Areal values from HadUK-Grid 1km gridded climate data from land surface network Source: Met Office National Climate Information Centre Monthly, seasonal and annual mean of daily maximum air temperature for Wales Areal series, starting in 1884 Last updated 01-Mar-2024 10:46 year jan feb mar apr may jun jul aug sep oct nov dec win spr sum aut ann 1884 7.9 6.7 8.1 9.7 14.2 16.9 17.9 19.8 16.9 11.8 8.0 6.4 --- 10.67 18.21 12.21 12.04 1885 4.8 7.7 7.2 10.4 11.5 17.0 19.2 17.3 15.1 9.8 7.6 5.9 6.24 9.70 17.85 10.82 11.14 1886 4.1 3.8 5.9 11.0 13.8 16.8 18.7 18.6 16.1 12.9 8.9 5.3 4.64 10.24 18.07 12.62 11.38 1887 5.3 6.5 6.4 9.8 12.4 20.4 20.6 19.6 14.5 10.4 6.6 5.6 5.68 9.54 20.20 10.49 11.53 1888 5.2 3.5 5.4 8.8 14.4 16.6 16.1 17.0 15.7 11.9 9.3 7.5 4.78 9.59 16.57 12.31 10.99 1889 5.7 5.5 7.0 9.4 15.3 19.1 18.3 17.2 16.1 11.2 9.1 6.2 6.27 10.59 18.19 12.13 11.71 1890 8.3 5.4 8.6 10.7 15.2 16.3 17.0 16.9 18.0 12.6 8.7 1.5 6.65 11.49 16.76 13.11 11.63 1891 4.5 9.0 6.6 9.5 13.1 18.2 17.5 16.3 17.1 11.9 8.0 7.1 4.87 9.75 17.32 12.34 11.58 1892 4.4 5.7 6.0 12.2 14.7 16.8 17.2 17.7 14.7 9.7 9.1 5.3 5.75 10.95 17.25 11.15 11.14 1893 4.4 6.9 11.8 15.7 17.2 19.9 19.5 20.4 16.3 12.8 7.6 7.6 5.50 14.90 19.97 12.23 13.38 1894 5.7 7.7 10.4 13.5 12.4 17.2 19.0 16.8 15.1 12.1 9.8 7.5 6.95 12.09 17.66 12.32 12.28 1895 2.4 0.9 7.8 11.2 17.3 19.7 18.3 18.5 19.9 10.2 9.6 6.0 3.68 12.12 18.79 13.21 11.87 1896 6.6 7.4 9.4 12.7 17.3 20.3 20.1 17.2 15.4 9.7 6.9 6.0 6.69 13.13 19.22 10.66 12.44 1897 3.4 7.6 8.7 10.1 14.4 19.2 20.7 19.3 15.1 13.3 10.0 7.6 5.61 11.08 19.74 12.81 12.48 1898 8.1 7.1 7.1 12.0 13.4 17.5 19.5 19.5 18.9 13.4 9.5 9.6 7.62 10.83 18.88 13.92 13.01 1899 7.2 8.2 9.3 10.6 13.8 20.5 20.3 23.2 16.5 13.3 10.7 4.9 8.37 11.23 21.33 13.51 13.24 1900 6.6 5.0 5.7 11.7 13.4 17.4 20.7 18.4 17.2 12.4 8.9 9.1 5.50 10.25 18.83 12.82 12.24 1901 5.4 4.3 6.4 11.9 16.3 17.0 21.3 18.5 16.3 12.3 7.7 5.8 6.35 11.57 18.96 12.13 12.00 1902 6.6 4.0 9.4 10.8 11.7 16.8 17.7 17.5 16.1 11.7 8.8 6.5 5.54 10.63 17.34 12.21 11.52 1903 6.0 8.6 8.9 9.5 13.9 15.4 17.2 16.3 15.4 12.3 8.9 5.4 6.99 10.77 16.32 12.21 11.50 1904 6.2 5.3 6.5 10.5 13.0 16.1 19.2 17.4 15.7 12.5 8.4 6.6 5.64 10.03 17.57 12.21 11.47 1905 5.9 6.8 9.0 9.6 13.9 17.8 19.2 17.1 14.6 10.4 7.4 7.2 6.40 10.84 18.02 10.79 11.60 1906 7.4 5.7 7.4 11.0 12.3 16.9 18.0 19.0 17.3 13.0 9.4 6.2 6.81 10.21 17.99 13.21 11.99 1907 5.7 5.3 9.7 10.2 13.2 14.2 17.4 16.4 17.6 12.1 9.1 6.7 5.75 11.01 16.02 12.94 11.50 1908 5.3 7.2 6.8 9.1 14.8 17.4 18.6 17.5 15.3 15.2 10.2 6.7 6.40 10.22 17.83 13.59 12.02 1909 6.0 5.9 5.9 11.8 15.1 15.0 16.6 18.5 14.8 12.7 7.6 6.5 6.24 10.93 16.73 11.71 11.41 1910 5.9 7.1 8.9 9.6 14.6 17.2 17.4 17.0 15.7 12.5 6.8 8.0 6.48 11.03 17.19 11.69 11.75 1911 5.8 6.5 7.5 9.7 16.3 17.8 21.6 21.3 17.3 12.4 8.1 8.2 6.77 11.16 20.25 12.60 12.75 1912 5.9 7.3 9.1 12.4 14.5 16.0 18.5 15.1 13.8 11.6 8.4 9.0 7.15 12.00 16.55 11.30 11.83 1913 6.7 7.1 8.5 10.5 13.9 16.5 17.6 18.6 16.7 13.5 10.6 7.0 7.62 10.94 17.57 13.60 12.29 1914 5.6 8.7 8.4 13.3 13.8 17.7 18.6 19.2 17.0 12.9 9.1 6.9 7.05 11.82 18.50 13.04 12.62 1915 5.8 6.4 7.7 10.8 15.2 18.1 17.0 17.7 17.1 11.9 6.0 7.7 6.38 11.22 17.58 11.69 11.82 1916 9.1 5.7 5.5 11.2 14.1 14.6 18.3 19.2 16.1 12.9 8.8 4.9 7.55 10.27 17.41 12.58 11.72 1917 2.6 3.8 6.2 8.5 16.4 17.5 19.4 17.2 16.2 10.7 9.9 5.0 3.78 10.35 18.04 12.25 11.15 1918 6.4 8.3 8.7 10.1 16.2 16.5 18.5 18.3 14.3 11.5 8.5 9.1 6.51 11.69 17.77 11.41 12.22 1919 5.3 3.9 5.7 9.6 16.8 16.7 17.4 18.4 15.7 11.3 5.6 7.8 6.16 10.71 17.52 10.84 11.23 1920 7.5 8.4 9.2 10.0 14.2 17.3 16.1 16.1 15.8 13.3 9.7 6.3 7.89 11.16 16.50 12.96 12.01 1921 8.8 7.1 9.3 11.9 14.5 18.7 22.2 17.6 17.5 16.2 8.0 8.7 7.43 11.91 19.52 13.95 13.43 1922 6.4 7.1 7.0 8.8 15.8 16.7 15.8 15.8 14.8 11.2 8.6 7.5 7.41 10.52 16.08 11.52 11.30 1923 7.4 7.7 9.0 10.4 11.9 14.8 19.3 17.4 14.8 11.8 6.3 6.8 7.55 10.42 17.19 10.97 11.49 1924 6.8 5.5 7.9 9.9 13.8 16.1 17.4 16.3 15.2 12.5 9.1 8.9 6.40 10.55 16.60 12.27 11.64 1925 7.7 7.1 7.4 10.2 13.5 18.9 19.5 18.1 14.2 13.3 6.3 5.4 7.92 10.38 18.85 11.28 11.84 1926 7.1 8.4 8.6 12.3 13.2 16.4 19.8 18.9 16.9 10.9 8.3 6.4 6.92 11.35 18.38 12.04 12.28 1927 6.8 6.7 9.2 10.3 14.9 15.2 18.2 18.1 14.7 13.3 8.4 3.6 6.59 11.46 17.18 12.15 11.64 1928 7.6 8.1 8.1 11.4 14.7 15.8 18.2 17.8 15.9 12.9 10.0 6.4 6.40 11.38 17.26 12.93 12.24 1929 4.0 3.1 10.6 10.1 14.8 16.1 18.9 17.4 18.5 12.0 9.4 8.0 4.52 11.88 17.48 13.30 11.97 1930 7.5 4.2 7.5 10.4 13.5 18.4 17.4 17.9 15.9 12.7 9.0 7.0 6.67 10.46 17.87 12.54 11.82 1931 5.9 6.2 7.4 9.6 13.7 16.6 17.1 17.2 14.4 12.0 9.9 7.7 6.37 10.21 16.95 12.10 11.50 1932 8.4 5.5 7.8 9.1 12.4 18.1 17.8 19.8 15.8 11.5 8.6 7.5 7.26 9.79 18.56 11.94 11.88 1933 5.0 6.3 10.6 11.6 14.9 18.6 20.4 20.4 18.7 12.5 7.8 3.4 6.25 12.38 19.79 12.99 12.54 1934 7.0 6.3 7.7 10.3 14.1 18.4 21.7 17.7 17.0 12.3 8.0 9.4 5.57 10.68 19.29 12.41 12.53 1935 6.5 7.6 9.0 10.8 14.3 17.4 19.7 19.3 16.0 11.8 8.7 5.4 7.86 11.38 18.83 12.17 12.25 1936 5.8 5.2 9.0 9.1 14.9 17.3 17.0 18.6 16.7 12.5 8.5 8.0 5.46 11.01 17.66 12.56 11.90 1937 7.3 7.4 6.0 11.8 15.1 16.7 18.0 20.1 16.2 12.8 7.9 5.4 7.57 10.98 18.28 12.31 12.09 1938 7.8 7.0 11.1 11.5 13.8 16.2 16.9 18.1 16.2 12.9 11.2 6.6 6.72 12.14 17.05 13.43 12.47 1939 6.1 7.7 8.1 11.6 14.7 17.9 17.0 19.2 16.8 11.2 10.6 5.6 6.78 11.48 18.04 12.86 12.23 1940 2.6 5.5 8.8 11.5 15.7 20.2 17.6 18.6 15.9 12.2 9.2 6.5 4.54 11.99 18.76 12.41 12.02 1941 2.4 5.8 8.1 9.3 12.7 18.0 19.8 17.1 17.5 13.2 9.3 8.0 4.86 10.07 18.29 13.35 11.81 1942 4.7 3.7 8.7 13.0 14.6 18.0 17.9 18.7 16.2 12.7 8.0 9.1 5.53 12.07 18.19 12.31 12.15 1943 7.4 8.2 9.9 13.1 15.0 16.6 19.5 17.9 15.6 13.4 9.0 6.0 8.22 12.67 18.02 12.67 12.66 1944 8.3 5.7 8.5 13.0 14.8 16.1 18.5 19.9 15.3 11.4 8.9 6.7 6.68 12.08 18.17 11.87 12.27 1945 3.4 8.9 10.4 13.5 14.9 16.7 18.3 18.7 16.5 14.4 9.4 7.6 6.24 12.94 17.90 13.43 12.74 1946 5.6 7.6 8.2 13.1 14.2 15.0 18.0 16.4 15.9 11.8 10.1 6.1 6.94 11.82 16.48 12.60 11.85 1947 4.4 -0.3 6.0 10.7 15.9 17.6 18.4 22.6 17.4 13.7 9.5 7.0 3.53 10.85 19.58 13.53 11.99 1948 7.2 6.4 12.1 11.9 15.4 15.6 17.9 17.0 15.8 12.7 10.2 7.9 6.90 13.15 16.85 12.88 12.53 1949 7.7 8.1 8.6 12.2 14.5 18.8 20.9 19.6 18.9 14.4 9.1 8.0 7.88 11.73 19.76 14.12 13.41 1950 6.4 7.7 10.4 10.3 14.9 18.8 18.1 17.4 14.9 11.9 8.0 3.5 7.33 11.84 18.11 11.62 11.87 1951 5.8 5.8 6.3 9.6 12.9 17.1 19.0 16.9 16.2 12.8 10.1 8.1 5.03 9.60 17.67 13.03 11.75 1952 5.3 6.1 8.9 12.4 16.1 16.5 18.9 18.2 13.6 11.4 6.5 6.0 6.49 12.48 17.89 10.53 11.69 1953 5.7 6.3 9.6 10.5 15.8 17.2 17.6 18.5 16.2 12.8 10.4 9.2 5.96 11.98 17.78 13.12 12.52 1954 5.2 5.3 8.4 11.2 14.0 15.6 15.7 16.4 15.2 13.6 9.5 8.3 6.61 11.18 15.89 12.79 11.57 1955 5.1 3.5 6.3 12.0 12.4 16.2 21.5 21.8 17.0 12.4 9.3 8.3 5.72 10.22 19.86 12.89 12.20 1956 6.4 2.8 9.6 10.6 14.9 15.9 18.1 15.9 16.4 12.3 8.4 7.9 5.91 11.72 16.64 12.35 11.63 1957 7.5 7.7 11.8 12.0 14.3 19.4 18.4 17.9 14.6 13.4 8.3 7.2 7.70 12.70 18.56 12.13 12.75 1958 6.4 7.5 6.6 10.5 13.7 16.5 18.1 17.7 17.3 12.8 9.1 7.0 7.02 10.26 17.43 13.05 11.94 1959 5.0 7.4 9.5 11.8 16.7 18.0 19.9 20.0 19.3 15.6 9.5 8.0 6.45 12.65 19.31 14.81 13.42 1960 6.5 6.1 8.8 11.8 16.3 19.3 17.4 17.5 15.5 12.3 9.3 6.1 6.91 12.31 18.06 12.34 12.26 1961 6.0 8.9 10.8 12.3 14.3 17.0 17.7 17.8 17.8 13.0 8.5 5.0 6.94 12.44 17.51 13.11 12.43 1962 6.8 6.5 5.9 10.5 12.7 16.7 17.6 16.3 14.9 13.3 7.9 5.2 6.09 9.68 16.84 12.04 11.21 1963 0.1 1.8 8.3 10.7 13.1 17.7 17.8 16.4 15.7 13.2 10.2 5.0 2.38 10.70 17.30 13.03 10.88 1964 5.8 6.4 6.8 11.0 15.8 16.1 18.1 18.1 17.3 11.8 9.9 6.3 5.73 11.23 17.46 13.01 11.98 1965 5.6 5.1 8.4 11.0 14.2 16.8 16.5 17.7 14.4 13.9 7.0 7.4 5.67 11.19 17.00 11.77 11.53 1966 4.7 7.2 8.9 9.4 14.1 17.5 17.4 17.5 16.7 12.5 7.6 8.1 6.41 10.83 17.50 12.30 11.85 1967 6.5 7.4 8.8 10.6 12.7 17.5 18.8 18.0 15.8 12.4 8.2 6.8 7.34 10.70 18.08 12.11 11.97 1968 6.8 4.3 8.6 10.9 12.7 17.6 18.0 18.5 16.0 14.2 8.5 5.4 5.97 10.71 18.07 12.89 11.81 1969 7.2 3.2 6.2 10.9 13.6 17.4 19.1 18.3 16.2 15.3 7.9 5.9 5.35 10.22 18.27 13.18 11.83 1970 6.4 5.4 6.3 8.9 15.6 19.6 17.0 18.5 16.8 12.9 10.0 6.4 5.92 10.28 18.37 13.23 12.02 1971 6.7 6.9 7.4 10.8 15.1 15.1 20.4 17.9 18.2 14.4 9.2 8.2 6.67 11.13 17.83 13.95 12.58 1972 5.9 6.2 9.4 10.6 12.5 13.5 18.3 17.6 15.1 13.1 9.0 8.2 6.77 10.82 16.53 12.40 11.64 1973 6.5 6.5 9.4 9.9 14.2 17.8 18.2 19.5 16.8 12.0 9.2 7.6 7.10 11.18 18.52 12.67 12.34 1974 8.1 7.5 8.2 12.2 13.6 16.5 16.8 17.5 13.9 10.0 8.7 9.3 7.74 11.32 16.94 10.84 11.88 1975 8.5 7.2 7.0 10.7 13.8 18.8 20.0 21.1 15.7 12.9 9.1 7.3 8.37 10.50 19.94 12.59 12.71 1976 7.3 6.2 7.4 11.1 14.3 19.7 21.3 22.1 15.6 12.2 8.8 4.4 6.96 10.91 21.05 12.17 12.54 1977 4.9 7.1 9.1 9.4 14.4 15.4 19.0 18.4 15.1 14.0 8.3 7.8 5.41 10.99 17.64 12.46 11.94 1978 5.6 4.6 8.7 9.2 15.4 16.2 16.9 17.1 16.1 14.3 10.7 6.4 6.03 11.13 16.72 13.70 11.80 1979 3.3 3.1 6.5 10.1 11.9 16.4 18.7 17.1 15.8 13.6 9.7 8.0 4.32 9.50 17.40 13.05 11.23 1980 4.8 8.0 6.9 12.0 15.6 15.9 17.2 17.9 16.7 11.3 8.2 8.0 6.88 11.48 17.01 12.08 11.88 1981 7.2 5.4 9.6 11.2 13.7 15.3 17.7 19.4 17.1 10.6 10.0 3.8 6.94 11.48 17.50 12.56 11.78 1982 5.3 7.3 8.8 11.8 15.0 18.4 19.3 17.7 17.0 12.5 9.7 7.0 5.37 11.85 18.48 13.09 12.51 1983 8.4 4.1 8.5 9.5 12.6 16.9 23.1 21.0 15.7 12.6 9.6 8.5 6.58 10.21 20.38 12.65 12.61 1984 6.3 6.1 7.0 12.6 13.9 17.7 20.9 21.0 15.7 13.3 9.4 7.8 6.98 11.14 19.88 12.80 12.66 1985 3.6 5.0 7.4 10.8 13.9 15.4 18.5 16.2 17.1 13.0 6.8 8.3 5.51 10.69 16.73 12.33 11.38 1986 5.7 1.1 7.6 8.0 13.1 18.0 17.7 15.7 14.8 13.3 10.2 8.6 5.15 9.62 17.13 12.77 11.22 1987 3.3 6.2 6.6 13.3 13.4 14.9 18.5 18.2 16.2 12.1 8.7 7.3 6.04 11.09 17.25 12.31 11.59 1988 7.4 7.1 8.4 11.4 15.2 18.1 16.1 17.2 15.4 12.8 9.0 9.4 7.27 11.68 17.14 12.38 12.31 1989 8.5 8.4 9.8 9.5 16.9 18.0 21.7 19.2 17.0 13.8 9.3 6.9 8.76 12.06 19.66 13.35 13.28 1990 8.7 9.4 10.5 11.6 16.9 15.9 20.8 20.5 15.9 13.8 8.9 6.7 8.31 13.03 19.11 12.85 13.33 1991 5.4 4.6 10.1 10.7 14.2 14.5 19.4 19.7 18.1 12.1 9.0 7.2 5.58 11.68 17.90 13.07 12.14 1992 6.1 7.9 9.4 11.2 17.2 19.3 18.8 17.2 15.4 10.1 9.9 6.3 7.04 12.60 18.41 11.77 12.39 1993 8.3 6.9 8.9 12.1 14.5 18.0 17.4 17.3 15.2 10.6 7.4 7.7 7.14 11.81 17.55 11.06 12.04 1994 7.4 5.4 9.2 10.6 13.7 16.6 20.2 18.0 14.8 13.1 11.8 9.1 6.87 11.17 18.31 13.21 12.54 1995 7.6 8.4 8.2 12.1 14.8 17.8 21.3 23.5 16.3 15.4 10.3 4.7 8.37 11.69 20.91 14.01 13.40 1996 5.8 5.3 6.9 11.4 12.4 17.7 19.4 19.1 16.9 13.7 8.6 5.2 5.26 10.20 18.74 13.09 11.88 1997 5.0 8.6 10.6 12.8 15.4 16.4 19.7 21.2 16.6 13.4 10.8 8.2 6.19 12.93 19.15 13.59 13.26 1998 7.2 9.7 10.2 10.2 16.6 16.3 17.3 18.6 16.9 12.9 9.0 8.4 8.35 12.36 17.42 12.92 12.80 1999 8.0 7.5 9.4 12.0 15.4 16.7 20.8 19.0 18.1 13.3 10.0 7.6 7.99 12.29 18.88 13.80 13.20 2000 7.2 8.4 9.9 10.7 15.5 17.6 18.7 19.2 17.2 12.6 9.0 7.5 7.73 12.04 18.49 12.94 12.81 2001 5.7 7.3 7.6 10.3 16.3 17.3 19.4 18.9 15.9 15.1 10.4 6.7 6.83 11.42 18.55 13.82 12.62 2002 8.3 9.0 10.3 12.3 14.5 16.2 18.0 19.2 17.5 12.8 10.9 7.2 7.97 12.35 17.83 13.71 13.03 2003 6.6 6.7 11.4 13.8 14.3 18.7 19.7 21.1 17.8 12.0 10.6 7.8 6.86 13.15 19.84 13.43 13.41 2004 7.6 7.4 9.2 12.0 15.7 18.2 18.0 19.9 17.2 12.7 10.0 8.5 7.61 12.31 18.68 13.27 13.04 2005 8.4 6.5 9.7 12.0 14.6 18.4 19.5 19.3 18.0 14.7 9.5 7.6 7.84 12.10 19.10 14.04 13.22 2006 6.5 5.9 7.4 11.6 15.1 19.6 23.1 18.5 19.1 14.8 11.0 8.5 6.68 11.35 20.40 14.95 13.45 2007 9.1 8.4 10.1 15.8 15.2 18.1 17.3 18.5 16.6 13.9 10.4 7.9 8.64 13.67 17.96 13.63 13.45 2008 8.9 9.2 8.7 11.0 17.2 16.9 18.8 17.8 16.1 12.4 9.3 6.4 8.63 12.34 17.87 12.60 12.75 2009 5.9 6.5 9.8 13.0 14.8 18.7 18.2 18.6 16.7 14.4 10.5 5.7 6.28 12.55 18.52 13.86 12.78 2010 4.0 5.6 9.0 13.0 14.7 19.3 18.8 17.9 16.6 13.4 7.8 2.9 5.08 12.21 18.64 12.59 11.93 2011 5.9 8.6 10.3 15.8 14.9 16.9 18.5 17.8 17.2 14.8 11.9 8.6 5.72 13.66 17.75 14.63 13.45 2012 8.0 7.0 12.0 10.2 15.3 16.0 17.7 18.9 15.6 12.1 9.1 7.6 7.85 12.55 17.54 12.26 12.49 2013 6.0 5.7 5.5 10.3 13.4 17.1 22.4 19.4 16.8 14.5 9.2 9.1 6.46 9.72 19.65 13.50 12.49 2014 7.9 7.8 10.7 13.2 15.1 18.8 20.8 17.6 18.7 14.5 10.7 8.1 8.31 12.99 19.10 14.63 13.69 2015 7.1 6.5 9.0 13.4 13.4 17.4 18.0 18.2 16.1 13.8 11.9 11.5 7.25 11.92 17.89 13.92 13.06 2016 8.1 7.4 8.9 10.9 16.3 18.2 18.7 19.4 18.0 13.5 8.6 9.1 9.04 12.02 18.78 13.38 13.11 2017 7.2 8.1 10.9 12.3 16.9 18.3 19.4 18.2 16.0 14.3 9.8 7.6 8.11 13.36 18.61 13.36 13.26 2018 7.5 5.6 7.1 12.1 17.0 20.5 22.6 18.9 16.1 13.3 10.2 9.1 6.93 12.08 20.69 13.21 13.39 2019 6.5 10.4 10.1 13.1 14.9 16.9 20.4 19.4 17.1 12.6 8.4 8.3 8.59 12.69 18.93 12.74 13.20 2020 8.3 8.5 9.6 15.1 17.0 18.1 17.8 19.6 17.3 12.5 11.0 7.4 8.34 13.90 18.51 13.56 13.52 2021 5.9 7.4 9.9 11.3 13.3 18.7 21.1 18.4 18.8 14.2 10.2 8.8 6.88 11.48 19.41 14.40 13.19 2022 7.8 9.2 11.4 13.0 15.7 18.1 21.1 22.0 17.5 15.2 11.2 6.5 8.57 13.33 20.39 14.65 14.07 2023 7.7 8.9 8.9 12.0 16.8 21.3 18.3 18.6 19.4 14.5 9.9 9.2 7.67 12.57 19.38 14.64 13.82 2024 7.0 9.4 8.52