Sub-zero months for England, Wales, Scotland and Northern Ireland From the England and Wales series started in 1914 Jan 1940 -1.3; Feb 1942 -0.1; Feb 1947 -2.0; Feb 1956 -0.6; Jan 1963 -2.3 Feb 1963 -1.2; Jan 1979 -0.3; Feb 1986 -1.3 From the Scottish series started in 1914 Jan 1940 -1.0; Jan 1941 -1.1; Jan 1945 -1.1; Feb 1947 -2.3; Dec 1950 -0.1 Feb 1955 -1.0; Jan 1959 -0.4; Jan 1963 -1.1; Feb 1963 -1.2; Feb 1969 -0.8 Jan 1979 -1.0; Dec 1981 -0.7; Feb 1986 -1.1 From the Northern Irish series started in 1914 Feb 1947 -0.5; Jan 1963 -0.3