Areal values from HadUK-Grid 1km gridded climate data from land surface network Source: Met Office National Climate Information Centre Monthly, seasonal and annual number of days in the month with air frost (minimum temperature below zero) for Scotland N Areal series, starting in 1960 Last updated 01-Oct-2024 14:54 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 25.7 1979 24.3 1963 22.1 1979 16.8 2021 9.0 1979 1.7 1964 0.1 1965 0.4 1973 1.7 1993 8.3 1992 19.8 1969 24.0 2010 63.2 2010 39.0 1979 2.0 1964 22.6 1985 113.9 1979 24.6 1984 24.3 1968 21.2 1969 15.5 1986 7.5 1968 1.4 1991 0.1 1973 0.3 1999 1.7 1975 8.0 1981 19.6 1985 24.0 1981 62.3 1963 37.4 2013 1.4 1991 20.9 1969 110.8 2010 24.1 1963 24.0 1986 21.0 1970 15.0 1983 7.2 1995 1.3 1975 0.1 1966 0.3 1977 1.7 1991 7.8 1973 16.9 1996 22.2 1976 58.4 1979 36.0 1970 1.3 1975 20.1 1993 106.3 1969 23.2 2021 23.2 1969 20.8 1962 14.6 1970 7.2 1996 1.3 1998 0.1 1962 0.3 1962 1.7 1974 7.4 2003 15.9 1965 21.6 1995 58.0 1977 35.4 1962 1.3 1998 19.9 2010 102.2 1968 22.9 1985 22.1 1970 20.3 2013 14.5 1966 7.0 1982 0.9 1985 0.1 2004 0.2 1964 1.6 1986 7.1 2012 15.6 2010 21.4 2009 56.2 1986 34.3 1969 1.1 2012 19.7 1973 101.7 1981 20.9 1978 21.5 1983 19.8 1987 13.5 2013 6.3 1994 0.9 2012 0.1 2000 0.2 1966 1.6 1972 7.0 2002 13.7 2019 21.0 1961 54.6 1994 33.8 1995 1.1 1977 18.9 2019 100.4 1985 20.8 2010 21.1 1979 19.2 1995 12.5 1962 5.8 2019 0.8 1977 0.0 1960 0.2 2012 1.3 2020 6.7 1987 12.8 1966 19.6 1965 54.3 1966 31.9 1968 0.9 1985 18.8 1992 98.5 1970 20.2 2001 21.0 2010 18.1 1965 12.1 1981 5.1 2012 0.7 2015 0.0 1970 0.2 2016 1.3 1960 6.4 1993 12.7 1961 19.6 1993 53.7 1970 30.9 1975 0.8 1978 17.5 1965 97.9 1986 20.1 1965 19.6 1960 17.7 1975 11.9 1973 4.9 2021 0.7 1978 0.0 1986 0.1 2014 1.2 1989 5.3 1980 12.3 1977 19.5 1996 53.4 1969 29.1 2021 0.8 1961 17.4 2012 97.8 1965 19.8 1986 19.4 1996 17.5 2001 11.5 2012 4.8 1977 0.7 1989 0.0 1964 0.1 1986 1.1 1984 5.2 2019 12.2 2023 18.4 2022 53.4 1968 28.7 1965 0.7 1999 17.3 1996 97.7 1963 19.6 1961 19.1 1991 17.2 2006 11.4 1989 4.7 1967 0.7 1961 0.0 1978 0.1 1982 1.0 2007 4.7 2008 12.1 1979 18.2 1968 52.3 1991 28.6 2001 0.7 2015 16.1 1966 95.7 1995 19.2 1987 19.0 1978 16.8 1980 11.2 1998 4.5 2010 0.7 2009 0.0 1963 0.1 1965 0.9 2010 4.5 1998 12.0 2016 18.2 1999 51.7 2018 28.4 2006 0.7 1989 16.0 1980 95.1 1966 18.8 1991 18.9 2016 16.2 1985 11.2 1977 4.3 1997 0.7 2001 0.0 2020 0.1 1967 0.9 1979 4.5 1997 12.0 1993 18.1 1960 50.8 1983 28.3 1981 0.7 1973 16.0 1998 92.5 1962 18.8 1966 18.9 2018 16.1 2018 10.9 1969 4.2 2015 0.6 1969 0.0 1961 0.1 2004 0.9 1997 4.2 1967 11.8 1971 18.0 1964 50.7 2011 28.2 1994 0.7 2009 15.7 1981 91.1 1996 18.7 1960 18.0 1977 15.3 2023 10.7 1978 4.1 2020 0.5 1986 0.0 2012 0.1 1969 0.7 2012 4.0 1964 11.8 1973 17.8 1989 50.7 1978 28.0 1966 0.7 1962 15.5 1971 89.8 1987 17.8 1994 17.7 2004 15.1 1988 10.7 2016 3.9 1975 0.4 1999 0.0 1972 0.1 1968 0.7 1969 3.8 2018 11.5 1972 17.5 1982 50.4 1996 27.7 1986 0.7 2001 14.8 2016 89.3 2001 17.8 1977 17.7 2013 14.9 2008 10.7 1968 3.8 2005 0.4 2000 0.0 1975 0.1 1960 0.6 1971 3.7 1994 11.4 1968 17.2 2012 50.2 1962 27.7 1987 0.6 1969 14.5 1972 88.9 1973 17.7 1981 17.3 1994 14.8 1984 9.8 2000 3.6 2013 0.4 2011 0.0 1974 0.0 2010 0.6 1977 3.4 1988 11.2 1998 17.2 2001 49.8 1987 27.7 1983 0.6 1986 14.2 2023 88.7 2013 17.7 1980 16.6 1987 13.8 1994 9.7 1967 3.5 1984 0.4 1981 0.0 2011 0.0 1987 0.6 1964 3.4 2010 10.9 1963 16.4 1992 49.7 1965 26.7 1967 0.5 2000 14.0 2008 86.1 1978 17.7 1995 16.6 2003 13.8 1968 9.5 2008 3.3 1993 0.4 1997 0.0 1995 0.0 2022 0.6 1995 3.3 1966 10.7 1962 16.1 2011 49.7 1997 26.1 1973 0.4 1981 13.8 1979 85.1 1977 17.6 2018 15.9 1966 13.6 1976 9.3 1975 3.2 1961 0.4 2008 0.0 1992 0.0 1975 0.5 1990 3.1 1971 10.6 1980 16.0 1973 49.3 1982 26.0 1985 0.4 2011 13.7 1961 84.2 2021 17.5 1997 15.9 2001 13.6 1996 8.4 1963 3.2 1980 0.4 1987 0.0 1977 0.0 1974 0.5 1983 2.9 1985 10.5 2005 16.0 1966 49.3 2001 25.7 1984 0.4 1987 13.4 1977 83.2 1960 17.4 2019 15.5 1972 13.5 1974 8.4 1974 3.1 1981 0.3 1962 0.0 1980 0.0 1981 0.5 1976 2.8 1983 10.4 1992 15.6 1963 48.4 2013 25.5 2008 0.4 1997 13.4 2003 83.2 1976 16.6 2003 15.5 1981 13.0 1981 8.4 2001 3.1 2006 0.3 2017 0.0 1968 0.0 2020 0.5 1963 2.8 2016 9.9 2013 15.5 2008 48.3 1985 25.4 1996 0.4 2008 13.3 1962 82.8 1994 16.4 1988 15.4 1985 12.9 2010 8.1 1994 3.0 1973 0.3 2021 0.0 1993 0.0 1993 0.4 2024 2.7 1970 9.7 2012 15.3 1969 47.7 2021 25.3 1978 0.4 2021 13.1 1987 82.4 2008 16.3 1970 15.3 1999 12.7 2020 8.1 2006 2.8 1963 0.3 1971 0.0 1979 0.0 2024 0.4 2003 2.4 1974 9.6 1982 15.3 2017 47.6 1984 25.1 1989 0.3 2017 12.7 1963 82.3 1983 16.1 1975 15.2 1962 12.6 1964 8.1 1990 2.8 1987 0.3 2005 0.0 2010 0.0 1992 0.3 2013 2.4 1962 9.4 2000 14.7 2003 47.6 1961 25.0 2010 0.3 2020 12.2 1968 82.1 1980 16.0 2015 15.1 1973 12.6 1972 8.0 1965 2.8 2001 0.3 1980 0.0 2019 0.0 1961 0.3 1998 2.3 1986 9.2 1991 14.5 2014 46.1 2004 24.4 2018 0.3 1971 12.1 2002 80.5 1975 16.0 2024 14.8 1995 12.3 1967 7.8 1979 2.8 1992 0.3 1983 0.0 1999 0.0 1998 0.3 1982 2.3 1975 9.2 2008 14.4 1990 45.8 1981 24.0 1988 0.3 1966 11.8 1991 80.3 2012 15.9 1976 14.6 2006 12.3 1978 7.8 1988 2.5 1965 0.3 2020 0.0 2017 0.0 1963 0.2 2002 2.2 2004 9.1 1960 14.3 1979 45.3 1995 24.0 1977 0.3 1980 11.8 1967 80.2 2018 15.4 1968 14.1 2020 12.2 1971 7.7 2015 2.5 2007 0.2 2024 0.0 1971 0.0 1978 0.2 1981 1.9 2023 8.6 2017 14.2 2023 44.8 2003 24.0 1982 0.3 2005 11.7 1986 80.0 1961 15.3 2008 13.9 2005 11.9 2022 7.6 2010 2.5 1985 0.2 1995 0.0 1982 0.0 1994 0.2 1962 1.7 2009 8.6 1970 14.2 2007 43.8 1980 23.9 1974 0.3 1983 11.6 1975 79.9 2016 15.2 2011 13.8 1976 11.8 2016 7.5 1984 2.3 1978 0.2 1973 0.0 2023 0.0 1971 0.2 2008 1.7 2015 8.2 1978 14.0 1986 43.1 2015 23.8 1980 0.3 1965 11.5 2013 78.8 1993 15.2 2016 13.5 2002 11.8 1989 7.4 1995 2.3 1966 0.2 1972 0.0 1988 0.0 1972 0.2 1992 1.6 1982 8.1 1976 13.9 1962 43.0 2016 23.8 2020 0.3 2024 11.5 1982 78.5 1984 15.1 2009 13.3 1975 11.6 1986 7.3 1961 2.2 1969 0.2 1988 0.0 1996 0.0 1980 0.2 1987 1.6 1990 7.7 1986 13.8 2021 42.7 2009 23.6 1998 0.2 1995 11.4 2005 78.3 1982 15.0 1972 13.1 2021 11.6 1982 7.3 1985 2.1 1974 0.2 2007 0.0 1976 0.0 2021 0.2 1973 1.6 1965 7.6 1989 13.6 1967 42.0 1988 23.5 2016 0.2 1972 11.4 1964 76.6 1991 14.9 1993 13.0 2022 11.2 1973 7.1 1971 2.0 1962 0.1 1974 0.0 1983 0.0 1988 0.2 2023 1.5 1976 7.5 1975 13.2 2000 41.7 2024 23.0 2015 0.2 1988 11.4 1970 75.9 1972 14.4 1982 12.9 1988 11.2 1993 7.0 2022 1.9 2002 0.1 1984 0.0 2021 0.0 1984 0.2 1994 1.5 1972 7.5 1967 12.9 1994 41.1 2008 22.7 2023 0.2 2016 10.9 1974 75.0 2019 14.0 1962 12.7 1997 11.1 1966 7.0 2018 1.8 1989 0.1 1996 0.0 2001 0.0 1983 0.1 2005 1.4 1963 7.5 1981 12.8 1987 40.1 1990 21.5 2012 0.2 1974 10.6 1988 74.2 1992 13.7 2012 12.7 2000 11.1 1960 7.0 2020 1.8 2014 0.1 2023 0.0 1967 0.0 2007 0.1 1985 1.2 1984 7.1 1988 12.7 1972 39.8 2002 21.2 1976 0.2 2007 10.6 1960 73.6 2003 13.6 2004 12.6 2015 11.0 2015 6.7 1997 1.8 1983 0.1 2013 0.0 1997 0.0 1979 0.1 1968 1.2 2013 7.1 1990 12.7 1970 39.7 2000 21.0 1971 0.2 1968 10.2 2000 72.6 1967 13.6 2023 12.6 1989 11.0 1983 6.7 2023 1.8 1998 0.1 1968 0.0 1981 0.0 1976 0.1 1988 1.0 2017 6.9 2009 12.6 1980 39.4 2023 20.9 1963 0.2 2004 10.1 1976 72.4 2009 13.5 2013 12.3 2017 10.8 2017 6.5 2024 1.7 1960 0.1 1965 0.0 2016 0.0 1985 0.1 1970 0.9 1961 6.8 1974 12.4 1985 39.4 1999 20.9 2000 0.1 1982 9.6 2017 72.4 2023 13.3 1998 12.2 1964 10.6 1998 6.4 1999 1.7 1971 0.1 2006 0.0 2007 0.0 1995 0.1 2004 0.9 1991 6.8 1964 11.7 1983 39.1 1973 19.1 2022 0.1 1984 9.6 1989 71.6 1964 12.9 2017 12.1 2009 10.5 2011 6.3 1992 1.6 2000 0.1 1970 0.0 2024 0.0 1970 0.1 1996 0.9 2021 6.7 2001 11.7 2002 39.0 2012 18.9 2005 0.1 2014 9.4 1983 70.6 1989 12.6 1999 11.8 1980 10.4 2024 6.2 1976 1.6 2011 0.1 2022 0.0 2015 0.0 1989 0.1 2021 0.8 1989 6.5 1995 11.5 1978 38.5 1975 18.8 1992 0.1 1996 9.2 2018 70.5 1998 12.4 1967 11.6 1965 10.0 1999 5.8 2002 1.5 2017 0.0 1979 0.0 2002 0.0 2005 0.1 2018 0.8 2005 6.2 1987 11.5 1998 38.0 1964 18.5 2019 0.1 2023 9.1 1990 69.7 1999 12.3 2006 11.6 2008 9.8 2007 5.8 2005 1.5 1976 0.0 1982 0.0 1969 0.0 2003 0.0 1965 0.8 1979 6.1 1983 11.5 2019 37.4 2006 18.1 1993 0.1 1967 8.7 2009 68.6 2015 12.0 1969 11.5 2011 9.7 1992 5.4 1982 1.5 2009 0.0 1994 0.0 1998 0.0 2013 0.0 1967 0.8 2000 5.6 2015 11.4 2020 37.3 1993 17.9 1972 0.1 2013 8.6 1978 68.1 2006 11.7 1983 11.5 2024 9.7 1963 5.2 1991 1.4 2003 0.0 1967 0.0 2009 0.0 2011 0.0 1999 0.7 2014 5.6 2004 10.9 1991 36.9 1976 17.8 1964 0.1 1960 7.9 2004 67.8 1988 11.6 1971 11.4 1984 9.6 2009 5.1 1987 1.3 1991 0.0 1976 0.0 1987 0.0 2008 0.0 1980 0.7 2011 5.6 2003 10.9 1977 36.4 1967 17.1 1999 0.1 1970 7.7 1995 67.2 2017 11.3 1973 11.2 1990 9.4 2000 5.1 1964 1.3 2018 0.0 1993 0.0 1990 0.0 2018 0.0 2022 0.7 2007 5.3 1999 10.5 2005 36.3 1972 17.0 2002 0.1 2022 7.5 1997 66.3 2000 11.2 1992 10.9 1982 9.3 2002 4.8 2019 1.2 1990 0.0 1963 0.0 2014 0.0 2019 0.0 2000 0.7 1968 5.3 2018 10.4 2004 36.2 2019 17.0 2024 0.1 2006 7.3 2015 64.4 1971 11.0 1990 10.1 1971 9.3 2005 4.7 1996 1.2 1988 0.0 2004 0.0 2006 0.0 1997 0.0 2017 0.6 1995 5.0 2007 10.1 2018 35.4 1974 16.8 2017 0.1 1963 6.8 1984 64.2 2005 10.4 2014 10.0 1974 9.2 2004 4.6 1972 1.1 2008 0.0 1990 0.0 1989 0.0 2001 0.0 1978 0.5 2020 4.8 2014 10.0 1984 34.4 1971 16.2 1960 0.1 1993 6.8 2001 63.6 1974 10.3 1964 10.0 1961 8.4 2003 4.5 2017 1.0 2004 0.0 1992 0.0 2005 0.0 1996 0.0 2001 0.5 1977 4.8 2002 9.8 1997 34.0 2022 15.6 1997 0.1 1979 6.7 2007 63.5 1997 9.5 1996 9.4 2014 8.0 1991 3.9 1980 1.0 2016 0.0 1960 0.0 2013 0.0 2015 0.0 2009 0.4 1999 4.5 1984 9.1 1974 33.5 2020 15.3 1990 0.1 1992 6.5 1994 63.4 2020 9.4 1974 9.3 2007 7.9 1977 3.7 1993 0.8 2023 0.0 2002 0.0 1985 0.0 2006 0.0 2019 0.4 1969 4.2 2006 9.0 2015 33.5 2005 15.1 2007 0.1 2010 5.8 1999 63.3 2002 9.2 2005 9.3 2012 7.9 2019 3.4 2009 0.8 1972 0.0 2018 0.0 1984 0.0 2023 0.0 2015 0.4 2022 3.9 2020 8.6 2013 32.5 2017 15.0 1961 0.0 1994 5.8 2020 62.2 2004 9.1 2007 8.8 1992 7.3 2021 3.4 1960 0.7 1999 0.0 2010 0.0 1991 0.0 1990 0.0 1961 0.4 1978 3.8 2021 8.3 2006 31.0 1992 14.5 1991 0.0 1976 5.6 2014 61.9 2022 9.0 2002 8.7 2019 6.1 2014 2.8 2007 0.6 1986 0.0 2016 0.0 2018 0.0 2000 0.0 2016 0.4 1996 3.7 2022 7.3 2016 28.3 2014 14.5 2009 0.0 1990 4.7 2021 61.1 1990 8.9 2000 8.0 1967 6.1 1990 2.5 2003 0.4 1970 0.0 2019 0.0 1994 0.0 2017 0.0 1966 0.3 2006 3.1 2011 7.3 1975 27.9 1998 13.1 2011 0.0 2019 4.4 2006 60.2 2011 8.0 2020 7.5 2023 4.9 2012 2.5 2014 0.2 2022 0.0 2014 0.0 2008 0.0 2002 0.0 2011 0.2 1960 2.6 1994 5.9 1971 26.7 2007 12.4 2004 0.0 2002 4.1 2022 54.6 2007 7.2 2022 6.0 1993 4.6 1997 2.2 2004 0.1 1964 0.0 1966 0.0 2022 0.0 2009 0.0 2006 0.0 2001 2.1 1997 3.7 1988 21.2 1989 12.3 2003 0.0 2018 3.8 2011 50.4 2014 4.9 1989 4.8 1998 4.5 1961 1.1 2011 0.0 2024 0.0 2003 0.0 2003 0.0 1991 0.0 2014 --- 2024 --- 2024 --- 2024 --- 1960 10.4 2014 0.0 2003 --- 2024 --- 2024