San Diego, California Calendar Year Air Temperature in Degrees Celsius Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Max: 16.3 17.5 18.0 19.4 20.1 22.7 25.1 25.2 26.0 22.4 19.3 17.4 Mean: 12.9 13.5 14.3 15.6 16.9 18.5 20.5 21.3 20.4 18.3 15.7 13.5 Min: 8.8 10.2 11.1 12.8 14.1 15.4 17.5 18.6 17.1 15.0 13.2 9.4 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year 1849 23.5 24.1 21.1 17.8 13.6 10.7 1850 10.7 11.4 12.7 15.2 16.6 17.8 19.7 23.6 21.9 19.0 13.7 9.4 16.0 1851 10.7 10.2 12.8 13.6 11.6 1852 11.7 13.3 12.8 14.2 16.2 19.5 22.9 22.5 23.1 18.3 14.1 14.4 16.9 1853 12.1 11.7 14.3 17.0 17.4 20.2 22.7 22.7 21.5 20.4 15.8 13.4 17.4 1854 12.3 12.8 13.6 17.4 15.9 17.8 22.8 22.3 19.3 17.8 14.8 13.1 16.7 1855 11.4 13.4 14.7 16.8 17.8 20.4 21.6 22.2 20.2 19.2 13.6 11.3 16.9 1856 10.6 11.9 13.4 15.6 16.1 20.3 22.4 22.5 20.4 16.4 13.4 10.0 16.1 1857 11.3 12.0 14.9 17.0 18.0 20.6 19.6 22.7 20.2 17.7 14.0 14.3 16.9 1858 14.0 13.3 12.8 14.3 17.1 19.2 20.7 21.0 20.9 17.5 14.8 11.7 16.4 1859 12.5 12.7 12.9 13.4 15.6 19.4 20.9 20.2 19.2 18.4 15.6 12.9 16.2 1860 10.8 12.2 15.0 15.8 16.6 18.1 20.4 21.6 20.6 17.5 13.8 12.9 16.3 1861 10.8 13.6 14.3 17.7 18.7 19.8 22.8 22.4 20.7 18.1 15.4 14.5 17.4 1862 13.1 11.0 13.8 15.2 17.1 20.1 21.8 22.7 20.8 18.8 15.8 13.0 16.9 1863 11.6 11.6 15.5 16.1 17.0 18.1 20.0 20.1 20.5 18.7 15.0 13.2 16.4 1864 13.3 13.4 14.7 16.6 18.4 20.6 20.9 23.9 20.7 18.1 15.1 13.6 17.4 1865 13.3 12.6 14.3 15.4 17.9 18.7 19.8 22.1 20.1 18.4 16.7 11.2 16.7 1866 12.5 13.9 14.4 17.1 15.8 19.2 20.9 22.8 20.9 18.3 15.8 14.8 17.2 1867 12.9 11.8 13.0 16.5 17.6 20.6 21.4 23.6 22.1 17.8 17.3 17.4 17.7 1868 12.5 13.6 14.1 16.2 16.8 18.7 20.8 23.4 22.3 18.9 16.7 13.0 17.3 1869 13.7 13.1 15.4 16.7 16.8 18.0 20.4 21.3 20.2 19.1 16.2 10.3 16.8 1870 13.1 14.2 13.5 14.9 16.3 18.1 20.2 21.4 19.4 17.6 15.2 10.8 16.2 1871 11.9 11.2 13.7 14.3 17.6 18.4 21.9 22.3 20.2 18.7 14.6 13.8 16.5 1872 11.5 12.9 13.6 13.3 15.8 18.3 19.2 20.5 18.9 16.9 15.2 13.0 15.8 1873 13.6 11.7 13.7 14.4 15.6 17.1 19.5 20.6 19.8 16.6 15.6 12.2 15.9 1874 12.4 11.3 11.4 13.4 15.9 17.4 20.2 20.1 18.7 17.3 13.6 11.7 15.3 1875 11.7 12.4 12.7 14.3 17.1 18.2 20.2 21.8 19.8 19.5 15.6 13.7 16.4 1876 10.9 13.2 12.7 15.0 16.1 18.5 20.2 20.5 19.0 18.1 15.1 13.6 16.1 1877 13.9 14.3 14.9 14.6 15.8 19.1 20.3 20.3 19.9 17.7 15.8 13.6 16.7 1878 12.9 13.2 13.7 14.5 16.4 17.9 19.4 20.2 19.6 16.6 14.1 11.8 15.9 1879 11.1 12.6 14.3 14.5 15.7 17.9 18.8 20.4 19.2 16.9 13.3 12.0 15.6 1880 11.2 10.3 11.1 13.6 15.9 17.3 17.5 18.8 17.2 16.2 13.3 13.7 14.7 1881 11.4 13.1 12.3 16.0 16.9 17.9 19.6 20.2 19.2 16.3 13.7 12.6 15.8 1882 10.1 10.6 12.8 13.7 16.7 18.0 19.3 21.3 19.3 16.6 13.8 13.0 15.4 1883 11.7 12.1 14.1 14.1 15.9 19.3 20.4 20.6 20.9 16.4 14.7 14.0 16.2 1884 12.6 13.2 13.6 14.2 16.4 18.1 20.3 20.9 18.3 16.2 14.7 12.3 15.9 1885 12.1 12.9 15.3 16.7 17.4 18.0 19.8 22.2 19.9 17.7 15.2 13.8 16.7 1886 13.1 14.6 12.7 14.0 15.8 17.3 19.6 21.4 19.2 15.3 13.2 13.2 15.8 1887 12.2 11.5 13.9 15.0 16.8 18.2 19.2 19.1 18.7 18.0 15.0 12.4 15.8 1888 10.7 12.6 13.2 16.0 16.3 18.9 20.0 20.4 20.8 18.2 15.2 14.2 16.4 1889 12.4 14.4 15.1 15.7 15.9 17.6 19.6 21.3 21.1 18.4 16.3 13.8 16.8 1890 10.3 12.3 13.6 14.7 15.7 17.7 20.1 20.8 20.4 17.9 17.3 15.7 16.4 1891 12.3 11.8 13.8 14.5 15.9 17.4 20.3 22.2 21.1 17.5 14.9 10.9 16.1 1892 12.6 12.7 13.3 14.3 16.1 16.5 18.1 19.7 18.4 16.9 15.7 12.0 15.5 1893 13.9 12.4 12.3 14.1 16.1 17.3 19.4 20.9 17.9 16.9 13.9 13.8 15.7 1894 9.5 10.2 11.4 13.5 14.7 16.2 18.0 19.2 18.7 16.9 13.6 12.3 14.5 1895 11.6 13.2 13.0 14.3 16.6 17.1 18.4 19.3 19.5 17.8 14.9 12.4 15.7 1896 12.8 14.2 14.6 13.6 16.6 18.1 20.1 20.6 19.1 17.7 15.1 14.7 16.4 1897 13.0 12.6 12.3 15.4 16.0 17.3 19.2 20.8 19.9 16.7 15.3 12.4 15.9 1898 10.2 12.8 12.5 15.0 14.8 17.5 19.1 21.2 20.1 16.7 14.9 13.3 15.7 1899 12.8 11.8 13.6 14.5 14.2 16.2 18.4 18.6 18.4 16.9 15.7 14.5 15.5 1900 14.1 14.2 15.1 13.7 16.0 17.8 19.6 18.8 18.5 17.1 17.8 15.4 16.5 1901 13.2 14.1 15.6 14.1 15.5 16.8 18.6 19.9 18.1 16.9 15.7 14.0 16.0 1902 13.3 12.6 12.7 13.9 15.6 16.6 18.3 19.1 18.8 16.8 14.3 12.9 15.4 1903 13.6 11.2 14.2 14.6 15.8 17.2 18.8 20.0 19.8 17.3 16.1 14.0 16.0 1904 12.9 12.5 13.6 14.9 15.8 17.9 19.1 21.4 21.1 19.2 17.6 14.6 16.7 1905 14.3 14.9 15.3 15.0 15.4 16.9 18.2 19.4 18.9 17.5 14.8 13.0 16.1 1906 12.3 14.4 14.3 14.5 15.5 18.1 20.2 20.1 19.9 18.4 14.2 13.2 16.3 1907 11.3 15.6 13.7 15.2 15.9 17.0 19.8 19.3 18.2 18.1 15.9 14.0 16.2 1908 13.6 12.2 13.8 15.2 14.1 15.4 19.1 19.8 19.1 16.3 14.0 11.8 15.4 1909 12.1 12.3 12.5 14.9 15.4 16.8 18.2 20.1 19.1 17.5 13.7 11.8 15.4 1910 11.0 11.6 14.0 16.4 16.1 16.5 19.2 19.7 19.7 17.6 14.5 13.1 15.8 1911 13.2 11.2 14.4 14.2 15.1 16.7 18.8 19.4 18.8 17.1 16.2 11.6 15.6 1912 13.7 13.4 12.9 13.3 15.8 17.2 19.2 18.9 18.6 17.2 15.9 11.9 15.7 1913 10.1 11.8 12.8 14.4 15.3 16.9 19.9 20.3 21.1 18.4 15.7 12.7 15.8 1914 13.3 14.1 16.3 16.3 15.6 17.5 18.6 18.8 18.7 18.7 17.7 12.2 16.5 1915 12.7 12.9 15.2 15.3 15.8 18.1 19.5 20.6 18.9 16.9 15.0 12.8 16.2 1916 11.2 13.5 15.1 15.6 15.9 16.2 18.1 19.2 17.8 15.0 13.3 11.0 15.2 1917 10.7 12.6 12.6 13.8 14.6 17.4 20.3 20.1 19.9 17.9 15.7 14.4 15.8 1918 12.2 12.8 14.7 15.7 15.9 19.2 19.8 20.8 21.3 19.9 15.1 12.3 16.6 1919 13.4 11.9 12.8 15.1 16.1 18.8 20.1 20.0 19.0 16.5 14.4 13.3 16.0 1920 12.3 13.7 13.1 14.2 15.4 17.4 19.2 21.1 18.8 16.2 14.2 12.3 15.7 1921 11.8 12.8 14.2 14.1 14.6 17.1 20.0 19.9 19.2 17.9 15.4 14.8 16.0 1922 11.2 12.0 12.6 12.8 15.7 17.8 19.6 21.3 20.9 17.6 14.1 14.1 15.8 1923 13.3 12.8 14.7 14.9 17.3 16.7 19.2 19.7 19.9 17.8 17.4 13.8 16.5 1924 12.7 14.9 13.7 15.2 17.2 18.4 19.2 19.2 18.9 15.7 15.2 11.9 16.0 1925 12.2 13.6 14.0 14.7 16.8 17.9 21.0 20.2 19.1 17.4 15.7 15.4 16.5 1926 13.5 15.3 16.9 17.4 17.6 18.8 19.6 20.5 18.7 17.6 17.3 12.6 17.2 1927 13.0 13.6 13.6 14.5 16.4 17.4 20.6 20.5 19.2 18.1 17.4 13.3 16.5 1928 14.3 14.2 15.2 15.3 17.2 17.8 19.2 19.5 19.0 16.8 15.7 13.3 16.5 1929 12.4 11.8 13.1 14.2 17.1 18.4 20.8 22.2 20.1 19.3 16.7 15.7 16.8 1930 13.3 14.4 15.4 16.6 15.6 18.1 20.6 21.3 19.4 18.2 17.2 13.9 17.0 1931 14.3 15.1 16.6 17.6 19.0 20.4 23.1 23.2 21.0 19.2 14.0 12.1 18.0 1932 11.2 13.1 15.0 15.7 16.6 17.7 18.7 18.9 18.7 17.3 17.9 12.4 16.1 1933 11.6 11.5 13.9 14.3 14.5 16.4 18.6 19.2 17.1 16.8 16.4 12.9 15.3 1934 13.4 14.6 16.5 16.8 18.2 17.8 20.5 20.6 20.7 18.3 16.2 15.1 17.4 1935 13.3 14.1 12.5 15.5 16.4 17.4 19.9 21.4 19.6 17.8 14.4 14.1 16.4 1936 13.6 13.5 14.1 14.5 17.4 18.5 21.4 21.8 20.0 18.3 17.6 14.5 17.1 1937 9.6 12.5 13.7 15.4 16.7 18.3 20.2 20.4 20.7 18.1 15.6 15.7 16.4 1938 14.7 14.0 14.0 15.5 16.4 17.3 19.3 20.8 21.3 17.6 15.1 15.4 16.8 1939 13.1 11.3 12.9 16.1 16.8 18.2 20.6 21.7 22.9 19.7 17.1 15.8 17.2 1940 14.5 14.4 15.7 17.0 18.2 18.4 20.2 20.6 20.4 19.2 16.2 16.0 17.6 1941 14.2 15.5 16.7 16.0 19.6 19.1 20.8 21.5 20.0 18.6 17.5 14.2 17.8 1942 14.3 13.1 14.4 15.7 17.7 18.3 20.9 21.2 19.9 18.9 16.1 14.2 17.0 1943 13.8 15.4 15.5 16.1 18.3 18.4 20.6 21.8 20.4 18.7 16.5 14.3 17.5 1944 13.5 12.6 14.8 15.3 16.9 17.9 19.3 20.7 19.4 18.1 15.4 14.6 16.5 1945 12.9 13.8 13.2 14.6 17.0 18.3 20.5 21.8 21.9 19.6 15.6 14.0 16.9 1946 13.4 12.4 13.9 16.9 17.6 20.0 21.5 22.4 21.7 17.9 14.6 13.9 17.2 1947 11.9 14.7 16.0 17.2 17.7 19.3 20.8 21.6 21.7 19.2 14.7 13.2 17.3 1948 13.2 12.3 13.3 16.2 16.9 18.1 19.4 20.2 20.2 17.8 15.5 12.0 16.3 1949 8.8 11.5 13.4 16.3 17.2 19.5 20.7 21.2 21.1 17.9 18.1 12.7 16.5 1950 11.1 13.1 14.6 15.9 16.2 17.8 20.9 20.1 19.7 19.3 16.9 15.4 16.8 1951 13.1 13.1 14.8 15.9 16.7 18.7 20.7 20.5 20.1 19.2 16.4 13.0 16.9 1952 12.4 14.3 13.3 15.4 17.8 17.7 20.1 21.2 21.4 18.4 15.3 13.6 16.7 1953 15.5 13.9 14.2 14.9 17.1 18.2 21.5 21.1 20.1 19.7 17.3 14.2 17.3 1954 12.8 16.2 14.0 16.1 17.2 18.3 22.1 22.1 20.7 17.9 17.6 14.5 17.5 1955 12.2 13.0 15.4 15.4 16.5 18.2 20.1 22.4 21.9 17.4 15.6 14.0 16.8 1956 13.0 11.9 14.5 14.8 18.0 19.1 20.7 20.9 22.3 18.7 17.9 15.5 17.3 1957 13.6 15.5 15.4 15.9 17.3 20.2 21.8 22.9 21.1 18.6 15.9 16.3 17.9 1958 15.2 15.6 14.2 17.6 18.8 20.0 21.1 22.8 22.6 21.6 16.6 16.6 18.6 1959 15.4 13.9 17.4 18.1 18.0 20.1 23.1 23.1 22.0 19.6 18.5 15.6 18.7 1960 12.7 13.8 15.5 17.1 18.2 19.1 21.7 21.8 22.6 18.8 15.8 13.5 17.6 1961 15.9 15.0 15.0 16.6 16.4 18.2 21.1 22.5 20.9 19.3 15.7 13.4 17.5 1962 13.7 13.6 13.2 16.5 17.0 17.7 20.1 21.4 20.2 18.1 15.4 13.6 16.7 1963 12.8 16.2 14.1 14.8 17.6 18.2 20.1 22.2 23.5 20.1 16.2 14.7 17.5 1964 12.9 13.7 14.3 15.7 16.0 17.8 20.7 21.5 19.9 20.3 15.0 13.1 16.7 1965 13.3 13.3 14.8 15.9 16.9 17.6 19.8 22.2 20.3 20.8 16.0 12.8 17.0 1966 12.2 12.5 14.5 16.3 17.5 19.2 20.7 22.5 21.0 19.8 16.6 14.0 17.2 1967 12.8 14.3 15.0 13.6 17.5 17.5 21.3 22.8 22.2 20.1 17.8 13.0 17.3 1968 14.0 16.0 15.9 16.9 17.7 18.8 22.0 22.3 21.8 19.2 16.5 12.7 17.8 1969 14.5 12.7 13.8 16.5 17.1 18.6 20.8 22.7 21.0 18.9 17.8 15.1 17.5 1970 13.9 15.4 15.8 15.6 17.5 18.7 21.3 22.7 20.9 19.0 16.3 13.0 17.5 1971 12.4 13.0 14.3 15.9 16.4 18.3 20.7 24.1 22.3 18.7 15.3 12.3 17.0 1972 12.7 14.3 15.7 16.8 18.1 19.4 22.6 22.3 20.4 18.6 15.4 14.2 17.6 1973 13.1 15.5 14.5 16.4 17.4 20.0 20.6 21.3 20.5 19.3 15.9 14.5 17.4 1974 13.8 14.5 15.0 16.6 17.4 19.4 21.9 21.2 21.2 19.3 16.8 13.5 17.6 1975 13.4 13.5 14.1 14.8 16.7 18.3 20.7 20.5 21.9 18.8 15.8 13.8 16.9 1976 14.9 15.3 15.7 16.1 18.4 20.9 21.7 22.5 23.2 21.7 19.3 15.9 18.8 1977 15.7 16.5 14.2 16.3 16.6 18.8 22.0 22.8 22.3 20.5 18.3 17.4 18.4 1978 16.1 16.0 18.0 17.4 20.1 21.8 22.0 22.7 23.3 21.2 16.5 12.9 19.0 1979 13.8 13.8 15.6 17.4 18.6 21.2 22.1 23.3 24.6 20.4 16.9 15.9 18.6 1980 16.1 17.5 16.4 17.7 17.7 20.2 22.7 23.4 21.3 19.6 17.0 16.0 18.8 1981 16.3 16.8 16.1 18.0 19.6 22.7 24.2 24.4 23.1 19.5 17.5 15.7 19.5 1982 13.6 16.0 15.8 17.6 18.8 19.3 22.1 23.0 22.8 21.2 16.7 14.1 18.4 1983 15.9 16.0 16.6 16.9 19.0 20.0 22.5 25.2 24.9 22.4 18.0 15.9 19.4 1984 16.2 15.6 17.6 18.0 20.0 21.1 25.1 24.7 26.0 20.3 16.3 13.7 19.6 1985 13.9 14.0 14.9 17.5 18.2 20.5 24.1 22.4 21.0 20.0 15.6 14.4 18.0 1986 16.1 14.9 15.9 17.1 18.1 19.7 20.9 22.1 19.4 18.6 17.1 14.2 17.8 1987 13.0 14.4 15.1 17.4 18.1 18.8 19.5 21.0 21.1 20.8 16.6 12.2 17.3 1988 13.7 15.5 16.5 16.9 17.7 18.3 21.3 21.7 21.1 19.3 15.6 13.3 17.6 1989 12.6 13.7 15.4 18.7 17.6 18.9 21.1 21.7 21.3 19.0 17.3 14.8 17.7 1990 13.7 12.9 14.9 17.3 17.9 20.5 22.4 22.0 22.1 20.4 17.0 13.1 17.8 1991 14.1 15.2 13.6 16.5 16.7 17.9 19.7 20.5 20.8 20.0 16.8 14.0 17.1 1992 14.1 16.2 15.8 19.4 20.0 20.0 22.1 23.8 22.4 20.1 17.0 12.9 18.7 1993 13.8 14.4 16.3 17.7 18.9 20.3 21.0 21.2 20.6 19.6 16.4 13.9 17.8 1994 14.3 13.6 15.8 16.1 16.7 20.1 20.8 23.3 22.5 19.3 13.6 13.2 17.4 1995 13.8 16.3 15.8 16.4 16.7 18.2 20.6 22.2 21.9 19.5 17.3 14.6 17.8 1996 14.2 14.9 15.6 18.1 19.3 19.9 21.1