.0
1965 85 70 0.00 0.0
1964 71 53 0.00 0.0
1963 83 67 0.00 0.0
1962 84 62 0.00 0.0
1961 69 55 0.00 0.0
1960 76 69 0.00 0.0
1959 83 73 1.95 0.0
1958 75 59 0.00 0.0
1957 85 65 0.00 0.0
1956 82 69 0.10 0.0
1955 81 61 0.00 0.0
1954 74 56 0.00 0.0
1953 84 66 0.00 0.0
1952 72 58 0.25 0.0
1951 82 68 0.00 0.0
1950 85 73 0.25 0.0
1949 84 66 0.00 0.0
1948 82 60 0.00 0.0
1947 84 70 0.00 n/a
1946 84 70 0.00 n/a
1945 86 68 0.00 n/a
1944 83 65 0.00 n/a
1943 85 67 0.00 n/a
1942 n/a 66 0.00 n/a
1941 88 73 0.28 n/a
1940 84 62 0.00 n/a
1939 86 72 0.00 n/a
1938 79 72 0.00 n/a
1937 75 62 0.00 n/a
1936 89 72 0.00 n/a
1935 85 68 0.00 n/a
1934 88 70 0.00 n/a
1933 84 73 0.00 n/a
1932 85 71 0.00 n/a
1931 84 73 0.00 n/a
1930 83 63 0.00 n/a
1929 82 72 0.20 n/a
1928 87 72 0.00 n/a
1927 83 66 0.00 n/a
1926 85 69 0.00 n/a
1925 74 59 0.00 n/a
1924 79 70 0.10 n/a
1923 76 60 0.00 n/a
1922 86 69 0.00 n/a
1921 80 63 0.00 n/a
1920 83 70 0.03 n/a
1919 89 76 0.00 n/a
1918 85 69 1.63 n/a
1917 79 66 0.00 n/a
1916 78 63 0.00 n/a
1915 82 71 n/a n/a
1914 83 63 0.00 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 81 66 n/a n/a
1892 86 69 n/a n/a
What's the all-time high for St. Petersburg on 10/21?
For the date of Oct 21, the highest temperature ever reached in St. Petersburg history is 91 °F which happened in 1985.
Highest Temperatures in St. Petersburg on October 21
Rank Temperature Year
1 91 °F 1985
2 89 °F 1919
2 89 °F 1936
4 88 °F 2021
4 88 °F 1969
4 88 °F 1941
4 88 °F 2013
4 88 °F 1934
4 88 °F 1993
10 87 °F 2006
10 87 °F 2007
10 87 °F 1973
10 87 °F 1984
10 87 °F 1983
10 87 °F 1979
10 87 °F 1928
10 87 °F 1998
What's the all-time low for St. Petersburg on 10/21?
For the date of Oct 21, the lowest temperature ever reached in St. Petersburg history is 51 °F which happened in 1989.
Lowest Temperatures in St. Petersburg on October 21
Rank Temperature Year
1 51 °F 1989
2 53 °F 1964
3 55 °F 1961
4 56 °F 1954
5 58 °F 1952
6 59 °F 1976
6 59 °F 1958
6 59 °F 2022
6 59 °F 1925
10 60 °F 1948
10 60 °F 1996
10 60 °F 1923
Lowest High Temperatures in St. Petersburg on October 21
Rank Temperature Year
1 66 °F 1989
2 69 °F 1961
3 71 °F 1964
3 71 °F 2011
5 72 °F 1952
6 74 °F 1954
6 74 °F 2022
6 74 °F 1925
9 75 °F 1995
9 75 °F 1958
9 75 °F 1937
What's the most it has ever rained in St. Petersburg on 10/21?
For the date of Oct 21, the most precipitation ever recorded in St. Petersburg history is 1.95 inches which happened in 1959.
All-Time Most Precipitation in St. Petersburg on October 21
Rank Precipitation Year
1 1.95 inches 1959
2 1.70 inches 2019
3 1.63 inches 1918
4 1.61 inches 2001
5 0.59 inches 2007
6 0.28 inches 1941
7 0.25 inches 1952
7 0.25 inches 1950
9 0.20 inches 1970
9 0.20 inches 1929
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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