San Jose July 21 Weather Records

Daily averages and all-time records for weather in San Jose, California for the date of July 21.
July 21 All-Time Records
1893–2024
Highest temperature 102 °F 1917
Lowest temperature 45 °F 1894
Lowest daily high 70 °F 1911
Highest daily low 68 °F 2006
Most precipitation 0.07 inches 1979
July 21 Average Weather
1991–2020 1
Average high 81.6 °F
Average low 58.7 °F
Chance precipitation 0.5%
San Jose July 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 87 61 0.00 n/a
2022 81 57 0.00 n/a
2021 78 57 0.00 n/a
2020 79 59 0.00 n/a
2019 82 59 0.00 n/a
2018 84 64 0.00 n/a
2017 81 57 0.00 n/a
2016 78 57 0.00 n/a
2015 76 62 0.00 n/a
2014 79 62 0.00 n/a
2013 80 54 0.00 0.0
2012 92 61 0.00 n/a
2011 84 58 0.00 n/a
2010 75 55 0.00 n/a
2009 74 57 0.00 n/a
2008 71 55 0.00 n/a
2007 80 63 0.00 n/a
2006 96 68 0.00 n/a
2005 76 61 0.00 n/a
2004 88 60 0.00 n/a
2003 86 62 0.00 n/a
2002 78 58 0.00 n/a
2001 72 53 0.00 n/a
2000 74 57 0.00 n/a
1999 73 57 0.00 n/a
1998 78 61 0.00 0.0
1997 85 60 0.00 0.0
1996 n/a 64 0.00 0.0
1995 77 62 0.00 0.0
1994 77 60 0.00 0.0
1993 80 56 0.00 0.0
1992 79 60 0.00 0.0
1991 81 57 0.00 0.0
1990 83 64 0.00 0.0
1989 87 56 0.00 0.0
1988 82 61 0.00 0.0
1987 76 54 0.00 0.0
1986 85 59 0.00 0.0
1985 81 59 0.00 0.0
1984 79 56 0.00 0.0
1983 82 55 0.00 0.0
1982 82 56 0.00 0.0
1981 86 57 0.00 0.0
1980 80 57 0.00 0.0
1979 78 60 0.07 0.0
1978 87 58 0.00 0.0
1977 82 56 0.00 0.0
1976 75 52 0.00 0.0
1975 83 58 0.00 0.0
1974 85 56 0.00 0.0
1973 77 54 0.00 0.0
1972 76 62 0.00 0.0
1971 84 60 0.00 0.0
1970 80 56 0.00 0.0
1969 85 58 0.00 0.0
1968 81 52 0.00 0.0
1967 86 55 0.00 0.0
1966 90 52 0.00 0.0
1965 80 54 0.00 0.0
1964 80 55 0.00 0.0
1963 75 52 0.00 0.0
1962 88 56 0.00 0.0
1961 84 56 0.00 0.0
1960 91 61 0.00 0.0
1959 n/a n/a n/a n/a
1958 83 57 0.00 0.0
1957 77 56 0.00 0.0
1956 78 58 0.00 0.0
1955 80 53 0.00 0.0
1954 84 51 0.00 0.0
1953 85 56 0.00 0.0
1952 78 59 0.00 0.0
1951 81 54 0.00 0.0
1950 81 56 0.00 0.0
1949 86 53 0.00 0.0
1948 85 55 0.00 0.0
1947 76 52 0.00 0.0
1946 83 61 0.00 0.0
1945 81 55 0.00 0.0
1944 74 55 0.00 0.0
1943 77 53 0.00 n/a
1942 78 59 0.00 n/a
1941 88 59 0.00 n/a
1940 79 51 0.00 n/a
1939 94 58 0.00 0.0
1938 88 60 0.00 n/a
1937 89 61 0.00 n/a
1936 88 59 0.00 n/a
1935 74 58 0.00 n/a
1934 74 50 n/a 0.0
1933 81 54 0.00 0.0
1932 78 55 0.00 0.0
1931 81 55 0.00 0.0
1930 83 53 0.00 n/a
1929 77 47 0.00 n/a
1928 79 55 0.00 n/a
1927 91 55 0.00 n/a
1926 75 50 0.00 n/a
1925 76 58 0.00 n/a
1924 80 53 0.00 n/a
1923 79 50 0.00 n/a
1922 73 52 0.00 n/a
1921 80 53 0.00 n/a
1920 77 49 0.00 n/a
1919 74 57 0.00 n/a
1918 90 54 0.00 n/a
1917 102 56 0.00 n/a
1916 91 56 0.00 n/a
1915 93 59 0.00 n/a
1914 81 56 0.00 n/a
1913 81 57 0.00 n/a
1912 76 50 0.00 n/a
1911 70 51 0.00 n/a
1910 77 53 0.00 n/a
1909 77 49 0.00 n/a
1908 80 56 0.00 n/a
1907 85 55 0.00 n/a
1906 77 56 0.00 n/a
1905 80 54 0.00 n/a
1904 82 56 0.00 n/a
1903 73 55 0.00 n/a
1902 85 54 0.00 n/a
1901 n/a n/a 0.00 n/a
1900 74 60 0.01 n/a
1899 n/a n/a 0.00 n/a
1898 n/a n/a n/a n/a
1897 79 52 n/a n/a
1896 81 52 0.00 n/a
1895 79 50 n/a n/a
1894 78 45 n/a n/a
1893 79 53 0.00 n/a
What's the all-time high for San Jose on 7/21?
For the date of Jul 21, the highest temperature ever reached in San Jose history is 102 °F which happened in 1917.
Highest Temperatures in San Jose on July 21
Rank Temperature Year
1 102 °F 1917
2 96 °F 2006
3 94 °F 1939
4 93 °F 1915
5 92 °F 2012
6 91 °F 1916
6 91 °F 1960
6 91 °F 1927
9 90 °F 1918
9 90 °F 1966
What's the all-time low for San Jose on 7/21?
For the date of Jul 21, the lowest temperature ever reached in San Jose history is 45 °F which happened in 1894.
Lowest Temperatures in San Jose on July 21
Rank Temperature Year
1 45 °F 1894
2 47 °F 1929
3 49 °F 1920
3 49 °F 1909
5 50 °F 1912
5 50 °F 1926
5 50 °F 1923
5 50 °F 1895
5 50 °F 1934
10 51 °F 1940
10 51 °F 1954
10 51 °F 1911
Lowest High Temperatures in San Jose on July 21
Rank Temperature Year
1 70 °F 1911
2 71 °F 2008
3 72 °F 2001
4 73 °F 1903
4 73 °F 1922
4 73 °F 1999
7 74 °F 1944
7 74 °F 2000
7 74 °F 1934
7 74 °F 1935
7 74 °F 1900
7 74 °F 2009
7 74 °F 1919
What's the most it has ever rained in San Jose on 7/21?
For the date of Jul 21, the most precipitation ever recorded in San Jose history is 0.07 inches which happened in 1979.
All-Time Most Precipitation in San Jose on July 21
Rank Precipitation Year
1 0.07 inches 1979
2 0.01 inches 1900
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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