San Jose April 20 Weather Records

Daily averages and all-time records for weather in San Jose, California for the date of April 20.
April 20 All-Time Records
1893–2024
Highest temperature 95 °F 2009
Lowest temperature 28 °F 1896
Lowest daily high 53 °F 1963
Highest daily low 62 °F 1997
Most precipitation 0.57 inches 1963
April 20 Average Weather
1991–2020 1
Average high 70.7 °F
Average low 49.4 °F
Chance precipitation 18.3%
San Jose April 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 74 52 0.00 n/a
2023 71 45 0.00 n/a
2022 73 47 0.05 n/a
2021 65 47 0.00 n/a
2020 65 54 0.00 n/a
2019 65 52 0.00 n/a
2018 76 47 0.00 n/a
2017 69 54 0.12 n/a
2016 79 50 0.00 n/a
2015 69 55 0.00 n/a
2014 80 50 0.00 n/a
2013 79 51 0.00 n/a
2012 88 57 0.00 n/a
2011 69 54 0.00 n/a
2010 60 49 0.51 n/a
2009 95 57 0.00 n/a
2008 58 41 0.00 n/a
2007 63 47 0.10 n/a
2006 68 47 0.00 n/a
2005 66 46 0.00 n/a
2004 68 56 0.00 n/a
2003 62 49 0.00 n/a
2002 67 46 0.00 n/a
2001 56 43 0.51 n/a
2000 70 50 0.00 n/a
1999 66 50 0.00 n/a
1998 76 52 0.00 0.0
1997 76 62 0.00 0.0
1996 63 45 0.04 0.0
1995 62 49 0.03 0.0
1994 69 47 0.00 0.0
1993 78 50 0.00 0.0
1992 80 54 0.00 0.0
1991 70 50 0.08 0.0
1990 72 55 0.00 0.0
1989 78 59 0.00 0.0
1988 68 51 0.39 0.0
1987 84 48 0.00 0.0
1986 88 52 0.00 0.0
1985 59 45 0.00 0.0
1984 66 45 0.00 0.0
1983 69 53 0.10 0.0
1982 80 49 0.00 0.0
1981 66 51 0.00 0.0
1980 72 55 0.03 0.0
1979 68 48 0.00 0.0
1978 65 50 0.09 0.0
1977 79 46 0.00 0.0
1976 74 48 0.00 0.0
1975 74 43 0.00 0.0
1974 69 42 0.00 0.0
1973 71 42 0.00 0.0
1972 68 38 0.00 0.0
1971 58 49 0.08 0.0
1970 64 41 0.00 0.0
1969 76 44 0.00 0.0
1968 67 40 0.00 0.0
1967 61 35 0.00 0.0
1966 71 40 0.00 0.0
1965 70 55 0.00 0.0
1964 64 50 0.00 0.0
1963 53 46 0.57 0.0
1962 66 48 0.00 0.0
1961 65 40 0.00 0.0
1960 72 46 0.00 0.0
1959 73 46 0.00 0.0
1958 80 53 0.00 0.0
1957 57 47 0.18 0.0
1956 79 50 0.00 0.0
1955 57 48 0.00 0.0
1954 77 50 0.00 0.0
1953 71 48 0.00 0.0
1952 75 49 0.00 0.0
1951 64 49 0.00 0.0
1950 87 53 0.00 0.0
1949 73 47 0.00 0.0
1948 65 50 0.00 0.0
1947 69 47 0.00 0.0
1946 71 41 0.00 0.0
1945 68 50 0.00 0.0
1944 59 43 0.00 0.0
1943 68 44 0.00 0.0
1942 73 54 0.00 0.0
1941 73 44 0.00 n/a
1940 77 43 0.00 n/a
1939 64 49 0.00 n/a
1938 67 46 0.00 n/a
1937 82 46 0.00 n/a
1936 70 50 0.00 0.0
1935 n/a 48 0.00 0.0
1934 74 50 0.00 n/a
1933 62 47 0.00 0.0
1932 57 46 0.00 0.0
1931 92 52 0.00 0.0
1930 80 48 0.00 n/a
1929 65 45 0.00 n/a
1928 65 47 0.00 n/a
1927 78 40 0.00 n/a
1926 71 51 0.00 n/a
1925 57 43 0.36 n/a
1924 72 42 0.00 n/a
1923 66 41 0.00 n/a
1922 74 40 0.00 n/a
1921 66 45 0.00 n/a
1920 60 38 0.00 n/a
1919 71 43 0.00 n/a
1918 86 45 0.00 n/a
1917 72 42 0.00 n/a
1916 72 42 0.00 n/a
1915 66 53 0.04 n/a
1914 60 48 0.00 n/a
1913 71 46 0.00 n/a
1912 60 40 0.00 n/a
1911 72 41 0.00 n/a
1910 68 48 0.00 n/a
1909 65 39 0.00 n/a
1908 63 45 0.00 n/a
1907 77 49 0.00 n/a
1906 n/a n/a 0.00 n/a
1905 65 42 0.00 n/a
1904 63 37 0.00 n/a
1903 n/a n/a 0.00 n/a
1902 63 42 0.15 n/a
1901 n/a n/a 0.00 n/a
1900 60 50 0.40 n/a
1899 n/a n/a 0.00 n/a
1898 n/a n/a n/a n/a
1897 65 41 0.00 n/a
1896 70 28 0.00 n/a
1895 78 37 0.00 n/a
1894 77 43 0.00 n/a
1893 75 35 0.00 n/a
What's the all-time high for San Jose on 4/20?
For the date of Apr 20, the highest temperature ever reached in San Jose history is 95 °F which happened in 2009.
Highest Temperatures in San Jose on April 20
Rank Temperature Year
1 95 °F 2009
2 92 °F 1931
3 88 °F 2012
3 88 °F 1986
5 87 °F 1950
6 86 °F 1918
7 84 °F 1987
8 82 °F 1937
9 80 °F 2014
9 80 °F 1930
9 80 °F 1982
9 80 °F 1992
9 80 °F 1958
What's the all-time low for San Jose on 4/20?
For the date of Apr 20, the lowest temperature ever reached in San Jose history is 28 °F which happened in 1896.
Lowest Temperatures in San Jose on April 20
Rank Temperature Year
1 28 °F 1896
2 35 °F 1967
2 35 °F 1893
4 37 °F 1895
4 37 °F 1904
6 38 °F 1972
6 38 °F 1920
8 39 °F 1909
9 40 °F 1912
9 40 °F 1966
9 40 °F 1961
9 40 °F 1922
9 40 °F 1968
9 40 °F 1927
Lowest High Temperatures in San Jose on April 20
Rank Temperature Year
1 53 °F 1963
2 56 °F 2001
3 57 °F 1957
3 57 °F 1955
3 57 °F 1932
3 57 °F 1925
7 58 °F 1971
7 58 °F 2008
9 59 °F 1944
9 59 °F 1985
What's the most it has ever rained in San Jose on 4/20?
For the date of Apr 20, the most precipitation ever recorded in San Jose history is 0.57 inches which happened in 1963.
All-Time Most Precipitation in San Jose on April 20
Rank Precipitation Year
1 0.57 inches 1963
2 0.51 inches 2001
2 0.51 inches 2010
4 0.40 inches 1900
5 0.39 inches 1988
6 0.36 inches 1925
7 0.18 inches 1957
8 0.15 inches 1902
9 0.12 inches 2017
10 0.10 inches 2007
10 0.10 inches 1983
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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