San Jose August 20 Weather Records

Daily averages and all-time records for weather in San Jose, California for the date of August 20.
August 20 All-Time Records
1893–2024
Highest temperature 98 °F 1964
Lowest temperature 42 °F 1893
Lowest daily high 71 °F 1959
Highest daily low 67 °F 1961
Most precipitation 0.50 inches 1997
August 20 Average Weather
1991–2020 1
Average high 81.9 °F
Average low 58.9 °F
Chance precipitation 1.2%
San Jose August 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 93 64 0.00 n/a
2022 89 60 0.00 n/a
2021 76 59 0.00 n/a
2020 85 60 0.00 n/a
2019 76 61 0.00 n/a
2018 80 54 0.00 n/a
2017 81 62 0.00 n/a
2016 76 61 0.00 n/a
2015 75 62 0.00 n/a
2014 81 60 0.00 n/a
2013 82 62 0.00 0.0
2012 76 55 0.00 n/a
2011 79 57 0.00 n/a
2010 78 57 0.00 n/a
2009 77 57 0.00 n/a
2008 82 61 0.00 n/a
2007 84 63 0.00 n/a
2006 74 57 0.00 n/a
2005 72 57 0.00 n/a
2004 81 60 0.00 n/a
2003 82 59 0.00 n/a
2002 80 57 0.00 n/a
2001 72 53 0.00 n/a
2000 79 52 0.00 n/a
1999 77 56 0.00 n/a
1998 80 60 0.00 0.0
1997 77 60 0.50 0.0
1996 79 53 0.00 0.0
1995 n/a 65 0.00 0.0
1994 82 55 0.00 0.0
1993 77 62 0.00 0.0
1992 n/a n/a n/a n/a
1991 75 59 0.00 0.0
1990 79 57 0.00 0.0
1989 76 57 0.00 0.0
1988 83 57 0.00 0.0
1987 77 59 0.00 0.0
1986 79 59 0.00 0.0
1985 80 60 0.00 0.0
1984 85 55 0.00 0.0
1983 78 62 0.00 0.0
1982 81 56 0.00 0.0
1981 75 56 0.00 0.0
1980 79 58 0.00 0.0
1979 78 58 0.00 0.0
1978 83 54 0.00 0.0
1977 75 58 0.00 0.0
1976 84 58 0.00 0.0
1975 83 53 0.00 0.0
1974 88 53 0.00 0.0
1973 82 54 0.00 0.0
1972 81 61 0.00 0.0
1971 78 55 0.00 0.0
1970 72 55 0.00 0.0
1969 89 54 0.00 0.0
1968 76 53 0.00 0.0
1967 80 58 0.00 0.0
1966 79 55 0.00 0.0
1965 78 53 0.00 0.0
1964 98 63 0.00 0.0
1963 84 55 0.00 0.0
1962 88 60 0.00 0.0
1961 86 67 0.00 0.0
1960 83 57 0.00 0.0
1959 71 57 0.00 0.0
1958 84 59 0.00 0.0
1957 78 51 0.00 0.0
1956 79 56 0.00 0.0
1955 85 52 0.00 0.0
1954 71 59 0.00 0.0
1953 76 57 0.00 0.0
1952 82 53 0.00 0.0
1951 83 60 0.00 0.0
1950 88 61 0.00 0.0
1949 80 50 0.00 0.0
1948 92 57 0.00 0.0
1947 76 58 0.00 0.0
1946 76 56 0.00 0.0
1945 92 55 0.00 0.0
1944 75 53 0.00 0.0
1943 74 53 0.00 n/a
1942 87 60 0.00 0.0
1941 72 54 0.00 n/a
1940 80 58 0.00 n/a
1939 80 57 0.00 n/a
1938 79 55 0.00 n/a
1937 80 51 0.00 n/a
1936 73 58 0.00 n/a
1935 80 53 0.00 n/a
1934 81 59 0.00 n/a
1933 81 54 0.00 n/a
1932 81 49 0.00 0.0
1931 75 54 0.00 0.0
1930 86 48 0.00 n/a
1929 78 53 0.00 n/a
1928 86 49 0.00 n/a
1927 84 55 0.00 n/a
1926 81 53 0.00 n/a
1925 75 50 0.00 n/a
1924 83 52 0.00 n/a
1923 80 58 0.00 n/a
1922 78 48 0.00 n/a
1921 78 55 0.00 n/a
1920 77 54 0.00 n/a
1919 87 55 0.00 n/a
1918 83 50 0.00 n/a
1917 83 52 0.00 n/a
1916 92 49 0.00 n/a
1915 79 55 0.00 n/a
1914 78 48 0.00 n/a
1913 84 55 0.00 n/a
1912 77 52 0.00 n/a
1911 88 44 0.00 n/a
1910 71 48 0.00 n/a
1909 78 55 0.00 n/a
1908 72 54 0.00 n/a
1907 83 53 0.00 n/a
1906 79 55 0.00 n/a
1905 77 54 0.00 n/a
1904 87 50 0.00 n/a
1903 76 48 0.00 n/a
1902 79 48 0.00 n/a
1901 n/a n/a 0.00 n/a
1900 76 66 0.00 n/a
1899 n/a n/a 0.00 n/a
1898 n/a n/a n/a n/a
1897 n/a n/a n/a n/a
1896 75 56 0.00 n/a
1895 79 45 n/a n/a
1894 77 50 0.00 n/a
1893 79 42 0.00 n/a
What's the all-time high for San Jose on 8/20?
For the date of Aug 20, the highest temperature ever reached in San Jose history is 98 °F which happened in 1964.
Highest Temperatures in San Jose on August 20
Rank Temperature Year
1 98 °F 1964
2 93 °F 2023
3 92 °F 1948
3 92 °F 1945
3 92 °F 1916
6 89 °F 1969
6 89 °F 2022
8 88 °F 1962
8 88 °F 1974
8 88 °F 1911
8 88 °F 1950
What's the all-time low for San Jose on 8/20?
For the date of Aug 20, the lowest temperature ever reached in San Jose history is 42 °F which happened in 1893.
Lowest Temperatures in San Jose on August 20
Rank Temperature Year
1 42 °F 1893
2 44 °F 1911
3 45 °F 1895
4 48 °F 1914
4 48 °F 1903
4 48 °F 1930
4 48 °F 1902
4 48 °F 1910
4 48 °F 1922
10 49 °F 1916
10 49 °F 1932
10 49 °F 1928
Lowest High Temperatures in San Jose on August 20
Rank Temperature Year
1 71 °F 1959
1 71 °F 1910
1 71 °F 1954
4 72 °F 1970
4 72 °F 2001
4 72 °F 2005
4 72 °F 1941
4 72 °F 1908
9 73 °F 1936
10 74 °F 1943
10 74 °F 2006
What's the most it has ever rained in San Jose on 8/20?
For the date of Aug 20, the most precipitation ever recorded in San Jose history is 0.50 inches which happened in 1997.
All-Time Most Precipitation in San Jose on August 20
Rank Precipitation Year
1 0.50 inches 1997
Weather Station Details
Years Station Coordinates
1999–2024 San Jose 2 location
1893–1998 San Jose location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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