Northern_Ireland Maximum Temperature (Degrees C) Areal series, starting from 1910 Allowances have been made for topographic, coastal and urban effects where relationships are found to exist. Seasons: Winter=Dec-Feb, Spring=Mar-May, Summer=June-Aug, Autumn=Sept-Nov. (Winter: Year refers to Jan/Feb). Monthly values are ranked and displayed to 1 dp and seasonal/annual values to 2 dp. Where values are equal, rankings are based in order of year descending. Data are provisional from January 2018 and Winter 2018. Last updated 04/06/2019. Year JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC WIN SPR SUM AUT ANN 1910 6.2 7.3 8.8 9.8 13.5 16.5 16.9 17.1 15.0 12.8 7.1 7.8 --- 10.70 16.81 11.66 11.58 1911 7.0 7.8 7.9 10.6 15.2 16.5 19.1 19.6 16.1 11.9 8.0 7.5 7.52 11.24 18.41 12.01 12.30 1912 6.2 7.0 9.2 12.2 14.3 15.6 16.4 14.5 13.8 11.4 8.7 8.6 6.89 11.88 15.52 11.32 11.51 1913 6.7 7.5 7.9 10.4 13.1 15.4 16.1 17.8 15.7 13.1 10.3 7.1 7.62 10.49 16.46 13.03 11.79 1914 6.5 8.7 8.4 13.0 13.7 17.2 17.7 18.6 15.9 13.1 9.3 5.6 7.38 11.68 17.85 12.77 12.32 1915 5.7 6.2 8.6 11.2 13.3 17.0 16.9 17.1 16.0 12.1 6.9 6.7 5.83 11.02 17.02 11.69 11.51 1916 9.4 6.2 5.8 10.9 13.0 14.4 17.5 19.0 15.7 12.7 9.0 5.3 7.46 9.90 16.99 12.47 11.60 1917 4.2 6.0 6.8 8.5 14.1 16.5 18.8 17.8 16.1 10.0 10.1 5.9 5.15 9.83 17.73 12.03 11.27 1918 6.1 8.7 9.4 10.2 15.1 16.6 17.6 17.8 12.9 11.2 9.2 8.8 6.83 11.57 17.34 11.09 11.98 1919 5.6 5.4 6.8 11.1 16.2 16.0 16.9 18.3 15.6 11.8 6.6 7.4 6.63 11.37 17.09 11.32 11.52 1920 7.4 8.8 9.0 9.8 14.0 16.4 16.3 16.0 15.6 13.3 10.4 6.6 7.84 10.94 16.25 13.11 11.98 1921 9.0 8.0 9.2 11.8 14.1 17.8 20.5 16.5 16.3 14.4 9.3 9.3 7.89 11.69 18.26 13.33 13.04 1922 6.9 7.9 8.2 8.7 15.6 15.8 15.4 15.2 14.2 11.4 9.1 7.3 8.02 10.83 15.45 11.55 11.32 1923 8.3 8.1 9.4 9.6 12.0 15.0 18.7 16.8 14.7 12.0 6.3 7.0 7.90 10.34 16.86 11.02 11.53 1924 7.3 6.9 7.5 10.0 13.6 15.9 16.9 16.3 14.5 12.2 10.0 8.9 7.06 10.39 16.37 12.21 11.68 1925 7.7 6.7 8.1 10.1 12.8 17.2 17.9 17.7 14.1 12.9 7.8 6.1 7.80 10.37 17.63 11.64 11.65 1926 7.5 8.4 8.9 12.4 13.0 16.4 19.0 18.7 16.6 11.1 8.3 6.7 7.32 11.42 18.06 12.01 12.29 1927 7.0 8.0 9.6 10.7 14.1 14.1 17.3 17.8 14.2 13.4 8.7 5.3 7.20 11.48 16.42 12.11 11.70 1928 7.8 8.2 7.7 10.5 14.1 14.9 17.5 17.1 15.3 12.1 9.7 6.8 7.05 10.76 16.51 12.35 11.80 1929 5.2 5.0 11.5 10.0 14.4 16.0 18.0 16.7 17.3 11.7 8.8 7.0 5.67 12.02 16.87 12.61 11.84 1930 6.3 4.7 8.0 10.8 14.2 17.7 16.6 16.6 15.4 11.9 8.3 6.9 6.07 11.01 16.94 11.88 11.49 1931 6.1 6.8 7.2 10.4 13.6 16.1 16.8 16.6 14.2 12.2 9.9 8.2 6.57 10.41 16.48 12.08 11.53 1932 9.1 7.2 8.7 9.7 13.2 17.7 17.7 17.8 14.5 11.3 8.9 8.0 8.20 10.55 17.76 11.55 12.01 1933 5.4 6.7 9.9 12.1 13.9 17.2 19.2 19.1 17.1 12.4 8.2 6.3 6.71 11.98 18.51 12.58 12.33 1934 7.8 7.8 7.8 9.7 13.9 17.5 20.5 16.8 15.8 11.8 8.7 9.4 7.27 10.48 18.27 12.12 12.32 1935 7.2 8.1 9.5 10.6 14.3 16.2 18.9 18.4 15.2 11.9 8.2 5.4 8.24 11.51 17.85 11.76 12.03 1936 5.1 6.0 9.1 9.9 14.0 17.1 16.9 18.7 16.1 12.7 8.2 7.9 5.48 11.00 17.56 12.34 11.81 1937 7.3 7.1 6.0 11.0 14.9 15.9 17.3 18.8 15.5 11.9 8.8 5.9 7.44 10.61 17.36 12.05 11.72 1938 7.7 7.9 11.9 11.8 13.4 15.8 16.8 17.8 16.2 12.5 10.2 6.8 7.17 12.38 16.82 12.96 12.43 1939 5.8 8.4 9.0 11.6 14.8 17.8 17.0 18.5 15.9 11.5 10.3 6.2 6.94 11.77 17.75 12.57 12.24 1940 4.0 6.3 8.7 11.2 15.4 19.6 16.9 18.3 15.4 11.7 9.1 6.9 5.46 11.80 18.24 12.08 11.97 1941 3.3 6.7 8.1 9.0 13.1 17.7 17.8 16.8 17.6 13.5 9.3 8.1 5.59 10.04 17.42 13.49 11.77 1942 6.4 5.5 8.5 12.3 14.3 17.0 17.2 17.6 15.0 12.1 8.5 9.2 6.71 11.68 17.28 11.85 12.00 1943 7.3 9.1 9.9 12.9 14.6 17.1 19.0 17.0 15.0 13.1 9.0 7.3 8.51 12.48 17.71 12.38 12.64 1944 8.6 7.0 9.1 13.3 14.3 15.8 17.9 19.1 14.8 11.4 8.4 6.9 7.68 12.20 17.62 11.55 12.24 1945 3.5 9.7 11.3 12.8 14.4 16.3 18.1 18.5 16.8 13.9 10.1 8.4 6.61 12.84 17.62 13.59 12.82 1946 6.3 7.7 9.2 12.5 14.5 15.7 17.5 16.3 15.3 11.8 9.7 6.3 7.48 12.06 16.51 12.27 11.92 1947 5.5 1.5 5.5 11.0 15.2 16.7 17.6 22.0 16.4 14.0 9.4 7.1 4.52 10.57 18.79 13.28 11.89 1948 6.1 7.3 11.9 12.0 14.7 15.3 17.4 16.9 15.5 12.6 10.8 7.8 6.82 12.91 16.56 12.97 12.39 1949 8.3 8.5 9.1 12.2 14.1 18.8 18.7 18.2 17.8 13.5 9.2 7.6 8.17 11.79 18.58 13.51 13.02 1950 7.5 7.2 10.9 9.9 15.1 18.3 17.8 17.2 14.5 11.7 7.6 3.6 7.43 11.97 17.77 11.25 11.80 1951 5.7 5.3 6.9 9.4 12.9 17.0 17.7 16.7 15.9 13.0 9.8 7.6 4.87 9.76 17.13 12.89 11.53 1952 4.8 6.7 9.3 12.5 15.6 16.1 18.3 17.6 13.5 11.5 7.3 6.0 6.40 12.47 17.33 10.78 11.62 1953 6.7 8.2 9.7 10.3 15.9 16.8 17.2 17.7 16.4 12.5 10.1 9.1 6.96 12.00 17.24 12.99 12.58 1954 6.1 5.7 8.3 11.5 13.7 15.3 15.6 16.3 14.3 13.1 8.7 8.5 7.01 11.18 15.76 12.07 11.47 1955 4.8 4.1 7.5 13.3 12.7 15.4 20.7 20.5 16.8 11.9 9.9 7.9 5.87 11.13 18.90 12.85 12.17 1956 5.5 4.8 9.6 11.2 14.8 15.7 17.5 15.7 15.6 12.2 9.2 8.2 6.09 11.85 16.30 12.31 11.67 1957 7.9 7.3 11.0 11.8 14.0 18.7 17.0 17.1 14.5 12.4 9.0 7.4 7.80 12.26 17.58 11.96 12.36 1958 6.3 7.3 5.9 10.8 13.7 15.6 18.1 17.1 16.8 12.9 9.8 6.8 6.99 10.14 16.96 13.17 11.79 1959 4.7 8.5 10.2 11.6 16.7 17.9 18.7 19.1 18.0 14.7 9.2 7.8 6.61 12.84 18.61 13.97 13.12 1960 7.0 6.4 8.6 12.6 16.5 18.7 17.3 17.3 15.5 12.5 9.2 5.7 7.07 12.57 17.75 12.40 12.28 1961 6.7 9.3 11.5 11.8 14.1 16.6 16.3 17.0 16.3 12.4 8.4 5.4 7.17 12.43 16.63 12.40 12.16 1962 7.0 7.6 6.6 11.6 13.6 16.2 16.9 16.5 14.3 13.1 8.4 6.7 6.64 10.58 16.51 11.94 11.56 1963 2.3 3.6 9.6 11.1 12.9 17.5 17.3 16.2 15.2 13.1 9.4 6.0 4.25 11.18 17.02 12.58 11.23 1964 7.4 7.0 7.7 11.6 15.4 15.8 17.4 17.4 16.2 11.8 10.0 6.7 6.77 11.56 16.85 12.63 12.03 1965 5.5 6.5 8.2 11.2 14.0 16.7 16.2 16.7 14.3 13.1 6.6 7.0 6.20 11.12 16.53 11.33 11.35 1966 5.5 6.7 9.8 8.9 14.1 17.1 17.3 17.0 16.3 12.0 7.7 7.6 6.40 10.99 17.14 12.01 11.71 1967 7.2 7.7 8.7 11.3 12.3 17.0 17.7 17.2 15.6 11.9 8.7 7.1 7.49 10.76 17.32 12.07 11.89 1968 7.3 5.1 9.1 11.2 12.3 17.8 17.5 18.8 15.8 14.2 8.8 6.4 6.52 10.85 18.03 12.94 12.04 1969 6.8 3.7 6.4 11.1 13.5 17.2 18.6 17.9 15.9 15.1 7.1 6.7 5.69 10.35 17.93 12.70 11.72 1970 6.2 5.5 7.4 9.8 15.0 19.1 16.4 18.5 15.8 12.6 9.1 7.2 6.15 10.73 17.98 12.47 11.91 1971 7.5 7.9 8.8 11.2 14.3 15.2 18.9 17.2 17.6 14.1 9.5 9.0 7.50 11.41 17.14 13.76 12.63 1972 5.9 6.9 8.8 11.5 12.7 14.1 18.2 16.5 15.4 13.3 8.3 8.5 7.30 11.00 16.27 12.34 11.69 1973 7.3 6.7 9.6 10.3 13.5 17.5 17.7 18.3 16.3 12.0 8.8 7.8 7.52 11.14 17.84 12.38 12.19 1974 8.3 7.8 8.5 13.0 13.4 16.4 16.6 17.5 13.8 10.5 8.4 9.4 7.98 11.64 16.85 10.91 12.00 1975 8.2 7.7 8.1 11.3 14.1 18.3 19.5 20.1 15.1 13.0 9.2 8.0 8.46 11.16 19.30 12.43 12.74 1976 7.7 7.4 8.1 11.8 13.6 18.6 19.2 20.8 15.4 11.9 8.4 4.3 7.70 11.17 19.58 11.92 12.29 1977 5.3 6.3 9.2 9.9 14.3 16.1 19.2 18.2 15.1 13.7 7.7 7.9 5.25 11.15 17.85 12.18 11.95 1978 5.7 5.6 8.7 9.8 15.4 15.8 16.8 16.8 15.8 13.9 10.5 6.3 6.42 11.35 16.47 13.40 11.80 1979 3.7 4.7 6.8 9.6 11.9 16.4 17.7 16.7 15.3 13.3 9.4 6.9 4.88 9.42 16.96 12.68 11.07 1980 5.4 7.8 7.4 12.1 15.3 15.6 16.5 17.8 16.0 11.4 8.9 8.2 6.65 11.61 16.68 12.10 11.88 1981 7.9 6.6 9.9 11.9 13.9 15.5 16.7 18.5 16.2 10.0 9.9 4.2 7.58 11.91 16.93 11.98 11.79 1982 6.3 7.8 9.2 12.3 14.3 17.4 19.2 17.4 15.5 12.5 8.7 7.1 6.05 11.94 18.00 12.24 12.33 1983 8.2 5.5 9.2 9.6 12.7 16.4 21.4 20.2 15.4 12.7 10.1 8.9 6.95 10.53 19.39 12.75 12.59 1984 5.4 7.3 7.6 12.4 14.5 17.1 19.2 19.6 15.2 12.9 8.8 7.9 7.19 11.50 18.66 12.30 12.34 1985 3.9 6.2 7.7 11.4 13.5 15.5 17.4 15.8 16.3 13.1 7.1 8.0 5.98 10.87 16.23 12.16 11.35 1986 5.9 3.1 8.2 8.8 12.8 17.2 16.8 15.1 14.9 12.8 9.7 7.7 5.75 9.95 16.38 12.45 11.13 1987 5.2 7.2 7.5 12.4 13.5 14.6 18.1 17.5 15.3 11.1 8.9 8.1 6.65 11.11 16.77 11.75 11.63 1988 6.7 6.9 8.7 11.7 14.7 17.9 16.3 16.7 14.9 12.4 8.9 9.5 7.24 11.75 16.97 12.06 12.14 1989 9.2 8.1 9.4 9.6 15.5 17.1 21.2 17.6 15.6 13.3 8.6 6.3 8.99 11.52 18.67 12.50 12.67 1990 8.2 8.2 10.4 11.3 16.0 15.9 19.0 18.4 15.2 12.9 8.9 6.9 7.55 12.60 17.80 12.33 12.65 1991 5.8 5.7 9.9 10.6 14.4 14.9 19.3 18.9 17.5 11.8 8.9 8.2 6.16 11.66 17.74 12.69 12.20 1992 7.1 8.3 9.5 10.5 15.7 18.5 18.0 16.6 14.4 10.2 9.3 6.5 7.85 11.92 17.67 11.28 12.05 1993 8.0 8.3 9.0 11.9 13.9 16.7 16.5 16.6 15.1 10.5 8.0 6.7 7.59 11.59 16.58 11.23 11.79 1994 7.1 5.3 9.1 10.7 13.4 15.3 18.3 17.1 15.0 12.6 11.7 8.4 6.42 11.07 16.95 13.09 12.05 1995 6.9 8.0 7.9 12.1 13.9 17.9 20.0 22.1 16.3 14.6 10.3 5.4 7.78 11.29 20.00 13.74 12.97 1996 7.2 6.5 7.2 11.6 12.4 16.9 18.0 17.6 16.9 13.3 8.2 6.0 6.36 10.39 17.52 12.81 11.83 1997 6.3 8.7 10.7 12.4 14.9 15.9 19.0 20.1 16.1 13.1 10.7 8.6 6.95 12.64 18.35 13.28 13.05 1998 7.5 10.3 10.3 10.3 15.1 16.1 17.0 17.9 16.6 12.8 9.4 8.7 8.74 11.91 16.99 12.92 12.67 1999 7.1 7.9 10.0 12.2 15.2 15.9 19.8 17.9 16.8 13.0 9.9 6.9 7.90 12.49 17.88 13.25 12.75 2000 7.6 8.5 10.2 10.2 15.7 16.9 18.5 19.3 16.7 12.2 8.4 7.2 7.65 12.06 18.25 12.44 12.64 2001 5.8 7.4 7.8 10.6 16.4 16.1 18.2 18.4 16.0 14.4 10.6 7.3 6.80 11.63 17.57 13.70 12.46 2002 9.0 8.7 10.6 12.1 14.7 16.3 17.1 18.9 16.9 12.0 10.5 7.1 8.36 12.50 17.43 13.09 12.85 2003 7.2 7.3 11.5 13.5 14.0 17.7 19.2 20.1 16.7 12.0 10.4 8.1 7.18 13.00 19.03 13.02 13.18 2004 7.5 8.1 9.9 12.0 15.4 17.9 17.6 18.9 16.4 11.7 10.2 8.8 7.89 12.46 18.13 12.74 12.88 2005 8.6 7.3 10.5 11.7 14.0 17.9 18.7 18.3 16.9 14.0 9.5 8.1 8.29 12.06 18.30 13.50 13.00 2006 7.6 7.8 8.3 11.5 14.5 18.8 21.7 18.1 17.8 14.7 10.1 8.4 7.80 11.42 19.55 14.20 13.30 2007 9.0 8.5 10.0 15.2 15.3 17.4 17.9 17.7 16.1 14.6 10.8 8.7 8.60 13.45 17.67 13.84 13.45 2008 8.0 9.3 9.1 11.7 17.3 17.2 18.3 17.8 15.8 11.9 9.2 7.0 8.68 12.68 17.78 12.30 12.72 2009 6.5 7.5 10.2 12.7 14.6 18.7 18.4 18.1 16.4 13.9 9.8 5.4 7.00 12.52 18.39 13.35 12.71 2010 4.6 5.4 9.4 13.0 14.6 18.9 18.5 17.5 16.4 13.3 7.6 2.8 5.16 12.29 18.33 12.43 11.87 2011 6.0 9.2 10.3 15.5 14.1 16.0 17.9 17.2 16.2 13.5 11.7 7.7 5.90 13.30 17.07 13.83 12.97 2012 8.1 8.8 12.0 10.6 15.1 15.6 17.2 18.9 15.3 11.6 8.5 7.2 8.16 12.57 17.23 11.82 12.42 2013 6.8 7.0 5.6 10.5 13.5 17.5 21.8 18.7 16.2 13.9 8.8 8.7 7.02 9.84 19.37 13.01 12.46 2014 7.2 7.6 9.9 13.8 14.9 17.9 20.1 17.1 17.8 13.8 10.3 7.4 7.86 12.88 18.40 13.94 13.18 2015 6.7 7.1 9.5 12.8 12.8 16.7 17.0 17.6 15.5 13.7 11.1 10.0 7.05 11.69 17.12 13.40 12.56 2016 7.6 7.3 9.7 10.3 16.0 18.2 18.3 18.6 17.1 13.2 8.3 9.3 8.31 11.99 18.38 12.89 12.85 2017 7.8 8.3 11.0 11.6 17.2 17.6 18.6 17.8 15.4 13.9 8.6 7.4 8.48 13.30 18.01 12.67 12.98 2018 6.5 6.1 7.3 11.7 16.6 20.1 20.3 18.1 15.2 12.5 10.0 9.0 6.69 11.84 19.48 12.58 12.82 2019 7.3 10.1 10.1 12.2 14.2 8.74 12.17