San Jose December 18 Weather Records

Daily averages and all-time records for weather in San Jose, California for the date of December 18.
December 18 All-Time Records
1893–2024
Highest temperature 69 °F 1958
Lowest temperature 25 °F 1924
Lowest daily high 47 °F 1970
Highest daily low 55 °F 1929
Most precipitation 1.08 inches 1955
December 18 Average Weather
1991–2020 1
Average high 59.1 °F
Average low 41.9 °F
Chance precipitation 31.5%
San Jose December 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 65 52 0.48 n/a
2022 58 34 0.00 n/a
2021 54 33 0.00 n/a
2020 62 37 0.00 n/a
2019 58 50 0.10 n/a
2018 64 43 0.00 n/a
2017 65 40 0.00 n/a
2016 54 30 0.00 n/a
2015 62 40 0.13 n/a
2014 62 50 0.00 n/a
2013 62 44 0.00 n/a
2012 53 40 0.00 n/a
2011 57 36 0.00 n/a
2010 61 54 0.10 n/a
2009 63 45 0.00 n/a
2008 54 32 0.02 n/a
2007 61 43 0.52 n/a
2006 55 32 0.00 n/a
2005 61 51 1.02 n/a
2004 63 37 0.00 n/a
2003 63 39 0.00 n/a
2002 57 40 0.03 n/a
2001 57 43 0.00 n/a
2000 62 39 0.00 n/a
1999 62 40 0.00 n/a
1998 65 42 0.00 0.0
1997 59 50 0.00 0.0
1996 62 40 0.00 0.0
1995 56 38 0.26 0.0
1994 59 45 0.00 0.0
1993 53 35 0.02 0.0
1992 50 33 0.00 0.0
1991 62 53 0.02 0.0
1990 56 37 0.00 0.0
1989 58 48 0.00 0.0
1988 55 38 0.00 0.0
1987 57 38 0.00 0.0
1986 55 50 0.19 0.0
1985 60 35 0.00 0.0
1984 54 38 0.00 0.0
1983 60 50 0.00 0.0
1982 58 36 0.00 0.0
1981 59 51 0.18 0.0
1980 63 48 0.00 0.0
1979 60 36 0.00 0.0
1978 54 45 0.13 0.0
1977 53 41 0.07 0.0
1976 60 34 0.00 0.0
1975 61 33 0.00 0.0
1974 56 34 0.00 0.0
1973 60 42 0.00 0.0
1972 62 47 0.03 0.0
1971 54 31 0.00 0.0
1970 47 41 0.52 0.0
1969 63 53 0.03 0.0
1968 54 32 0.00 0.0
1967 48 41 0.57 0.0
1966 54 35 0.00 0.0
1965 52 26 0.00 0.0
1964 53 39 0.07 0.0
1963 n/a n/a n/a n/a
1962 59 53 0.00 0.0
1961 52 40 0.00 0.0
1960 65 45 0.00 0.0
1959 65 44 0.00 0.0
1958 69 43 0.00 0.0
1957 58 48 0.32 0.0
1956 66 39 0.00 0.0
1955 57 51 1.08 0.0
1954 60 36 0.00 0.0
1953 61 46 0.00 0.0
1952 58 48 0.00 0.0
1951 53 45 0.06 0.0
1950 55 44 0.00 0.0
1949 54 49 0.46 0.0
1948 56 37 0.00 0.0
1947 58 46 0.00 0.0
1946 59 36 0.00 0.0
1945 54 40 0.00 0.0
1944 57 45 0.15 0.0
1943 61 53 0.03 0.0
1942 55 42 0.00 n/a
1941 68 50 0.00 0.0
1940 67 50 0.77 n/a
1939 62 41 0.00 n/a
1938 60 50 0.42 n/a
1937 69 46 0.00 n/a
1936 58 36 0.00 0.0
1935 62 30 0.00 n/a
1934 58 36 0.00 0.0
1933 50 35 0.00 n/a
1932 53 43 0.00 0.0
1931 64 43 0.00 0.0
1930 59 38 0.00 n/a
1929 60 55 0.00 n/a
1928 56 29 0.00 n/a
1927 58 30 0.00 n/a
1926 55 38 0.00 n/a
1925 59 45 0.23 n/a
1924 47 25 0.00 n/a
1923 59 40 0.06 n/a
1922 63 47 0.00 n/a
1921 51 38 0.05 n/a
1920 57 49 0.04 n/a
1919 59 34 0.00 n/a
1918 56 31 0.00 n/a
1917 61 44 0.00 n/a
1916 59 32 0.00 n/a
1915 57 40 0.00 n/a
1914 56 39 0.03 n/a
1913 52 32 0.00 n/a
1912 58 43 0.00 n/a
1911 59 31 0.00 n/a
1910 65 38 n/a n/a
1909 62 30 0.00 n/a
1908 50 25 0.00 n/a
1907 57 36 0.00 n/a
1906 55 39 0.00 n/a
1905 n/a n/a 0.03 n/a
1904 60 31 0.00 n/a
1903 56 n/a 0.00 n/a
1902 n/a n/a 0.00 n/a
1901 66 31 0.00 n/a
1900 n/a n/a 0.22 n/a
1899 n/a n/a 0.05 n/a
1898 n/a n/a 0.00 n/a
1897 n/a n/a n/a n/a
1896 52 40 0.00 n/a
1895 55 30 0.00 n/a
1894 58 48 0.41 n/a
1893 58 38 0.00 n/a
What's the all-time high for San Jose on 12/18?
For the date of Dec 18, the highest temperature ever reached in San Jose history is 69 °F which has happened 2 times, most recently in 1958.
Highest Temperatures in San Jose on December 18
Rank Temperature Year
1 69 °F 1937
1 69 °F 1958
3 68 °F 1941
4 67 °F 1940
5 66 °F 1956
5 66 °F 1901
7 65 °F 2023
7 65 °F 2017
7 65 °F 1960
7 65 °F 1998
7 65 °F 1910
7 65 °F 1959
What's the all-time low for San Jose on 12/18?
For the date of Dec 18, the lowest temperature ever reached in San Jose history is 25 °F which has happened 2 times, most recently in 1924.
Lowest Temperatures in San Jose on December 18
Rank Temperature Year
1 25 °F 1908
1 25 °F 1924
3 26 °F 1965
4 29 °F 1928
5 30 °F 1927
5 30 °F 1895
5 30 °F 1935
5 30 °F 1909
5 30 °F 2016
10 31 °F 1918
10 31 °F 1904
10 31 °F 1901
10 31 °F 1911
10 31 °F 1971
Lowest High Temperatures in San Jose on December 18
Rank Temperature Year
1 47 °F 1970
1 47 °F 1924
3 48 °F 1967
4 50 °F 1908
4 50 °F 1933
4 50 °F 1992
7 51 °F 1921
8 52 °F 1913
8 52 °F 1896
8 52 °F 1961
8 52 °F 1965
What's the most it has ever rained in San Jose on 12/18?
For the date of Dec 18, the most precipitation ever recorded in San Jose history is 1.08 inches which happened in 1955.
All-Time Most Precipitation in San Jose on December 18
Rank Precipitation Year
1 1.08 inches 1955
2 1.02 inches 2005
3 0.77 inches 1940
4 0.57 inches 1967
5 0.52 inches 2007
5 0.52 inches 1970
7 0.48 inches 2023
8 0.46 inches 1949
9 0.42 inches 1938
10 0.41 inches 1894
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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