Monthly mean maximum temperatures for Boston, MA
Monthly mean maximum temperatures for BOSTON WSFO AP
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Tot
1872 34.7 55.7 68.0 76.7 85.9 82.4 72.6 59.3 47.6 30.6 61.4
1873 32.9 33.9 41.4 51.8 66.3 77.9 82.6 78.4 72.2 62.6 40.9 39.7 56.7
1874 38.2 35.5 43.2 46.7 64.5 75.1 82.6 77.1 72.0 62.0 49.9 40.3 57.3
1875 27.7 31.6 39.4 51.4 67.7 77.0 81.9 78.7 68.6 58.1 43.4 37.5 55.2
1876 39.9 36.2 42.3 52.7 63.6 77.7 82.7 79.0 67.2 57.9 47.5 31.6 56.5
1877 33.9 43.3 42.5 51.2 64.2 75.8 78.7 80.5 74.3 60.7 51.5 45.4 58.5
1878 37.7 39.1 48.2 54.5 64.5 73.6 82.9 78.4 72.7 64.8 48.1 37.5 58.5
1879 34.2 34.1 41.4 51.1 70.2 74.5 80.1 78.0 71.4 67.5 47.2 41.5 57.6
1880 43.8 42.4 41.5 56.0 74.7 78.7 80.8 81.4 74.6 62.8 46.6 34.1 59.8
1881 30.8 37.2 43.3 52.6 66.4 71.2 79.7 80.8 76.1 65.0 53.1 48.2 58.7
1882 35.4 39.5 45.0 52.5 59.7 77.3 83.4 82.1 71.4 63.3 47.1 38.3 57.9
1883 33.3 38.4 40.4 54.7 65.9 79.9 82.3 77.9 68.4 56.2 51.8 37.0 57.2
1884 32.0 39.2 42.2 50.8 64.2 78.0 77.3 77.6 76.6 61.5 50.1 41.3 57.6
1885 36.7 28.7 36.7 56.1 60.7 77.4 80.2 75.1 69.2 59.0 50.5 40.7 55.9
1886 32.7 35.2 40.4 56.7 65.1 70.9 79.6 76.8 70.8 59.6 50.8 36.0 56.2
1887 34.4 36.5 39.0 52.4 67.5 73.5 82.1 75.0 67.7 58.8 50.6 39.0 56.4
1888 28.8 37.1 39.7 50.4 60.6 76.3 77.5 78.9 66.0 54.3 51.2 41.5 55.2
1889 42.0 33.0 44.3 54.9 69.5 77.0 76.0 73.8 69.0 54.5 50.4 45.1 57.5
1890 41.0 41.2 42.2 54.3 65.2 72.1 79.0 76.1 69.6 56.4 49.1 34.2 56.7
1891 37.6 39.5 40.0 56.8 64.6 73.4 76.5 76.8 74.0 58.6 48.2 47.5 57.8
1892 35.8 33.8 39.8 57.4 63.1 78.1 81.3 76.7 70.8 60.0 47.1 36.3 56.7
1893 28.1 34.6 40.2 51.9 64.0 71.6 80.4 76.7 67.8 61.8 49.3 37.6 55.3
1894 37.1 34.0 49.9 54.0 65.7 78.1 82.3 75.9 72.0 60.6 44.6 38.9 57.8
1895 35.7 32.5 41.1 53.8 69.9 73.5 76.9 79.3 73.8 57.8 52.5 42.7 57.5
1896 30.6 36.8 39.5 55.4 69.8 74.4 79.6 78.3 69.7 56.6 54.5 37.6 56.9
1897 36.1 37.6 44.5 58.4 65.7 70.5 79.2 77.3 72.0 63.4 49.7 40.3 57.9
1898 35.9 39.8 49.9 50.3 62.9 73.6 79.6 80.8 75.0 61.2 48.2 38.9 58.0
1899 38.1 34.1 40.6 57.3 66.5 79.7 81.7 76.1 70.2 61.7 49.0 43.4 58.2
1900 39.5 37.0 43.4 57.2 65.0 78.1 82.8 79.0 72.2 63.5 51.8 40.7 59.2
1901 34.6 31.1 42.9 48.0 61.0 77.2 81.5 77.4 73.7 63.2 43.6 39.6 56.2
1902 33.8 35.1 50.3 55.9 67.0 73.8 75.0 75.1 69.0 61.5 54.5 36.7 57.3
1903 35.9 38.5 52.5 55.6 67.5 66.2 79.6 71.5 72.8 60.9 47.0 36.6 57.0
1904 29.0 31.3 41.9 52.6 69.5 71.9 79.2 76.3 70.7 58.9 45.5 32.9 55.0
1905 32.5 31.1 45.2 55.4 66.4 73.7 81.0 75.6 69.1 61.5 49.7 42.6 57.0
1906 43.2 37.8 39.7 54.9 67.1 75.3 76.6 79.4 73.4 59.2 48.1 36.7 57.6
1907 34.6 30.3 45.3 51.4 60.2 73.7 80.7 77.6 71.6 58.2 49.1 43.9 56.4
1908 39.6 34.6 46.6 55.7 67.2 79.6 82.8 76.1 73.8 63.1 50.9 41.0 59.2
1909 38.1 40.6 43.8 56.1 63.4 77.7 80.2 76.9 69.9 60.4 53.6 36.4 58.1
1910 39.1 37.7 49.7 59.5 64.7 72.8 83.2 75.9 70.3 64.6 46.6 34.8 58.2
1911 39.6 34.4 43.1 54.2 72.1 73.2 86.0 76.3 69.9 59.3 49.5 45.7 58.6
1912 28.7 35.2 44.5 55.8 66.7 77.9 82.0 76.8 71.4 65.9 53.0 45.2 58.6
1913 47.9 36.3 51.9 54.6 62.8 77.3 83.0 79.2 69.9 61.8 53.7 44.9 60.3
1914 36.5 31.9 43.5 53.8 69.6 76.3 76.1 77.7 73.8 65.5 50.7 37.1 57.7
1915 39.5 40.5 44.3 59.4 65.1 71.3 77.2 76.3 74.4 63.2 52.3 40.3 58.7
1916 41.7 33.0 37.6 52.3 66.8 69.9 80.3 79.8 74.0 64.3 50.3 38.3 57.4
1917 37.6 33.8 44.5 50.1 57.7 74.4 81.0 80.9 68.1 59.6 47.0 31.5 55.5
1918 27.8 36.7 45.6 56.0 73.4 71.9 79.1 78.2 68.8 64.5 51.5 41.1 57.9
1919 40.9 39.8 48.4 54.1 67.5 76.0 81.9 76.4 72.0 62.8 49.9 36.1 58.8
1920 29.5 34.6 48.0 52.1 61.8 74.1 81.4 78.8 72.9 68.5 48.4 41.7 57.7
1921 40.0 39.6 55.8 59.5 66.1 77.1 80.3 78.0 76.9 63.8 47.7 38.8 60.3
1922 34.1 39.8 47.8 57.7 70.9 76.5 79.6 77.4 73.2 63.9 50.1 37.3 59.0
1923 34.4 30.2 42.5 57.9 66.5 79.0 77.7 78.2 71.6 63.5 51.5 46.6 58.3
1924 40.5 33.4 43.3 54.9 63.6 75.0 82.9 79.5 70.0 63.3 52.1 38.8 58.1
1925 34.9 45.3 51.5 58.3 66.5 80.7 80.5 80.0 72.1 56.7 51.3 39.5 59.8
1926 38.3 35.2 41.5 53.4 64.4 73.0 78.4 77.6 70.0 62.3 52.3 36.2 56.9
1927 38.0 39.3 49.5 57.9 62.5 73.5 80.2 75.1 73.4 66.5 57.5 43.9 59.8
1928 39.9 37.8 44.7 55.7 62.8 72.6 81.2 81.0 69.9 65.9 52.2 44.8 59.0
1929 36.9 38.3 49.8 54.5 71.9 77.7 82.2 78.5 73.8 61.9 51.2 39.1 59.7
1930 39.3 43.1 45.9 56.9 68.3 81.9 80.7 78.4 78.5 60.5 51.9 39.5 60.4
1931 38.0 38.1 44.8 58.8 70.1 75.4 81.3 79.6 75.1 66.9 56.8 44.2 60.8
1932 45.2 37.9 43.3 55.7 69.9 75.7 82.1 82.5 73.3 64.2 51.2 45.7 60.6
1933 45.0 41.9 41.6 53.3 70.8 79.5 79.1 79.5 73.5 60.9 46.7 34.9 58.9
1934 37.2 27.1 44.0 56.4 70.2 75.7 81.6 75.1 70.4 56.2 52.8 35.9 56.9
1935 31.6 36.2 47.0 51.8 64.0 73.3 79.8 78.7 69.3 62.6 51.6 33.3 56.6
1936 35.3 30.1 49.1 52.7 71.1 74.1 80.0 78.0 70.0 62.8 47.5 42.9 57.8
1937 45.3 39.9 41.7 52.2 68.1 74.2 81.7 82.8 70.6 60.3 51.2 37.4 58.8
1938 35.2 38.0 47.3 57.2 63.7 76.1 79.3 82.0 70.3 63.4 54.3 40.0 58.9
1939 35.0 40.6 40.3 50.4 64.8 73.1 81.0 81.5 73.4 63.1 48.5 40.5 57.7
1940 29.6 36.0 39.5 50.6 63.7 73.5 79.9 76.6 71.3 58.7 49.5 41.9 55.9
1941 31.6 36.4 40.5 60.7 69.2 77.2 79.1 79.9 76.2 64.7 56.7 42.6 59.6
1942 36.4 34.3 47.3 58.5 69.5 75.4 78.8 78.4 72.2 63.5 51.0 35.4 58.4
1943 31.6 38.7 43.5 51.5 65.7 81.4 82.7 78.9 70.6 60.8 50.1 37.9 57.8
1944 37.1 37.7 41.5 51.8 72.9 75.8 82.5 84.3 72.7 62.1 50.2 38.2 58.9
1945 31.4 37.3 55.0 61.1 62.9 75.1 79.7 79.4 75.8 61.9 52.7 34.8 58.9
1946 36.2 36.6 57.0 53.6 67.3 77.1 79.7 74.9 74.0 68.0 55.2 43.2 60.2
1947 40.9 37.8 45.0 55.7 65.9 74.4 82.3 81.8 73.4 71.5 47.7 37.9 59.5
1948 30.3 34.8 47.1 56.5 62.1 71.8 83.9 82.3 75.2 62.3 56.1 42.6 58.8
1949 41.7 42.1 47.2 59.2 70.0 81.8 85.2 83.3 71.1 66.5 51.0 44.2 61.9
1950 44.7 35.4 42.5 54.9 64.2 79.4 82.5 78.9 69.4 64.4 55.5 42.0 59.5
1951 41.9 43.0 45.3 59.2 68.4 73.9 82.5 78.8 74.1 61.7 50.4 42.5 60.1
1952 40.3 38.9 43.1 58.2 65.1 79.8 86.8 80.3 75.0 61.9 51.2 41.4 60.2
1953 41.4 42.4 45.8 55.7 66.7 80.5 82.0 80.8 75.0 64.1 55.8 48.1 61.5
1954 33.4 43.9 46.7 59.9 63.3 74.2 80.4 78.4 70.4 66.4 51.3 41.2 59.1
1955 34.7 39.1 44.8 56.2 73.2 75.1 86.4 82.5 73.1 62.2 47.4 33.1 59.0
1956 35.7 38.8 39.6 53.2 65.5 78.1 79.7 80.3 68.1 62.3 53.9 43.2 58.2
1957 31.6 42.0 45.8 58.0 69.0 81.0 82.9 77.5 75.9 62.4 54.1 46.7 60.6
1958 37.2 31.9 43.7 56.3 64.5 71.6 79.9 80.9 72.9 59.9 54.0 33.4 57.2
1959 36.6 35.4 44.6 56.9 72.7 72.8 83.3 81.8 76.5 62.2 52.0 42.4 59.8
1960 37.1 42.1 39.6 56.3 67.4 78.1 81.9 80.1 70.5 61.8 55.4 37.1 58.9
1961 32.2 39.3 44.0 52.2 64.4 78.5 79.9 80.6 76.8 65.0 50.6 38.5 58.5
1962 36.7 34.6 45.3 59.0 65.7 77.5 78.4 77.6 71.0 61.4 48.2 37.4 57.7
1963 36.5 34.4 46.2 57.8 69.3 79.2 83.6 79.2 68.8 69.9 54.6 31.4 59.2
1964 38.6 36.1 45.7 53.6 70.4 76.5 79.5 74.5 70.0 61.0 51.4 38.9 58.0
1965 32.7 35.5 42.1 51.9 69.6 77.2 79.7 79.4 69.8 61.1 48.9 42.4 57.5
1966 35.0 37.8 47.0 52.4 65.2 78.3 83.9 78.9 70.8 62.7 53.3 40.7 58.8
1967 41.4 33.9 38.8 53.0 59.2 76.3 79.5 77.5 71.0 61.4 46.0 41.0 56.6
1968 32.9 33.2 46.0 56.8 62.9 71.3 83.9 78.0 70.7 64.5 49.0 37.0 57.2
1969 35.2 33.9 41.3 59.4 66.6 77.3 77.2 83.0 70.9 61.5 50.5 38.8 58.0
1970 29.4 40.5 43.8 56.9 68.4 76.0 83.0 82.5 73.9 61.8 50.2 35.5 58.5
1971 30.9 36.8 43.4 53.6 63.7 79.2 82.4 82.3 75.4 67.2 50.0 43.6 59.0
1972 40.9 37.4 42.5 52.3 65.8 72.8 82.0 80.0 73.7 59.0 48.2 38.9 57.8
1973 39.1 37.2 50.2 57.8 64.3 78.5 82.3 82.7 72.3 62.9 52.0 46.7 60.5
1974 38.8 36.7 47.1 60.0 61.7 73.2 80.7 79.5 70.8 59.1 52.1 43.4 58.6
1975 41.4 38.5 43.8 53.0 70.9 74.9 84.5 80.4 71.2 64.8 59.4 42.3 60.4
1976 34.1 46.1 49.5 65.0 69.4 82.8 80.8 80.2 73.8 59.5 48.7 37.2 60.6
1977 29.8 36.6 52.5 61.2 73.0 75.8 84.1 82.3 71.1 62.1 53.6 40.7 60.2
1978 35.6 34.0 42.7 55.8 66.5 77.5 80.6 78.2 70.0 60.5 50.0 42.0 57.8
1979 39.1 30.4 49.9 55.6 68.5 77.3 82.9 78.6 72.8 60.0 55.9 44.2 59.6
1980 35.6 35.0 44.5 56.2 67.6 75.0 84.7 81.9 75.8 59.6 48.9 37.7 58.5
1981 28.5 44.1 46.5 60.7 69.5 79.0 82.6 80.3 71.5 58.3 50.1 37.9 59.1
1982 30.5 37.3 46.4 58.1 64.7 70.3 83.4 77.9 71.2 62.3 55.1 46.5 58.6
1983 37.6 39.8 47.2 55.4 65.5 79.8 87.2 81.7 79.5 62.5 53.2 39.6 60.8
1984 32.4 44.1 37.8 52.3 66.2 79.6 83.5 82.3 71.4 60.2 52.1 47.1 59.1
1985 31.2 40.0 48.9 57.6 68.7 72.4 81.9 77.2 73.2 63.2 51.8 38.0 58.7
1986 39.6 34.8 50.1 54.6 66.8 75.4 78.5 78.3 71.4 61.9 50.6 41.7 58.6
1987 35.6 37.2 45.2 50.8 66.1 73.3 79.2 78.2 72.6 62.4 51.6 42.4 57.9
1988 35.1 39.6 47.5 52.9 65.3 77.8 82.6 83.6 73.3 58.3 54.6 40.5 59.3
1989 42.6 37.7 45.2 53.6 67.4 75.3 81.1 79.2 72.3 63.7 49.8 29.3 58.1
1990 43.3 43.2 48.8 55.1 62.2 74.8 81.0 80.2 72.3 66.7 56.9 48.8 61.1
1991 36.6 44.2 48.8 60.4 73.3 79.2 82.6 81.9 71.6 64.2 51.1 43.4 61.4
1992 38.2 40.0 42.6 54.1 63.5 76.7 77.4 78.0 71.7 60.2 49.0 41.3 57.7
1993 39.4 35.1 43.2 55.3 68.6 79.8 83.6 81.3 72.2 60.1 54.0 40.8 59.4
1994 31.0 34.1 44.9 60.5 67.4 81.9 86.1 81.0 71.4 63.8 57.3 45.6 60.4
1995 41.0 36.1 45.1 53.8 65.3 77.0 84.6 81.5 71.1 66.4 48.4 37.7 59.0
1996 37.6 37.5 44.1 55.5 65.8 75.9 79.4 77.8 70.2 60.6 46.7 45.5 58.1
1997 36.7 43.0 43.7 53.7 64.2 76.7 82.5 78.8 71.9 60.5 47.4 41.7 58.4
1998 39.7 41.0 48.7 56.7 68.7 72.0 82.6 80.2 74.4 61.6 50.8 46.3 60.2
1999 37.5 40.8 47.2 57.3 65.6 79.9 84.2 78.9 74.2 61.4 55.6 43.9 60.5
2000 35.7 41.4 51.1 54.4 65.9 75.4 77.1 77.1 71.6 61.7 49.2 35.9 58.0
2001 36.2 39.2 40.6 56.7 68.0 79.7 77.9 81.1 73.3 65.0 56.1 46.4 60.0
2002 42.4 44.6 47.8 58.6 66.7 75.0 84.0 83.2 76.1 64.3