San Jose January 21 Weather Records

Daily averages and all-time records for weather in San Jose, California for the date of January 21.
January 21 All-Time Records
1893–2024
Highest temperature 71 °F 1950
Lowest temperature 23 °F 1922
Lowest daily high 42 °F 1962
Highest daily low 59 °F 1970
Most precipitation 2.24 inches 1964
January 21 Average Weather
1991–2020 1
Average high 60.2 °F
Average low 42.8 °F
Chance precipitation 31.7%
San Jose January 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 64 54 0.41 n/a
2023 57 33 0.00 n/a
2022 68 42 0.00 n/a
2021 65 38 0.00 n/a
2020 60 46 0.00 n/a
2019 56 43 0.01 n/a
2018 60 37 0.00 n/a
2017 56 43 0.06 n/a
2016 68 49 0.00 n/a
2015 62 38 0.00 n/a
2014 68 37 0.00 n/a
2013 65 34 0.00 n/a
2012 58 41 0.25 n/a
2011 67 40 0.00 n/a
2010 50 43 0.52 n/a
2009 61 50 0.30 n/a
2008 50 40 0.88 n/a
2007 65 35 0.00 n/a
2006 55 43 0.03 n/a
2005 60 39 0.00 n/a
2004 61 37 0.00 n/a
2003 65 51 0.02 n/a
2002 57 42 0.03 n/a
2001 56 35 0.00 n/a
2000 63 42 0.00 n/a
1999 57 47 0.00 n/a
1998 56 39 0.00 0.0
1997 57 47 0.07 0.0
1996 55 47 0.54 0.0
1995 55 46 0.06 0.0
1994 69 46 0.00 0.0
1993 65 54 0.15 0.0
1992 54 35 0.00 0.0
1991 62 39 0.00 0.0
1990 58 34 0.00 0.0
1989 63 40 0.00 0.0
1988 65 36 0.00 0.0
1987 58 37 0.00 0.0
1986 60 45 0.00 0.0
1985 53 43 0.00 0.0
1984 56 47 0.10 0.0
1983 53 41 0.02 0.0
1982 51 40 0.32 0.0
1981 66 55 0.05 0.0
1980 59 37 0.00 0.0
1979 57 42 0.00 0.0
1978 59 45 0.00 0.0
1977 62 48 0.02 0.0
1976 68 36 0.00 0.0
1975 69 37 0.00 0.0
1974 55 36 0.00 0.0
1973 53 44 0.12 0.0
1972 64 49 0.00 0.0
1971 62 40 0.00 0.0
1970 63 59 0.47 0.0
1969 59 53 0.72 0.0
1968 60 38 0.00 0.0
1967 56 50 1.39 0.0
1966 58 29 0.00 0.0
1965 58 42 0.00 0.0
1964 49 41 2.24 0.0
1963 58 33 0.00 0.0
1962 42 32 0.12 n/a
1961 62 35 0.00 0.0
1960 56 50 0.18 0.0
1959 61 38 0.00 0.0
1958 57 41 0.00 0.0
1957 55 37 0.00 0.0
1956 56 50 0.02 0.0
1955 52 36 0.00 0.0
1954 55 43 0.00 0.0
1953 59 43 0.00 0.0
1952 56 42 0.04 0.0
1951 59 45 0.00 0.0
1950 71 52 0.00 0.0
1949 52 38 0.12 0.0
1948 64 36 0.00 0.0
1947 59 34 0.00 0.0
1946 59 39 0.00 0.0
1945 55 29 0.00 0.0
1944 65 39 0.00 0.0
1943 63 51 1.65 0.0
1942 65 43 0.03 0.0
1941 59 48 0.30 n/a
1940 52 33 0.00 n/a
1939 59 39 0.00 0.0
1938 61 38 0.00 n/a
1937 43 24 0.00 n/a
1936 66 36 0.00 n/a
1935 56 35 0.00 0.0
1934 60 36 0.00 0.0
1933 51 38 0.21 0.0
1932 57 38 0.00 0.0
1931 56 45 0.01 0.0
1930 56 44 0.00 0.0
1929 57 30 0.00 0.0
1928 57 36 0.00 0.0
1927 55 36 0.00 0.0
1926 59 31 0.00 0.0
1925 67 36 0.00 0.0
1924 65 28 0.00 0.0
1923 50 39 0.00 0.0
1922 50 23 0.00 0.0
1921 53 36 0.00 n/a
1920 58 48 0.00 n/a
1919 63 39 0.00 n/a
1918 59 32 0.00 n/a
1917 56 33 0.00 n/a
1916 52 37 0.00 0.0
1915 54 45 0.09 n/a
1914 55 44 0.19 n/a
1913 51 29 0.00 n/a
1912 67 40 0.00 n/a
1911 55 35 0.01 n/a
1910 54 45 n/a n/a
1909 60 44 0.41 n/a
1908 63 51 0.00 n/a
1907 62 32 0.00 n/a
1906 n/a n/a 0.00 n/a
1905 60 49 0.00 n/a
1904 55 32 0.00 n/a
1903 n/a n/a 0.01 n/a
1902 59 39 0.12 n/a
1901 n/a n/a 0.30 n/a
1900 n/a n/a 0.00 n/a
1899 n/a n/a 0.00 n/a
1898 n/a n/a n/a n/a
1897 56 36 0.00 n/a
1896 68 52 0.01 n/a
1895 51 44 0.07 n/a
1894 58 48 0.03 n/a
1893 59 27 0.00 n/a
What's the all-time high for San Jose on 1/21?
For the date of Jan 21, the highest temperature ever reached in San Jose history is 71 °F which happened in 1950.
Highest Temperatures in San Jose on January 21
Rank Temperature Year
1 71 °F 1950
2 69 °F 1994
2 69 °F 1975
4 68 °F 2014
4 68 °F 2016
4 68 °F 1896
4 68 °F 2022
4 68 °F 1976
9 67 °F 1925
9 67 °F 2011
9 67 °F 1912
What's the all-time low for San Jose on 1/21?
For the date of Jan 21, the lowest temperature ever reached in San Jose history is 23 °F which happened in 1922.
Lowest Temperatures in San Jose on January 21
Rank Temperature Year
1 23 °F 1922
2 24 °F 1937
3 27 °F 1893
4 28 °F 1924
5 29 °F 1913
5 29 °F 1945
5 29 °F 1966
8 30 °F 1929
9 31 °F 1926
10 32 °F 1962
10 32 °F 1904
10 32 °F 1907
10 32 °F 1918
Lowest High Temperatures in San Jose on January 21
Rank Temperature Year
1 42 °F 1962
2 43 °F 1937
3 49 °F 1964
4 50 °F 1922
4 50 °F 1923
4 50 °F 2008
4 50 °F 2010
8 51 °F 1933
8 51 °F 1913
8 51 °F 1895
8 51 °F 1982
What's the most it has ever rained in San Jose on 1/21?
For the date of Jan 21, the most precipitation ever recorded in San Jose history is 2.24 inches which happened in 1964.
All-Time Most Precipitation in San Jose on January 21
Rank Precipitation Year
1 2.24 inches 1964
2 1.65 inches 1943
3 1.39 inches 1967
4 0.88 inches 2008
5 0.72 inches 1969
6 0.54 inches 1996
7 0.52 inches 2010
8 0.47 inches 1970
9 0.41 inches 1909
9 0.41 inches 2024
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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