England_and_Wales Days of Air Frost Areal series, starting from 1961 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). Values are ranked and displayed to 1 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. JAN Year FEB Year MAR Year APR Year MAY Year JUN Year JUL Year AUG Year SEP Year OCT Year NOV Year DEC Year WIN Year SPR Year SUM Year AUT Year ANN Year 27.9 1963 26.0 1963 19.6 1962 8.8 1968 4.2 1979 0.5 1962 0.0 2018 0.1 1964 1.0 1986 4.8 1993 12.5 1965 23.2 2010 72.5 1963 25.9 2013 0.5 1962 15.8 1993 82.7 2010 25.0 1979 24.4 1986 17.3 2013 7.9 1970 3.6 1996 0.4 1991 0.0 2017 0.0 2018 0.5 1972 4.7 1997 12.2 1985 20.6 1981 57.7 1979 23.5 1970 0.4 1991 13.9 1988 81.9 1963 23.5 1985 19.9 1979 15.5 1970 7.7 2013 2.3 1982 0.2 1989 0.0 2016 0.0 2017 0.4 1979 3.9 1992 11.6 1988 18.6 1962 46.9 2010 23.1 1962 0.2 1989 13.2 1965 78.2 1979 20.0 1987 19.2 1968 14.5 1987 7.2 1984 1.8 2010 0.2 1975 0.0 2015 0.0 2016 0.4 1974 3.6 2003 11.4 1996 17.8 1961 46.7 1985 20.6 1969 0.2 1975 13.0 1985 73.1 1985 18.0 2010 18.9 1991 13.5 1969 6.6 1969 1.8 1984 0.1 2015 0.0 2014 0.0 2015 0.4 1969 3.2 1983 10.9 2005 17.2 1976 44.0 1986 17.9 1996 0.1 2015 12.2 1973 71.4 1969 17.9 1997 18.7 1983 12.3 1985 6.4 1990 1.7 1995 0.1 2011 0.0 2013 0.0 2014 0.3 1975 2.8 1981 10.8 1993 16.2 2001 43.5 1968 17.8 1979 0.1 2011 11.7 2010 70.1 1996 17.8 1980 18.7 1969 12.3 1965 6.3 1978 1.7 1967 0.1 1987 0.0 2012 0.0 2013 0.2 2018 2.7 1973 10.1 1971 15.6 1964 42.9 1965 17.4 1995 0.1 2001 11.6 1996 69.8 1962 15.2 1977 18.3 1996 12.0 2006 6.2 1986 1.6 1971 0.1 1985 0.0 2011 0.0 2012 0.2 2003 2.6 2018 9.6 2010 15.3 1995 42.7 1982 17.1 1968 0.1 1999 11.6 1971 66.3 1965 15.0 1966 17.2 1981 11.9 1976 5.8 1977 1.4 1997 0.1 1978 0.0 2010 0.0 2011 0.2 1993 2.6 1964 9.5 1973 15.0 1963 42.1 1991 16.4 1976 0.1 1987 11.0 2005 66.0 1968 14.8 1965 15.8 1978 11.7 1995 5.7 1989 1.4 1977 0.1 1977 0.0 2009 0.0 2010 0.2 1987 2.3 2008 9.5 1969 14.2 2009 41.6 1996 16.4 1965 0.1 1985 10.1 1969 65.3 1970 14.3 2009 15.0 2018 10.3 2018 5.7 1975 1.4 1975 0.1 1974 0.0 2008 0.0 2009 0.2 1964 2.2 1980 8.2 1962 14.2 1969 40.6 1987 16.1 1975 0.1 1981 9.6 1962 63.9 1981 14.3 1992 14.8 1985 10.2 1964 5.3 2008 1.3 1980 0.1 1973 0.0 2007 0.0 2008 0.1 2012 2.1 1988 7.8 1967 14.1 1996 39.9 2009 16.0 1987 0.1 1978 9.5 1972 63.0 1986 14.1 2013 14.7 2010 10.0 2010 5.2 1996 1.3 1968 0.1 1972 0.0 2006 0.0 2007 0.1 2010 2.0 2010 7.7 1972 14.0 2008 39.8 1969 15.9 1984 0.1 1977 9.3 1983 62.6 1987 13.8 1991 14.5 1970 9.5 1971 5.1 1983 1.2 1981 0.1 1971 0.0 2005 0.0 2006 0.1 2007 1.9 1987 7.1 1975 13.4 1968 39.5 1970 15.6 2006 0.1 1974 9.0 1980 61.5 2013 13.8 1982 13.9 1987 9.4 1979 4.7 2016 1.2 1974 0.1 1969 0.0 2004 0.0 2005 0.1 2005 1.8 2002 6.8 1980 12.8 1978 39.3 2011 15.4 1985 0.1 1973 8.5 1975 60.2 2001 13.6 2017 13.5 2003 9.3 1973 4.6 2012 1.1 2005 0.1 1967 0.0 2003 0.0 2004 0.1 1996 1.6 1974 6.6 1979 12.5 1992 38.6 1977 15.3 1986 0.1 1972 8.2 1967 58.8 1973 13.4 2001 13.2 2001 9.1 1996 4.5 1988 1.0 2019 0.1 1961 0.0 2002 0.0 2003 0.1 1995 1.4 1971 6.5 1989 12.4 1967 37.7 1981 15.0 2010 0.1 1971 7.7 1979 58.7 1978 13.1 1986 13.2 1994 9.0 1986 4.5 1973 0.9 2013 0.0 2018 0.0 2001 0.0 2002 0.1 1991 1.3 2012 6.5 1977 12.2 1982 37.5 1964 14.8 1973 0.1 1969 7.5 1964 58.4 1976 13.0 2011 12.9 2013 9.0 1975 4.4 2003 0.9 2012 0.0 2017 0.0 2000 0.0 2001 0.1 1990 1.3 1972 6.3 2016 12.1 1970 37.1 2013 14.8 1971 0.1 1968 7.3 1966 58.3 1964 12.5 1984 12.9 2012 8.9 2001 4.3 1981 0.9 1973 0.0 2016 0.0 1999 0.0 2000 0.1 1988 1.3 1962 6.1 1998 11.0 2005 36.3 1997 13.2 1980 0.1 1967 7.1 1998 57.6 1991 12.5 1978 12.5 1965 8.8 1980 4.3 1979 0.9 1962 0.0 2014 0.0 1998 0.0 1999 0.1 1983 1.2 1966 6.0 1983 10.7 2003 35.9 1962 12.7 2001 0.1 1966 7.1 1997 54.1 1980 12.4 2019 11.7 2009 7.8 2011 4.3 1976 0.8 1987 0.0 2013 0.0 1997 0.0 1998 0.1 1982 1.1 2007 6.0 1966 10.6 2017 35.1 1983 12.5 1964 0.1 1965 7.0 1992 53.7 2003 12.4 1964 11.3 1984 7.7 1993 4.1 2019 0.8 1965 0.0 2012 0.0 1996 0.0 1997 0.1 1977 1.1 1975 5.8 1976 10.6 1973 34.8 2001 12.2 2016 0.1 1964 6.8 2003 51.9 1995 12.0 1968 11.3 1973 7.6 1963 4.1 1997 0.7 1993 0.0 2010 0.0 1995 0.0 1996 0.1 1976 1.1 1970 5.6 1961 10.4 2007 32.3 1992 12.2 1974 0.1 1961 6.7 1977 51.4 1982 11.6 1981 11.0 2004 7.5 2005 4.0 2000 0.7 1991 0.0 2009 0.0 1994 0.0 1995 0.1 1973 1.0 1998 5.4 2017 10.3 1991 31.7 1978 12.0 1982 0.0 2018 6.6 1989 50.3 1984 11.4 2003 10.8 2008 7.2 1974 4.0 1995 0.7 1961 0.0 2008 0.0 1993 0.0 1994 0.1 1971 1.0 1994 5.3 1978 10.1 2012 31.6 2018 11.9 1978 0.0 2017 6.5 2016 49.0 1983 11.0 1961 10.3 2015 7.0 1984 4.0 1966 0.6 2001 0.0 2007 0.0 1992 0.0 1993 0.1 1965 0.7 1999 5.2 2013 9.9 2014 31.3 1966 11.8 2018 0.0 2016 6.5 2008 48.7 2009 10.9 2015 10.1 2016 7.0 1968 3.8 1998 0.6 1994 0.0 2006 0.0 1991 0.0 1992 0.1 1963 0.7 1991 5.1 1991 9.5 1990 31.2 2015 11.5 1977 0.0 2014 6.3 2012 47.9 1971 10.8 1970 10.1 2005 6.9 2016 3.8 1991 0.5 2018 0.0 2005 0.0 1990 0.0 1991 0.1 1962 0.7 1986 5.0 1995 9.4 1965 31.2 1984 11.3 2003 0.0 2013 6.3 1961 47.6 2005 10.5 1967 10.1 1964 6.6 2003 3.8 1974 0.5 2016 0.0 2004 0.0 1989 0.0 1990 0.0 2017 0.7 1985 4.9 2012 9.1 1999 30.6 1980 11.2 2008 0.0 2012 6.1 1976 46.6 1967 10.2 1995 9.9 2006 6.5 1972 3.7 1999 0.5 2015 0.0 2003 0.0 1988 0.0 1989 0.0 2016 0.7 1982 4.7 2007 9.1 1998 30.4 2006 11.0 2005 0.0 2010 6.0 2007 46.2 1966 9.8 1972 9.6 1976 6.1 1982 3.7 1971 0.5 2011 0.0 2002 0.0 1987 0.0 1988 0.0 2015 0.7 1979 4.7 2001 9.0 1980 30.4 2004 10.5 1988 0.0 2009 5.9 1991 46.1 2012 9.7 2000 9.6 1962 6.0 2004 3.5 1982 0.5 1969 0.0 2001 0.0 1986 0.0 1987 0.0 2014 0.7 1965 4.7 1964 8.8 1975 29.5 2003 10.3 1990 0.0 2008 5.8 2017 45.9 2008 9.6 1973 8.7 1971 5.8 2009 3.4 2006 0.5 1963 0.0 2000 0.0 1985 0.0 1986 0.0 2013 0.7 1961 4.3 1968 8.4 1984 29.1 1971 10.2 1989 0.0 2007 5.8 1981 45.8 1975 9.4 2006 8.3 1982 5.7 1988 3.2 2010 0.4 2017 0.0 1999 0.0 1984 0.0 1985 0.0 2011 0.6 1984 4.2 2008 8.2 2000 28.5 1994 10.0 1966 0.0 2006 5.7 1995 45.4 1992 8.9 1976 8.3 1975 5.6 2008 3.2 1965 0.4 2014 0.0 1998 0.0 1983 0.0 1984 0.0 2009 0.5 2011 4.2 1982 8.1 2004 28.1 2002 9.8 1963 0.0 2005 5.6 1978 44.5 1993 8.7 2004 7.9 1988 5.6 1966 3.1 2002 0.4 1966 0.0 1997 0.0 1982 0.0 1983 0.0 2008 0.5 1995 3.9 2004 7.7 1979 27.4 1976 9.6 1993 0.0 2004 5.3 2018 44.4 1997 8.6 1998 7.7 1999 5.5 2015 3.1 2001 0.3 2008 0.0 1996 0.0 1981 0.0 1982 0.0 2006 0.4 2017 3.9 1990 7.4 1993 26.5 1973 9.4 1983 0.0 2003 5.3 2013 43.9 2006 8.4 1962 7.7 1992 5.3 1978 3.1 1980 0.3 2004 0.0 1995 0.0 1980 0.0 1981 0.0 2004 0.4 2009 3.4 2006 7.4 1987 26.4 2012 9.0 2000 0.0 2002 5.2 1987 43.3 1977 8.3 1971 7.7 1967 4.8 2000 3.0 1967 0.3 2003 0.0 1994 0.0 1979 0.0 1980 0.0 2002 0.4 2000 3.1 1987 7.4 1983 25.2 1967 8.7 2011 0.0 2000 5.0 1982 43.0 2016 8.2 2012 7.5 2019 4.6 2014 2.8 1994 0.3 2002 0.0 1993 0.0 1978 0.0 1979 0.0 2001 0.4 1967 3.1 1970 7.3 1989 24.6 2017 8.7 1981 0.0 1998 4.8 1974 42.5 1961 8.1 1996 7.0 2007 4.5 2002 2.8 1985 0.3 1990 0.0 1992 0.0 1977 0.0 1978 0.0 2000 0.3 2015 3.0 2003 6.9 2016 24.6 2008 8.6 2012 0.0 1997 4.7 2001 41.9 2018 7.9 1994 6.9 1966 4.3 1977 2.6 2017 0.3 1989 0.0 1990 0.0 1976 0.0 1977 0.0 1999 0.3 1978 3.0 1992 6.9 1966 24.2 2000 8.4 2015 0.0 1996 4.4 1968 39.5 1988 7.7 2002 6.4 1989 4.3 1961 2.5 1962 0.3 1988 0.0 1988 0.0 1975 0.0 1976 0.0 1998 0.3 1976 3.0 1981 6.8 1997 24.2 1993 8.4 1991 0.0 1995 4.3 1990 39.1 2004 7.7 1969 6.3 1977 4.2 1989 2.4 2015 0.3 1985 0.0 1986 0.0 1974 0.0 1975 0.0 1997 0.2 2016 2.9 1974 6.8 1994 23.6 2019 8.2 1997 0.0 1994 4.3 1970 38.9 1972 7.3 2016 6.0 1974 4.1 1983 2.4 2005 0.3 1978 0.0 1984 0.0 1973 0.0 1974 0.0 1994 0.2 2014 2.9 1963 6.7 1986 23.0 1999 8.0 2002 0.0 1993 4.0 2004 38.8 2017 6.3 1999 6.0 1972 3.9 1991 2.2 1964 0.3 1976 0.0 1983 0.0 1972 0.0 1973 0.0 1992 0.2 1996 2.4 2018 6.4 1985 22.7 2005 8.0 1972 0.0 1992 3.5 2006 36.9 1998 6.1 1993 5.6 1993 3.8 2007 2.0 1992 0.3 1972 0.0 1982 0.0 1971 0.0 1972 0.0 1989 0.2 1990 2.4 2015 5.6 1972 21.7 1974 7.7 1967 0.0 1990 3.4 1986 36.1 1989 6.0 2018 5.4 2000 3.6 1990 1.8 1963 0.2 2007 0.0 1981 0.0 1970 0.0 1971 0.0 1985 0.2 1969 2.4 2014 5.5 2006 20.7 1988 7.4 1998 0.0 1988 3.1 1963 35.3 1994 5.4 1988 5.1 1980 3.4 1998 1.3 2009 0.2 2006 0.0 1980 0.0 1969 0.0 1970 0.0 1984 0.2 1963 2.4 1997 5.3 2011 20.4 1995 7.3 2009 0.0 1986 2.8 1999 34.8 2000 5.3 1989 4.8 1998 3.2 1981 1.2 1993 0.2 2000 0.0 1979 0.0 1968 0.0 1969 0.0 1981 0.1 2013 2.1 2000 4.6 2002 20.2 1972 7.2 2019 0.0 1984 2.7 2015 33.2 2015 5.0 1974 4.3 1997 3.1 1999 1.2 1972 0.2 1998 0.0 1976 0.0 1967 0.0 1968 0.0 1980 0.1 2004 2.1 1999 4.4 1971 20.1 1998 7.2 2004 0.0 1983 2.6 2014 33.2 2007 4.7 2014 4.2 2017 3.0 2012 1.1 2007 0.2 1992 0.0 1970 0.0 1966 0.0 1967 0.0 1978 0.1 1989 1.7 1986 3.7 2018 18.2 2016 6.9 1999 0.0 1982 2.6 2002 32.9 1999 4.6 2007 4.2 2002 2.9 1967 1.0 2018 0.2 1983 0.0 1968 0.0 1965 0.0 1966 0.0 1970 0.1 1977 1.4 1984 3.4 1977 17.1 2007 5.9 2014 0.0 1980 2.5 2000 31.8 2011 4.5 2005 3.4 1995 2.7 1997 1.0 2014 0.1 2009 0.0 1966 0.0 1964 0.0 1965 0.0 1968 0.1 1968 1.1 2011 3.3 2013 14.2 1975 5.9 1961 0.0 1979 2.1 1984 30.2 1974 4.2 1983 3.1 2011 2.1 2019 0.9 2004 0.1 1999 0.0 1965 0.0 1963 0.0 1963 0.0 1967 0.0 2006 0.8 2009 2.1 1974 13.5 1989 5.5 1994 0.0 1976 1.8 1994 29.3 1990 3.8 1975 2.0 1990 2.1 1994 0.8 1961 0.1 1986 0.0 1964 0.0 1962 0.0 1962 0.0 1966 0.0 2005 0.8 1994 1.7 1988 12.5 1990 5.2 2007 0.0 1970 1.6 2011 27.1 2002 3.4 2008 1.8 2014 1.7 1992 0.7 1987 0.1 1970 0.0 1963 0.0 1961 0.0 1961 0.0 1961 0.0 2001 0.7 2002 0.8 2015 9.8 2014 4.7 2017 0.0 1963 1.2 2009 25.0 2014 3.2 1990 1.5 1961 1.6 2017 0.5 2011 0.1 1964 3.9 1992