San Jose May 18 Weather Records

Daily averages and all-time records for weather in San Jose, California for the date of May 18.
May 18 All-Time Records
1893–2024
Highest temperature 100 °F 1997
Lowest temperature 36 °F 1893
Lowest daily high 56 °F 1948
Highest daily low 64 °F 1997
Most precipitation 0.43 inches 1925
May 18 Average Weather
1991–2020 1
Average high 74.3 °F
Average low 52.8 °F
Chance precipitation 9.8%
San Jose May 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 71 56 0.00 n/a
2022 86 50 0.00 n/a
2021 73 50 0.00 n/a
2020 71 54 0.06 n/a
2019 60 45 0.26 n/a
2018 70 56 0.00 n/a
2017 80 48 0.00 n/a
2016 88 60 0.00 n/a
2015 65 54 0.00 n/a
2014 72 56 0.00 n/a
2013 73 46 0.00 n/a
2012 78 50 0.00 n/a
2011 68 51 0.00 n/a
2010 70 54 0.00 n/a
2009 76 56 0.00 n/a
2008 87 56 0.00 n/a
2007 72 50 0.00 n/a
2006 75 54 0.00 n/a
2005 71 58 0.00 n/a
2004 70 53 0.00 n/a
2003 75 49 0.00 n/a
2002 67 50 0.00 n/a
2001 80 52 0.00 n/a
2000 81 51 0.00 n/a
1999 67 50 0.00 n/a
1998 76 46 0.00 0.0
1997 100 64 0.00 0.0
1996 71 54 0.00 0.0
1995 79 55 0.00 0.0
1994 71 53 0.00 0.0
1993 82 53 0.00 0.0
1992 78 52 0.00 0.0
1991 61 48 0.00 0.0
1990 65 49 0.00 0.0
1989 72 52 0.00 0.0
1988 76 47 0.00 0.0
1987 69 56 0.00 0.0
1986 78 54 0.00 0.0
1985 71 48 0.00 0.0
1984 77 48 0.00 0.0
1983 86 54 0.00 0.0
1982 71 46 0.00 0.0
1981 69 58 0.09 0.0
1980 79 53 0.00 0.0
1979 86 54 0.00 0.0
1978 89 54 0.00 0.0
1977 66 43 0.00 0.0
1976 65 45 0.00 0.0
1975 84 49 0.00 0.0
1974 61 40 0.00 0.0
1973 88 56 0.00 0.0
1972 70 46 0.00 0.0
1971 80 46 0.00 0.0
1970 75 53 0.00 0.0
1969 80 52 0.00 0.0
1968 78 51 0.00 0.0
1967 88 53 0.00 0.0
1966 85 51 0.00 0.0
1965 70 45 0.00 0.0
1964 68 52 0.00 0.0
1963 72 55 0.00 0.0
1962 68 50 0.00 0.0
1961 71 54 0.00 0.0
1960 70 48 0.00 0.0
1959 68 48 0.00 0.0
1958 82 55 0.00 0.0
1957 62 59 0.28 0.0
1956 71 55 0.00 0.0
1955 89 51 0.00 0.0
1954 76 53 0.00 0.0
1953 72 47 0.00 0.0
1952 91 54 0.00 0.0
1951 80 52 0.00 0.0
1950 75 47 0.00 0.0
1949 65 50 0.19 0.0
1948 56 49 0.00 0.0
1947 83 48 0.00 0.0
1946 72 53 0.00 0.0
1945 64 49 0.17 0.0
1944 69 48 0.00 0.0
1943 82 46 0.00 n/a
1942 75 44 0.00 n/a
1941 69 47 0.00 n/a
1940 82 56 0.00 n/a
1939 69 42 0.00 n/a
1938 73 49 0.00 n/a
1937 67 50 0.03 n/a
1936 70 54 0.00 n/a
1935 76 43 0.00 0.0
1934 60 44 0.00 n/a
1933 65 41 0.00 0.0
1932 70 49 0.00 0.0
1931 87 53 0.00 0.0
1930 79 47 0.00 n/a
1929 68 52 0.00 n/a
1928 74 51 0.00 n/a
1927 67 41 0.00 n/a
1926 91 55 0.00 n/a
1925 71 58 0.43 n/a
1924 78 51 0.00 n/a
1923 65 41 0.00 n/a
1922 67 53 0.00 n/a
1921 61 50 0.00 n/a
1920 90 51 0.00 n/a
1919 78 44 0.00 n/a
1918 64 40 0.00 n/a
1917 64 40 0.00 n/a
1916 64 46 0.01 n/a
1915 63 52 0.00 n/a
1914 69 51 0.00 n/a
1913 70 54 0.00 n/a
1912 75 47 0.00 n/a
1911 64 47 0.08 n/a
1910 70 55 0.00 n/a
1909 64 39 0.00 n/a
1908 70 47 0.00 n/a
1907 74 41 0.00 n/a
1906 n/a n/a 0.00 n/a
1905 73 46 0.00 n/a
1904 70 47 0.00 n/a
1903 n/a n/a 0.00 n/a
1902 64 42 0.00 n/a
1901 n/a n/a 0.00 n/a
1900 79 50 0.00 n/a
1899 n/a n/a 0.00 n/a
1898 n/a n/a n/a n/a
1897 80 47 0.00 n/a
1896 66 37 0.00 n/a
1895 70 37 0.00 n/a
1894 73 48 0.00 n/a
1893 70 36 0.00 n/a
What's the all-time high for San Jose on 5/18?
For the date of May 18, the highest temperature ever reached in San Jose history is 100 °F which happened in 1997.
Highest Temperatures in San Jose on May 18
Rank Temperature Year
1 100 °F 1997
2 91 °F 1952
2 91 °F 1926
4 90 °F 1920
5 89 °F 1955
5 89 °F 1978
7 88 °F 1967
7 88 °F 2016
7 88 °F 1973
10 87 °F 1931
10 87 °F 2008
What's the all-time low for San Jose on 5/18?
For the date of May 18, the lowest temperature ever reached in San Jose history is 36 °F which happened in 1893.
Lowest Temperatures in San Jose on May 18
Rank Temperature Year
1 36 °F 1893
2 37 °F 1895
2 37 °F 1896
4 39 °F 1909
5 40 °F 1918
5 40 °F 1974
5 40 °F 1917
8 41 °F 1927
8 41 °F 1923
8 41 °F 1933
8 41 °F 1907
Lowest High Temperatures in San Jose on May 18
Rank Temperature Year
1 56 °F 1948
2 60 °F 1934
2 60 °F 2019
4 61 °F 1921
4 61 °F 1974
4 61 °F 1991
7 62 °F 1957
8 63 °F 1915
9 64 °F 1909
9 64 °F 1918
9 64 °F 1917
9 64 °F 1945
9 64 °F 1902
9 64 °F 1911
9 64 °F 1916
What's the most it has ever rained in San Jose on 5/18?
For the date of May 18, the most precipitation ever recorded in San Jose history is 0.43 inches which happened in 1925.
All-Time Most Precipitation in San Jose on May 18
Rank Precipitation Year
1 0.43 inches 1925
2 0.28 inches 1957
3 0.26 inches 2019
4 0.19 inches 1949
5 0.17 inches 1945
6 0.09 inches 1981
7 0.08 inches 1911
8 0.06 inches 2020
9 0.03 inches 1937
10 0.01 inches 1916
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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