San Jose April 21 Weather Records

Daily averages and all-time records for weather in San Jose, California for the date of April 21.
April 21 All-Time Records
1893–2024
Highest temperature 92 °F 2009
Lowest temperature 33 °F 1920
Lowest daily high 54 °F 2010
Highest daily low 61 °F 1997
Most precipitation 0.65 inches 1980
April 21 Average Weather
1991–2020 1
Average high 70.9 °F
Average low 49.6 °F
Chance precipitation 18.0%
San Jose April 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 81 50 0.00 n/a
2023 77 50 0.00 n/a
2022 66 53 0.09 n/a
2021 69 48 0.00 n/a
2020 70 52 0.00 n/a
2019 71 47 0.00 n/a
2018 81 48 0.00 n/a
2017 77 50 0.00 n/a
2016 77 57 0.00 n/a
2015 69 55 0.00 n/a
2014 74 50 0.00 n/a
2013 84 49 0.00 n/a
2012 91 57 0.00 n/a
2011 64 50 0.02 n/a
2010 54 47 0.59 n/a
2009 92 60 0.00 n/a
2008 59 40 0.00 n/a
2007 63 43 0.16 n/a
2006 68 52 0.00 n/a
2005 74 49 0.00 n/a
2004 66 49 0.00 n/a
2003 58 48 0.06 n/a
2002 71 49 0.00 n/a
2001 64 41 0.00 n/a
2000 66 51 0.00 n/a
1999 65 49 0.00 n/a
1998 89 51 0.00 0.0
1997 78 61 0.00 0.0
1996 71 44 0.00 0.0
1995 70 41 0.00 0.0
1994 69 49 0.00 0.0
1993 76 52 0.00 0.0
1992 67 54 0.00 0.0
1991 70 53 0.01 0.0
1990 67 54 0.00 0.0
1989 69 55 0.09 0.0
1988 66 48 0.00 0.0
1987 91 52 0.00 0.0
1986 85 54 0.00 0.0
1985 62 50 0.00 0.0
1984 74 44 0.00 0.0
1983 61 53 0.22 0.0
1982 81 53 0.00 0.0
1981 70 48 0.00 0.0
1980 n/a 45 0.65 0.0
1979 71 44 0.00 0.0
1978 64 44 0.00 0.0
1977 73 44 0.00 0.0
1976 72 46 0.00 0.0
1975 72 49 0.00 0.0
1974 70 45 0.00 0.0
1973 76 43 0.00 0.0
1972 70 42 0.00 0.0
1971 59 40 0.00 0.0
1970 61 41 0.00 0.0
1969 76 48 0.00 0.0
1968 67 37 0.00 0.0
1967 57 42 0.62 0.0
1966 72 40 0.00 0.0
1965 71 56 0.05 0.0
1964 69 43 0.00 0.0
1963 60 40 0.00 0.0
1962 76 45 0.00 0.0
1961 60 46 0.37 0.0
1960 62 48 0.00 0.0
1959 67 51 0.00 0.0
1958 78 50 0.00 0.0
1957 66 44 0.00 0.0
1956 70 52 0.00 0.0
1955 60 50 0.37 0.0
1954 83 50 0.00 0.0
1953 78 51 0.00 0.0
1952 78 44 0.00 0.0
1951 67 49 0.00 0.0
1950 74 51 0.00 0.0
1949 82 51 0.00 0.0
1948 58 50 0.01 0.0
1947 64 45 0.00 0.0
1946 72 43 0.00 0.0
1945 67 44 0.00 0.0
1944 66 40 0.00 0.0
1943 72 54 0.00 0.0
1942 71 53 0.00 0.0
1941 74 44 0.00 n/a
1940 74 48 0.00 n/a
1939 70 49 0.00 n/a
1938 69 44 0.00 n/a
1937 65 48 0.00 n/a
1936 72 52 0.06 0.0
1935 63 47 0.00 0.0
1934 71 51 0.00 n/a
1933 64 48 0.00 0.0
1932 63 41 0.00 0.0
1931 86 51 0.00 0.0
1930 77 58 0.00 n/a
1929 66 40 0.00 n/a
1928 73 41 0.00 n/a
1927 83 46 0.00 n/a
1926 74 45 0.00 n/a
1925 66 38 0.00 n/a
1924 67 41 0.00 n/a
1923 61 44 0.00 n/a
1922 65 43 0.00 n/a
1921 81 43 0.00 n/a
1920 63 33 0.00 n/a
1919 66 38 0.00 n/a
1918 84 46 0.00 n/a
1917 80 50 0.00 n/a
1916 69 43 0.00 n/a
1915 59 51 0.60 n/a
1914 64 45 0.00 n/a
1913 71 42 0.00 n/a
1912 60 35 0.00 n/a
1911 66 46 0.00 n/a
1910 77 45 0.00 n/a
1909 71 38 0.00 n/a
1908 57 41 0.14 n/a
1907 79 46 0.00 n/a
1906 n/a n/a 0.00 n/a
1905 69 50 0.09 n/a
1904 61 42 0.00 n/a
1903 n/a n/a 0.00 n/a
1902 63 40 0.01 n/a
1901 n/a n/a 0.00 n/a
1900 58 47 0.17 n/a
1899 n/a n/a 0.00 n/a
1898 n/a n/a n/a n/a
1897 66 34 0.00 n/a
1896 60 42 0.50 n/a
1895 82 41 0.00 n/a
1894 71 43 0.00 n/a
1893 75 49 0.00 n/a
What's the all-time high for San Jose on 4/21?
For the date of Apr 21, the highest temperature ever reached in San Jose history is 92 °F which happened in 2009.
Highest Temperatures in San Jose on April 21
Rank Temperature Year
1 92 °F 2009
2 91 °F 1987
2 91 °F 2012
4 89 °F 1998
5 86 °F 1931
6 85 °F 1986
7 84 °F 2013
7 84 °F 1918
9 83 °F 1927
9 83 °F 1954
What's the all-time low for San Jose on 4/21?
For the date of Apr 21, the lowest temperature ever reached in San Jose history is 33 °F which happened in 1920.
Lowest Temperatures in San Jose on April 21
Rank Temperature Year
1 33 °F 1920
2 34 °F 1897
3 35 °F 1912
4 37 °F 1968
5 38 °F 1909
5 38 °F 1925
5 38 °F 1919
8 40 °F 1966
8 40 °F 1929
8 40 °F 1963
8 40 °F 2008
8 40 °F 1902
8 40 °F 1971
8 40 °F 1944
Lowest High Temperatures in San Jose on April 21
Rank Temperature Year
1 54 °F 2010
2 57 °F 1967
2 57 °F 1908
4 58 °F 2003
4 58 °F 1900
4 58 °F 1948
7 59 °F 2008
7 59 °F 1915
7 59 °F 1971
10 60 °F 1896
10 60 °F 1955
10 60 °F 1963
10 60 °F 1961
10 60 °F 1912
What's the most it has ever rained in San Jose on 4/21?
For the date of Apr 21, the most precipitation ever recorded in San Jose history is 0.65 inches which happened in 1980.
All-Time Most Precipitation in San Jose on April 21
Rank Precipitation Year
1 0.65 inches 1980
2 0.62 inches 1967
3 0.60 inches 1915
4 0.59 inches 2010
5 0.50 inches 1896
6 0.37 inches 1955
6 0.37 inches 1961
8 0.22 inches 1983
9 0.17 inches 1900
10 0.16 inches 2007
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.
© H Brothers Inc, 2021–2024
Contact us | Privacy policy