Northern_Ireland Minimum 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 0.5 0.3 1.8 2.0 5.4 8.5 8.9 9.9 7.8 6.7 0.2 2.8 --- 3.07 9.13 4.94 4.61 1911 1.2 0.8 1.2 2.9 6.4 7.7 10.4 10.5 7.5 5.0 2.3 1.6 1.63 3.51 9.56 4.92 4.82 1912 1.2 1.3 2.6 3.9 5.8 8.4 8.7 7.2 6.8 4.0 3.2 2.3 1.37 4.10 8.08 4.65 4.62 1913 1.3 1.8 1.2 2.7 5.6 7.8 8.9 8.8 8.5 6.7 4.0 2.1 1.78 3.19 8.51 6.40 4.97 1914 1.3 1.7 0.7 3.8 5.1 8.2 10.2 10.0 7.9 6.3 2.6 0.1 1.68 3.20 9.46 5.60 4.83 1915 0.2 -0.7 1.2 3.5 4.6 8.0 9.1 9.4 8.5 4.9 0.9 0.9 -0.11 3.08 8.84 4.77 4.24 1916 2.9 -0.4 0.1 2.4 5.2 6.5 9.8 11.0 9.2 6.2 3.6 0.1 1.19 2.55 9.09 6.34 4.73 1917 0.1 -0.2 0.6 0.5 6.1 7.9 10.2 10.4 8.8 3.1 4.4 0.2 0.02 2.44 9.50 5.41 4.37 1918 0.7 3.2 1.5 2.2 6.4 7.8 9.3 10.7 6.0 4.4 2.2 3.2 1.28 3.35 9.29 4.20 4.81 1919 0.7 -0.1 -1.2 2.6 6.4 7.7 8.5 9.2 6.4 4.5 -0.6 1.2 1.31 2.62 8.47 3.45 3.80 1920 0.6 1.9 1.4 2.6 5.4 8.4 8.4 8.3 8.0 6.6 4.6 0.6 1.20 3.14 8.38 6.39 4.73 1921 3.0 2.3 2.1 2.6 4.7 8.3 11.0 9.2 8.4 8.0 4.2 4.1 1.94 3.16 9.50 6.89 5.69 1922 1.5 1.8 0.9 -0.3 6.2 7.5 8.2 8.7 7.4 5.1 4.1 2.9 2.50 2.32 8.12 5.54 4.52 1923 2.8 2.7 2.9 3.1 3.6 8.1 10.9 9.1 6.9 5.1 0.2 1.6 2.77 3.21 9.40 4.07 4.77 1924 2.3 1.4 0.3 1.6 5.3 8.5 9.8 9.6 7.7 5.3 4.6 3.4 1.80 2.38 9.29 5.86 4.99 1925 2.6 0.7 1.8 1.9 5.5 8.6 10.7 10.0 7.0 6.6 1.7 0.8 2.28 3.08 9.79 5.12 4.86 1926 2.0 3.2 2.7 4.6 4.8 7.9 10.7 10.2 8.6 3.7 2.2 1.9 1.98 4.01 9.64 4.85 5.24 1927 1.7 1.6 3.1 3.0 4.9 5.9 10.3 10.3 7.5 6.2 3.0 1.7 1.75 3.67 8.87 5.59 4.96 1928 1.2 2.5 2.4 3.1 5.6 7.0 10.0 8.8 7.0 6.5 3.5 2.1 1.80 3.69 8.61 5.67 4.99 1929 0.6 1.7 1.5 2.5 5.2 7.6 10.0 10.0 9.6 5.0 3.0 1.7 1.42 3.07 9.20 5.86 4.87 1930 0.9 -0.7 1.1 3.6 5.6 8.0 10.5 10.1 8.4 6.1 2.4 1.8 0.68 3.42 9.58 5.66 4.87 1931 0.4 0.5 1.5 3.4 6.1 8.7 10.4 9.2 7.3 4.6 3.6 4.2 0.95 3.66 9.45 5.15 5.02 1932 3.4 0.9 1.2 1.7 5.8 8.6 10.7 10.3 7.5 4.5 3.3 3.0 2.89 2.94 9.89 5.11 5.11 1933 0.2 0.8 2.9 4.6 5.9 9.3 11.8 10.7 8.7 6.2 2.8 1.7 1.36 4.43 10.62 5.89 5.49 1934 2.2 1.6 0.9 2.2 5.5 8.9 11.1 9.4 8.2 5.4 3.1 5.1 1.86 2.86 9.80 5.58 5.32 1935 2.4 1.8 2.9 3.1 4.9 8.7 9.7 10.2 8.1 4.7 1.8 -0.2 3.12 3.64 9.54 4.88 4.86 1936 -0.1 0.0 3.1 1.5 5.6 8.3 10.2 10.8 9.2 5.5 1.6 2.1 -0.11 3.40 9.76 5.43 4.82 1937 1.6 1.1 -0.3 4.9 6.2 8.5 9.9 10.4 7.8 4.5 3.4 0.4 1.63 3.54 9.63 5.24 4.89 1938 1.6 1.7 5.1 2.3 5.2 8.2 9.4 9.4 8.7 6.0 5.0 0.7 1.23 4.22 9.00 6.56 5.29 1939 0.2 2.9 2.4 3.6 5.9 7.8 10.0 10.0 8.6 4.1 4.4 1.0 1.22 3.98 9.29 5.69 5.09 1940 -1.4 1.3 1.8 4.2 6.4 9.2 8.9 10.0 7.0 5.6 2.6 1.0 0.30 4.15 9.37 5.04 4.73 1941 -1.6 -0.5 1.4 2.2 4.2 9.0 10.6 9.5 10.1 6.4 2.7 2.7 -0.33 2.58 9.71 6.44 4.76 1942 1.0 -0.2 1.6 3.6 5.0 8.3 9.9 10.6 8.1 5.4 2.2 3.1 1.17 3.40 9.63 5.20 4.90 1943 2.4 3.0 3.0 5.4 5.4 8.7 9.7 10.0 8.3 6.3 3.7 2.3 2.83 4.57 9.49 6.11 5.70 1944 3.8 1.0 1.2 5.2 6.4 8.4 11.3 10.6 7.6 5.3 2.8 1.8 2.40 4.24 10.11 5.23 5.46 1945 -2.1 3.8 5.0 5.1 6.2 8.9 11.1 10.7 9.3 7.2 4.9 3.5 1.10 5.44 10.24 7.16 6.15 1946 1.0 3.0 1.8 4.1 4.7 8.0 10.2 9.0 9.6 6.8 4.4 0.3 2.48 3.53 9.07 6.92 5.24 1947 0.5 -2.5 -0.5 3.5 6.8 9.6 10.4 11.2 9.0 7.5 4.0 2.8 -0.49 3.29 10.40 6.85 5.25 1948 0.9 1.9 3.9 4.2 4.6 8.5 10.1 10.4 9.2 6.3 5.0 2.9 1.86 4.23 9.66 6.83 5.65 1949 3.0 2.8 2.4 5.2 5.4 8.8 11.1 11.1 9.9 7.6 3.5 2.6 2.92 4.32 10.33 7.00 6.13 1950 3.1 0.8 3.3 3.2 5.8 9.7 10.4 9.9 8.1 5.9 1.2 -0.8 2.21 4.13 10.01 5.10 5.09 1951 1.0 -0.4 0.7 2.3 4.4 7.8 10.8 10.0 9.3 6.9 4.5 2.6 -0.07 2.47 9.52 6.88 5.01 1952 -0.3 0.9 3.2 4.5 6.9 8.6 11.2 10.5 6.4 5.5 2.0 0.7 1.09 4.89 10.13 4.64 5.04 1953 1.8 2.4 0.7 2.0 7.4 8.8 10.3 10.3 10.1 6.3 4.9 4.4 1.62 3.37 9.83 7.11 5.82 1954 1.8 0.7 2.6 3.0 6.5 8.6 9.5 9.4 7.4 7.3 2.8 4.4 2.39 4.02 9.18 5.83 5.37 1955 0.1 -1.8 -0.7 4.3 5.2 8.7 10.4 11.8 9.7 5.3 5.1 2.7 0.98 2.92 10.31 6.66 5.10 1956 0.7 -1.3 3.3 2.5 6.6 7.7 10.4 8.5 9.5 6.2 4.5 4.0 0.76 4.14 8.89 6.72 5.25 1957 1.3 1.1 5.4 3.4 5.1 7.8 10.7 10.5 8.1 6.3 3.2 2.4 2.16 4.65 9.70 5.85 5.47 1958 0.9 1.3 0.8 3.4 4.5 8.7 10.6 10.6 10.4 7.0 5.0 1.5 1.54 2.89 9.97 7.46 5.41 1959 -1.7 2.0 3.5 4.0 6.4 8.9 10.8 10.9 8.5 8.0 3.1 1.8 0.55 4.63 10.20 6.54 5.52 1960 0.8 -0.7 3.2 4.2 7.1 9.9 9.9 9.2 8.1 6.2 3.4 0.0 0.66 4.87 9.67 5.91 5.14 1961 0.4 3.8 4.5 4.2 5.6 8.5 9.2 9.4 8.9 6.1 2.8 -0.8 1.33 4.78 9.04 5.91 5.22 1962 0.5 1.8 -1.0 2.3 4.9 7.4 9.3 9.1 7.9 6.8 3.1 1.3 0.48 2.06 8.64 5.93 4.47 1963 -3.0 -2.4 2.1 3.7 5.1 9.0 9.4 9.6 7.9 7.0 3.3 0.7 -1.30 3.65 9.33 6.11 4.42 1964 2.2 1.7 1.7 4.3 7.3 8.6 10.5 9.7 8.7 5.4 3.5 0.8 1.51 4.43 9.59 5.87 5.37 1965 -0.1 0.2 1.1 3.3 6.6 8.7 8.6 9.4 7.3 7.2 1.3 0.9 0.28 3.66 8.90 5.31 4.57 1966 1.2 2.4 3.3 2.9 5.6 10.1 9.6 8.9 9.2 5.0 1.8 1.9 1.45 3.93 9.53 5.33 5.16 1967 2.2 2.0 2.8 3.5 4.6 7.8 10.2 9.7 8.6 5.7 2.3 2.2 2.04 3.62 9.23 5.50 5.13 1968 2.2 -1.6 1.9 2.8 4.2 8.2 8.7 9.1 8.6 8.6 3.5 1.3 0.97 2.99 8.67 6.94 4.82 1969 1.5 -1.9 -0.3 2.0 5.5 7.4 10.5 10.8 8.5 8.7 0.9 1.1 0.36 2.42 9.60 6.05 4.61 1970 0.7 -0.8 0.6 2.4 7.5 10.1 9.3 10.0 8.8 6.8 3.5 1.9 0.39 3.52 9.82 6.38 5.11 1971 1.9 2.0 1.7 3.1 5.6 7.3 10.1 10.1 8.6 7.7 3.4 3.9 1.91 3.46 9.19 6.56 5.47 1972 0.5 1.1 1.4 3.6 5.3 6.2 9.5 8.9 6.3 6.7 2.4 2.3 1.82 3.42 8.25 5.11 4.52 1973 2.8 1.1 1.6 2.7 5.5 8.3 10.5 10.5 8.8 5.3 2.5 1.7 2.10 3.31 9.77 5.50 5.14 1974 2.6 1.8 1.5 2.4 5.8 7.4 9.6 9.3 6.5 4.3 1.8 4.1 2.04 3.25 8.78 4.25 4.79 1975 2.6 1.9 0.9 3.8 4.0 7.6 10.7 11.2 7.6 6.9 3.0 2.9 2.88 2.89 9.89 5.83 5.29 1976 2.9 1.8 1.8 3.6 5.8 9.9 11.7 9.6 8.5 5.3 2.3 -0.7 2.56 3.74 10.42 5.39 5.23 1977 -0.5 0.7 3.1 3.0 4.2 7.0 10.7 9.2 7.7 8.0 1.4 3.3 -0.17 3.46 8.99 5.70 4.85 1978 0.5 0.0 2.3 2.3 5.8 8.2 9.6 10.4 9.6 8.5 4.6 1.4 1.28 3.49 9.40 7.58 5.30 1979 -2.7 -0.7 0.2 2.7 3.6 8.2 10.4 9.0 8.0 7.2 3.0 1.7 -0.67 2.19 9.21 6.08 4.25 1980 -0.6 1.6 0.8 3.9 5.8 8.5 9.7 10.4 9.9 5.1 3.7 2.4 0.89 3.50 9.55 6.24 5.11 1981 2.2 0.9 3.2 3.3 6.1 8.4 10.2 10.4 9.0 3.1 3.7 -1.2 1.86 4.19 9.68 5.26 4.96 1982 0.5 1.7 1.6 3.8 5.3 9.2 10.1 9.8 8.1 5.5 2.9 0.7 0.28 3.53 9.69 5.50 4.93 1983 2.5 -0.2 3.2 1.3 5.3 8.5 11.5 11.4 8.6 6.1 4.1 3.6 1.03 3.29 10.49 6.25 5.53 1984 -0.6 1.3 1.2 3.3 3.7 9.2 10.3 10.8 8.4 5.5 2.7 2.1 1.42 2.72 10.13 5.52 4.83 1985 -2.4 0.6 1.1 4.0 5.1 7.1 10.4 9.3 9.4 6.8 0.3 2.6 0.08 3.37 8.96 5.52 4.55 1986 0.2 -1.9 1.2 1.0 5.8 9.0 10.4 7.9 6.3 6.2 3.3 2.1 0.37 2.72 9.10 5.26 4.34 1987 -0.1 -0.2 1.0 4.7 5.4 7.4 10.8 10.2 7.7 4.2 3.9 2.8 0.65 3.69 9.50 5.26 4.85 1988 1.2 1.3 2.8 4.1 5.7 9.2 10.0 10.0 8.6 6.1 2.2 4.9 1.76 4.20 9.73 5.66 5.53 1989 3.6 1.8 2.0 1.8 6.1 8.2 11.4 10.5 8.3 7.6 3.5 0.9 3.51 3.31 10.07 6.46 5.51 1990 2.5 2.1 4.7 3.0 6.7 8.2 10.5 11.7 7.3 7.5 3.0 1.0 1.83 4.78 10.16 5.93 5.70 1991 0.0 -0.8 3.4 3.9 6.3 7.1 11.9 11.2 8.2 5.9 2.9 3.1 0.11 4.55 10.09 5.66 5.30 1992 2.0 2.0 3.7 4.2 7.1 9.9 10.4 9.4 7.4 3.4 3.3 1.1 2.40 5.00 9.91 4.72 5.35 1993 2.0 3.7 2.6 4.7 5.7 9.6 10.0 9.0 7.5 3.5 2.2 1.5 2.21 4.35 9.54 4.39 5.18 1994 1.3 0.6 2.9 3.0 5.3 8.3 10.8 9.9 7.8 6.3 6.0 2.6 1.12 3.75 9.70 6.72 5.44 1995 0.9 2.2 1.1 4.0 6.0 8.8 11.9 12.0 8.6 8.3 4.8 0.3 1.90 3.71 10.90 7.25 5.76 1996 3.5 -0.7 2.1 3.9 3.6 8.3 10.4 10.7 8.6 7.3 1.9 1.1 1.08 3.22 9.81 5.99 5.10 1997 1.5 1.8 3.7 4.7 5.8 8.2 10.8 12.2 8.7 6.4 5.1 3.3 1.43 4.75 10.44 6.72 6.05 1998 1.8 4.9 4.3 3.3 7.2 8.5 10.4 10.6 9.7 6.0 3.3 2.4 3.27 4.94 9.85 6.34 6.04 1999 1.3 2.4 2.8 4.7 7.4 8.0 11.2 10.8 10.1 7.0 4.0 1.3 2.04 4.99 10.02 7.05 5.95 2000 2.0 2.2 3.8 2.6 5.7 8.9 10.3 10.3 9.4 5.5 2.5 2.0 1.83 4.06 9.84 5.80 5.44 2001 0.2 0.3 0.9 3.2 6.8 8.4 10.4 10.3 9.2 9.0 5.0 0.9 0.85 3.61 9.72 7.75 5.41 2002 3.1 2.4 3.0 4.2 6.4 9.4 10.2 11.0 8.9 5.4 5.0 2.7 2.13 4.54 10.16 6.43 5.99 2003 1.3 1.1 1.9 4.5 6.5 9.6 12.1 11.1 8.7 4.9 4.0 2.0 1.73 4.29 10.93 5.85 5.66 2004 2.2 1.1 2.4 4.7 6.4 10.1 10.0 11.8 10.0 5.2 5.7 2.7 1.77 4.48 10.61 6.94 6.02 2005 3.1 1.7 4.1 3.8 5.5 10.4 11.4 10.7 9.8 8.2 2.8 2.6 2.53 4.49 10.82 6.92 6.20 2006 1.9 1.2 1.5 3.2 6.4 9.5 11.7 11.2 10.6 8.2 3.6 2.9 1.93 3.70 10.79 7.46 6.02 2007 3.0 1.7 2.2 5.3 6.1 9.6 10.0 10.6 9.0 7.5 5.5 2.6 2.57 4.51 10.07 7.36 6.12 2008 2.3 1.7 1.9 3.4 7.4 8.1 11.1 11.5 8.3 4.8 3.8 0.6 2.23 4.28 10.28 5.65 5.44 2009 0.5 1.9 2.5 4.7 6.3 8.7 10.9 10.9 8.8 7.5 3.7 -0.6 0.95 4.51 10.18 6.68 5.50 2010 -1.2 -1.3 0.5 3.3 5.4 9.7 11.3 9.5 9.4 5.5 1.0 -4.2 -1.02 3.07 10.20 5.29 4.11 2011 -0.3 2.4 1.6 5.9 7.3 7.6 9.5 9.5 9.9 7.8 5.7 2.3 -0.77 4.95 8.90 7.82 5.80 2012 2.9 3.7 4.3 2.4 5.9 8.4 9.8 11.3 8.2 4.2 2.6 1.4 2.95 4.19 9.85 4.99 5.43 2013 2.0 0.8 0.0 2.6 5.7 8.6 12.2 11.3 9.3 7.7 2.7 3.1 1.40 2.77 10.74 6.60 5.54 2014 1.8 1.8 2.8 5.5 7.7 9.7 11.4 9.7 8.9 6.8 4.2 1.7 2.27 5.30 10.26 6.63 6.01 2015 0.6 0.8 1.7 2.6 5.4 7.9 9.6 9.8 8.2 6.1 4.8 3.9 1.04 3.23 9.11 6.37 5.14 2016 2.4 0.8 2.4 2.5 6.4 10.2 10.9 11.5 10.2 6.7 2.1 3.6 2.40 3.76 10.85 6.32 5.82 2017 2.5 2.3 3.4 4.8 6.9 10.1 10.3 10.1 8.4 7.7 3.1 2.1 2.81 5.06 10.14 6.40 5.99 2018 1.3 -0.3 0.6 4.3 6.9 9.7 11.3 10.6 7.7 5.8 4.3 3.9 1.09 3.92 10.56 5.96 5.56 2019 2.7 3.1 3.3 4.9 5.5 3.23 4.56