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Average monthly and annual air temperatures in Hamilton Airport

(according to online data and literature sources)
year
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
jan feb mar apr may jun jul aug sep oct nov dec year
-6.0 -7.3 -2.7 7.7 10.0 16.9 21.9 17.1 14.0 10.5 4.0 -3.7 6.9
-7.9 -3.1 -3.1 5.4 8.6 18.4 20.9 21.7 16.3 10.1 3.8 -5.3 7.2
-8.3 -9.7 0.3 3.3 10.2 17.0 25.8 21.0 14.4 6.1 2.5 -5.4 6.4
-1.8 -6.5 -5.5 3.3 11.0 15.6 19.6 18.6 17.0 6.5 0.5 -1.7 6.4
-5.1 -8.1 -3.8 7.7 13.8 20.9 22.1 21.5 17.3 11.2 3.4 -2.9 8.2
-5.6 -6.0 2.0 7.8 12.7 17.6 20.6 21.4 12.9 9.9 -0.7 -6.9 7.1
-4.9 -5.1 -4.4 6.0 12.7 19.4 22.9 22.6 17.4 9.1 1.9 -6.6 7.6
-6.8 -5.9 -1.2 4.8 12.2 18.3 21.6 21.0 15.2 8.7 -1.0 -0.2 7.2
-2.2 -5.3 -0.6 0.2 10.6 16.6 19.0 18.2 16.7 7.8 1.2 -4.5 6.5
-10.4 -12.9 -5.0 2.2 10.4 16.0 18.6 18.0 12.4 6.0 -1.2 -3.6 4.2
-1.4 -3.5 -2.7 4.9 10.6 18.9 21.3 22.6 15.0 7.2 3.9 -6.5 7.5
-7.0 -0.9 -2.5 6.4 14.3 19.1 23.2 22.7 17.6 11.6 4.1 2.5 9.3
-3.4 -1.9 4.4 10.4 13.4 18.8 23.8 22.0 17.5 10.9 4.1 -3.9 9.7
-5.6 -6.6 -2.0 5.4 15.0 19.2 22.2 20.3 14.6 14.0 2.2 -2.5 8.0
0.4 -1.9 -0.7 6.7 17.3 20.2 22.2 20.7 17.0 8.4 -1.1 -5.8 8.6
-8.5 -7.0 -1.1 4.5 15.5 15.3 22.0 21.3 21.2 11.1 3.5 1.4 8.3
-4.3 -0.1 0.7 5.1 8.8 16.6 19.0 19.8 16.4 11.5 2.7 -4.1 7.7
-7.8 -5.7 -4.8 4.7 10.5 17.0 20.5 18.4 12.6 7.4 4.2 -2.0 6.3
-9.0 -4.2 -0.4 5.1 11.2 18.5 18.5 20.1 18.2 10.4 2.5 -3.0 7.3
-6.8 -10.5 -7.0 4.1 10.6 16.7 20.3 17.3 13.6 8.4 3.6 -2.4 5.7
-6.4 -6.0 -0.9 6.9 12.0 16.8 19.4 19.2 15.5 9.9 2.1 -5.8 6.9
-6.8 -4.6 -4.8 3.5 13.0 16.3 21.9 17.8 12.5 5.8 0.4 -4.0 5.9
-10.9 -7.0 -4.9 3.4 9.8 17.2 18.6 18.3 12.9 5.4 2.6 -3.1 5.2
-4.1 -9.7 -0.5 5.7 11.3 15.1 19.3 18.0 14.9 5.1 3.0 0.2 6.5
-2.5 -3.2 -3.5 5.4 9.1 18.3 19.5 17.6 13.7 8.7 2.5 -6.4 6.6
-5.4 -3.3 -2.8 6.1 10.3 17.6 17.4 18.7 16.5 8.2 2.1 -0.6 7.1
-8.3 -4.7 -3.9 4.2 9.7 17.9 19.2 18.8 14.6 8.0 0.5 -5.8 5.9
-11.7 -8.9 -2.8 3.8 9.8 18.5 19.6 18.6 13.7 9.2 2.0 -5.9 5.5
-3.8 -7.8 1.8 6.0 11.0 18.3 20.4 18.0 16.7 9.6 -0.1 -2.0 7.3
-8.2 -10.8 -5.4 6.0 12.7 19.4 18.5 18.7 16.0 5.5 2.1 -2.7 6.0
-6.9 -6.5 -5.9 8.2 15.3 17.9 20.7 19.4 13.7 6.5 3.9 -3.7 6.9
-6.8 -4.9 -0.6 5.8 10.9 15.4 22.0 17.6 17.9 11.3 3.7 -1.3 7.6
-3.1 -3.7 4.0 7.4 14.0 19.8 22.9 22.2 18.5 10.9 2.7 -2.8 9.4
-5.2 -6.8 -1.8 7.7 14.3 20.5 22.2 22.2 14.7 11.7 5.3 -2.2 8.6
-2.9 -6.2 -3.9 8.0 13.4 19.7 21.9 21.8 18.9 14.7 4.5 -1.2 9.1
-3.9 -8.4 -0.9 7.8 12.3 19.4 22.3 19.6 15.7 10.9 2.1 -2.7 7.9
-5.0 -5.9 3.0 7.4 12.6 16.7 22.0 19.5 16.4 9.9 6.9 -3.2 8.4
-4.8 -3.2 4.7 7.7 14.4 15.7 20.1 17.0 15.5 10.9 2.2 -4.9 7.9
-8.9 -10.1 -1.1 3.9 14.0 17.3 19.5 18.0 14.7 7.8 1.6 -6.1 5.9
-8.7 -10.2 -0.7 6.3 13.1 18.4 20.4 18.8 15.6 9.0 4.0 -4.4 6.8
-3.5 -7.0 -1.5 5.5 11.8 17.8 20.2 20.5 16.8 8.5 3.9 -5.0 7.3
-5.7 -7.2 2.0 4.2 9.7 17.7 21.9 19.7 16.7 7.0 3.4 -0.6 7.4
-3.9 -6.6 1.0 6.1 13.6 20.3 22.7 19.8 18.3 11.2 4.0 -0.9 8.8
-2.3 -2.2 -0.5 5.7 12.9 19.5 21.3 20.8 15.4 7.8 5.4 -3.7 8.3
-3.9 -6.3 4.5 8.1 11.4 18.2 22.6 19.5 15.5 11.7 0.7 -5.6 8.0
-3.2 -3.5 -0.7 6.2 17.2 19.6 22.8 21.0 16.2 10.0 2.2 1.1 9.1
-10.2 -7.7 -3.3 6.1 13.0 17.9 21.3 17.3 17.3 11.0 5.2 0.4 7.4
-0.3 -6.2 0.5 8.2 13.4 18.9 20.3 19.5 14.7 10.7 5.8 0.7 8.9
-3.4 -8.7 -0.3 5.5 15.2 18.8 21.7 19.4 15.9 11.7 3.4 -4.0 7.9
-5.0 -3.5 -1.1 10.2 11.3 16.5 20.3 19.4 17.6 11.1 5.0 -2.3 8.3
-1.4 -6.9 -4.0 7.3 12.9 16.0 24.5 21.4 16.8 9.8 3.0 -3.2 8.0
-5.7 -8.3 0.7 5.3 9.7 16.7 21.8 20.6 14.9 6.9 1.6 -6.9 6.4
-10.8 -6.4 0.9 5.9 14.3 16.9 21.5 22.3 13.6 10.5 5.2 0.2 7.8
-1.6 -1.9 1.0 5.6 12.6 22.4 23.3 19.4 18.0 11.8 3.3 -5.5 9.0
-10.4 -6.9 1.0 4.4 12.9 19.5 20.0 20.8 17.0 13.1 2.7 -0.2 7.8
-2.3 -2.0 4.0 9.2 14.5 20.1 26.1 19.2 19.9 10.1 2.5 -2.5 9.9
-5.2 -2.9 1.3 7.6 14.9 19.5 21.7 20.4 17.9 10.7 4.9 -2.2 9.1
-5.3 -7.2 -2.1 5.9 10.9 20.5 21.2 17.9 15.8 9.6 4.3 2.7 7.9
-4.8 -5.7 0.1 7.1 10.8 18.3 20.6 20.2 14.2 10.7 3.9 -4.4 7.6
-6.3 -4.8 2.0 7.7 11.6 21.0 21.2 19.3 17.3 6.3 3.4 -2.7 8.0
-3.8 -5.5 -3.1 3.9 12.3 16.4 20.9 20.7 15.5 9.1 2.9 -4.9 7.0
-5.5 -2.0 1.9 6.6 11.3 17.5 20.9 18.8 17.6 12.6 5.5 -1.7 8.6
-3.6 -4.0 -0.7 6.2 12.9 16.6 22.0 21.9 15.1 11.3 5.4 0.4 8.6
-5.4 -5.1 3.6 8.8 12.7 18.8 21.8 19.4 18.0 9.7 3.4 -3.5 8.5
-8.3 -3.8 -1.8 5.4 12.7 18.5 20.4 20.1 16.0 8.1 3.5 -2.7 7.3
-5.0 -2.8 -0.4 5.7 11.9 18.3 21.9 19.9 18.2 11.3 6.5 0.3 8.8
0.1 -3.0 -3.3 4.0 12.4 18.7 19.3 20.2 15.6 9.3 0.6 -3.1 7.6
-1.9 -5.6 -1.9 5.9 13.4 19.6 21.9 19.9 17.0 7.3 -0.8 -6.2 7.4
-4.3 -12.0 -3.9 4.3 13.2 18.9 21.4 18.2 16.5 8.9 5.5 -5.1 6.8
-7.5 -5.4 0.5 4.9 9.8 16.5 22.8 20.3 14.5 9.0 2.5 -4.9 6.9
-7.9 -10.9 0.0 2.3 13.7 17.4 22.5 20.5 16.4 8.2 0.4 -1.5 6.8
-4.4 -3.9 -3.0 5.1 13.0 18.2 21.5 21.9 14.8 7.9 3.0 -5.3 7.4
-6.6 -3.3 2.1 6.5 12.0 19.8 23.0 24.0 15.3 11.9 5.2 -0.9 9.1
-4.3 -3.8 -1.8 5.0 14.7 18.8 22.5 22.9 17.5 10.8 3.0 0.1 8.8
-7.8 -4.6 -3.3 5.1 11.7 17.6 22.2 20.5 16.5 9.2 3.5 -0.7 7.5
-3.9 -4.4 -3.0 9.5 14.9 20.4 23.0 20.5 17.9 11.0 6.0 0.3 9.4
-4.4 -6.1 1.7 9.6 14.2 18.4 20.2 21.2 16.8 10.7 4.0 -4.0 8.5
-6.6 -3.5 -0.9 4.2 12.1 21.4 22.4 21.3 15.7 9.3 3.3 -3.2 8.0
-1.3 -4.0 -1.5 4.9 15.4 19.9 22.9 22.9 17.0 10.6 5.1 -3.9 9.0
-9.4 -3.5 6.0 9.2 10.1 18.1 21.0 21.6 17.3 10.1 4.9 -4.2 8.4
-3.3 -4.7 6.2 7.7 12.4 18.8 22.1 19.5 17.0 13.5 6.1 -0.9 9.5
-2.4 -5.3 -0.6 5.8 11.5 18.0 21.9 23.5 18.3 14.3 2.9 -2.5 8.8
-8.3 -5.6 -0.4 7.8 12.1 18.5 22.4 21.9 18.7 9.5 6.8 -0.2 8.6
-1.1 -2.4 0.4 7.5 14.3 21.5 23.3 22.9 14.8 12.9 3.3 0.2 9.8
0.8 -4.7 -2.4 4.5 12.2 19.0 20.7 20.3 15.6 12.5 3.6 -2.3 8.3
-2.5 -2.6 1.3 6.9 14.6 19.4 22.3 19.9 16.6 11.2 1.3 -2.2 8.9
-2.7 -2.4 0.6 9.5 12.3 20.1 24.4 21.4 18.1 8.2 5.1 0.3 9.6
-1.8 -1.3 1.1 5.9 13.2 19.4 21.7 21.8 17.4 12.2 7.1 1.2 9.8
-5.8 0.1 0.2 7.7 12.9 20.3 22.1 20.3 16.7 12.4 4.7 -1.9 9.1
-3.9 -3.8 0.5 9.9 16.1 20.3 25.3 23.8 17.3 12.1 3.0 -4.0 9.7
-4.1 -2.8 -1.0 5.2 11.2 19.3 20.7 20.2 13.1 10.5 3.8 1.5 8.1
-7.4 -1.2 2.6 8.8 13.3 21.2 22.8 21.9 15.4 11.3 6.7 2.1 9.8
-3.4 -6.4 2.6 9.3 11.7 17.3 22.8 21.8 15.9 10.1 4.2 -7.6 8.2
-7.8 -7.0 -1.2 6.4 13.5 18.9 21.8 22.8 17.6 9.0 0.6 -2.0 7.7
-4.3 -4.6 -6.8 7.3 12.6 17.2 19.6 20.1 17.9 9.5 5.0 -5.4 7.3
-7.8 -3.4 0.3 3.9 10.9 16.9 20.9 20.8 18.3 11.7 3.9 -3.3 7.8
-7.7 -7.4 -0.2 6.3 15.9 17.3 19.3 19.9 14.3 10.2 3.0 -4.9 7.2
-8.9 -9.6 0.5 7.0 11.6 18.8 21.0 19.1 13.9 13.8 5.8 -6.9 7.2
-3.4 -5.8 -0.2 6.1 14.3 17.8 21.3 17.3 15.4 8.4 5.0 -2.9 7.8
-7.1 -4.8 -3.0 3.7 14.2 17.0 18.5 19.0 16.5 8.2 3.4 0.0 7.1
-7.7 -4.5 0.5 4.8 10.2 18.8 21.9 20.1 14.5 9.1 4.1 -3.0 7.4
-2.5 -7.9 -1.3 6.1 8.6 20.1 19.5 19.0 14.8 9.2 0.9 -1.7 7.1
-7.1 -7.6 2.1 8.3 10.3 17.1 20.3 20.1 17.8 11.0 3.2 -4.0 7.6
-5.4 -4.6 -1.5 7.5 12.5 16.9 21.2 21.5 16.6 9.5 3.4 -5.4 7.7
-9.3 -6.6 -1.8 7.7 14.1 18.8 21.7 21.5 17.1 11.8 4.3 -3.7 8.0
-7.8 -4.7 -2.6 5.3 12.5 19.1 20.1 19.7 17.8 13.3 3.1 -0.3 8.0
-5.2 -7.0 -3.3 3.8 14.1 16.1 20.7 19.4 16.3 6.9 1.4 -2.0 6.8
-3.9 -7.2 3.4 6.4 11.1 19.3 21.2 22.2 16.3 11.3 3.8 -3.8 8.3
-4.8 -6.7 -0.6 7.4 10.6 17.7 20.6 20.5 14.2 7.9 3.7 -1.4 7.4
-2.7 -3.6 -2.4 3.4 16.2 19.0 21.1 19.8 13.4 10.5 7.1 -3.7 8.2
-9.0 -1.9 1.3 8.0 11.0 19.7 19.5 18.7 14.6 6.6 -0.3 -7.1 6.8
-11.7 -5.8 2.4 7.7 15.2 17.3 21.2 19.0 16.1 8.8 4.3 -3.7 7.6
-8.0 -10.3 -3.9 4.8 12.9 17.7 20.0 20.3 15.6 8.5 3.2 -2.4 6.5
-7.6 -10.4 1.8 5.7 11.8 17.6 20.8 18.9 15.6 8.6 4.1 -0.6 7.2
-5.0 -7.4 -2.0 6.4 14.0 15.8 21.0 21.7 15.7 7.0 2.1 -5.7 7.0
-8.9 -2.1 0.4 7.4 12.3 18.1 20.7 19.9 14.9 7.1 3.9 -2.5 7.6
-9.2 -6.8 -1.6 4.7 14.7 15.7 21.1 17.7 15.1 10.2 4.5 1.5 7.3
-3.4 -2.4 0.6 5.8 10.4 18.7 22.2 21.2 16.9 9.7 3.9 -6.0 8.1
-9.0 -1.5 -4.6 6.7 10.2 18.6 19.7 20.9 14.2 10.8 3.3 -0.1 7.4
-8.0 -5.6 0.8 7.9 13.8 16.1 19.9 19.7 17.1 10.1 3.9 -4.9 7.6
-5.3 -5.8 0.6 7.6 14.3 16.8 20.9 18.6 15.3 9.4 1.5 -1.5 7.7
-4.8 -5.0 1.9 7.9 14.5 19.4 22.4 19.1 15.7 7.1 4.1 -0.6 8.5
-5.0 -6.2 -0.4 5.9 14.0 18.2 23.0 21.1 15.4 7.1 4.7 -2.7 7.9
-2.3 -6.5 -1.2 4.9 12.5 17.8 21.3 19.4 15.6 9.7 2.2 -9.6 7.0
-0.9 -3.2 1.1 8.4 11.2 18.1 20.5 19.9 15.1 9.0 4.4 -0.9 8.6
-6.0 -2.2 1.6 8.2 16.1 19.6 20.6 20.2 15.0 10.2 2.4 -1.8 8.7
-3.9 -3.7 -1.2 4.8 12.4 15.9 17.8 17.4 14.7 7.4 2.8 -2.0 6.9
-3.7 -8.0 -2.7 6.2 12.1 17.1 21.5 21.0 13.5 7.6 3.0 -2.1 7.1
-11.7 -8.7 -1.2 6.9 11.4 18.8 20.9 18.5 15.3 9.9 5.5 -0.4 7.1
-2.7 -7.3 1.9 3.9 12.7 19.8 21.6 21.9 14.4 10.8 0.8 -5.0 7.7
-7.0 -6.1 -3.5 4.4 11.6 18.3 19.4 20.4 15.9 9.2 0.6 -0.4 6.9
-6.1 -2.5 -0.8 5.5 9.3 19.0 19.9 18.5 15.2 9.4 1.8 -1.3 7.3
-2.0 -0.6 1.7 8.3 16.3 18.5 20.3 21.1 17.7 10.4 4.6 0.6 9.7
-7.0 -1.9 -0.3 7.4 14.8 19.6 23.2 19.1 16.9 8.9 5.4 -1.0 8.8
-6.1 -3.5 4.0 5.9 13.7 17.9 19.5 19.3 15.2 10.6 3.2 -8.2 7.6
-4.7 -3.3 -1.3 7.5 13.7 18.8 20.0 21.7 15.6 10.1 6.9 0.7 8.8
-1.1 -1.8 0.6 7.0 10.2 18.8 22.8 20.9 19.0 8.5 3.0 -2.7 8.8
-8.8 -7.0 -1.1 5.1 11.0 17.6 20.5 21.1 16.0 8.5 5.0 -0.4 7.3
-9.7 -4.3 1.4 7.0 13.2 17.0 20.1 18.4 17.6 9.8 4.8 -2.5 7.7
-6.7 -4.9 -2.9 6.7 11.1 21.6 22.6 21.2 17.8 10.7 4.8 -4.2 8.2
0.1 -3.5 0.9 7.5 13.7 18.6 22.3 20.0 14.6 8.2 4.9 1.6 9.1
-3.5 -9.2 -0.2 5.5 14.3 19.8 20.3 21.1 17.4 13.3 2.4 -2.8 8.2
-2.4 -5.4 -2.0 8.4 11.1 18.7 20.7 18.8 16.3 8.4 2.6 -3.1 7.7
-9.5 -4.0 0.6 6.9 12.2 17.0 18.1 19.7 16.2 8.0 5.6 -2.8 7.3
-5.5 -4.1 3.3 10.2 14.8 18.6 21.7 20.9 15.6 9.6 4.1 -4.4 8.7
-7.9 -5.6 -1.2 6.2 13.3 18.5 23.3 20.6 16.6 9.7 6.4 0.5 8.4
-2.4 -1.0 6.6 6.8 16.0 19.4 23.2 20.1 15.5 9.8 2.9 0.8 9.8
-3.1 -5.4 -0.8 5.5 14.5 18.0 21.3 19.6 15.2 10.5 1.6 -4.2 7.7
-8.7 -9.4 -5.0 5.4 13.3 19.1 18.8 18.9 15.6 10.2 1.1 -0.6 6.6
-8.1 -13.6 -2.7 6.6 15.6 17.0 20.3 19.2 18.3 9.4 6.3 3.6 7.7
-4.2 -2.6 2.7 4.2 13.8 18.5 22.3 22.6 18.2 11.1 6.1 -2.5 9.2
-2.2 -0.0 -0.8 8.6 11.8 18.6 20.5 18.7 17.3 12.6 2.8 -5.5 8.5
-6.4 -2.3 -0.9 2.9 15.9 18.3 22.0 21.7 17.9 8.8 0.9 -0.5 8.2
-6.6 -4.4 -1.5 5.7 11.5 17.7 22.1 19.9 17.0 10.0 0.4 -1.2 7.6
-1.6 -3.2 2.6 5.3 11.5 19.2 23.5 20.6 15.8 8.9 6.2 -0.5 9.0
999.9 -6.1 3.1 6.8 12.9 20.2 20.2 22.0 16.9 12.9 3.3 1.0 999.9
-7.7 -4.5 0.6 5.9 14.7 18.8 21.5 21.2 16.5 9.5 4.7 -0.9 8.4
-1.2 -1.4 0.7 7.9 13.0 17.9 21.0 18.9 17.0 11.4 3.4 2.4 9.3
-2.7 0.1 3.2 8.2 15.7 19.3 22.2 20.0 999.9 999.9 999.9 999.9 999.9
Location of the weather station Hamilton Airport (Ontario, Canada):
latitude 43.17 longitude -79.93 height above sea level 238 m.