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-Mar-2024 10:45 year jan feb mar apr may jun jul aug sep oct nov dec win spr sum aut ann 1960 18.7 19.6 11.1 3.4 1.7 0.0 0.0 0.1 1.3 0.2 9.1 18.1 --- 16.2 0.1 10.6 83.2 1961 19.6 10.0 4.5 7.3 3.2 0.7 0.0 0.0 0.0 0.9 12.7 21.0 47.6 15.0 0.8 13.7 80.0 1962 14.0 15.2 20.8 12.5 2.0 0.3 0.1 0.3 0.2 2.4 10.7 13.9 50.2 35.4 0.7 13.3 92.5 1963 24.1 24.3 9.7 8.4 2.8 0.0 0.0 0.0 0.5 1.3 10.9 15.6 62.3 20.9 0.1 12.7 97.7 1964 10.3 12.2 12.6 5.1 0.1 1.7 0.0 0.2 0.6 4.0 6.8 18.0 38.0 17.8 2.0 11.4 71.6 1965 20.1 11.6 18.1 8.0 2.5 0.1 0.1 0.1 0.0 1.6 15.9 19.6 49.8 28.7 0.3 17.5 97.8 1966 18.8 15.9 11.1 14.5 2.3 0.0 0.1 0.2 0.0 3.3 12.8 16.0 54.3 28.0 0.3 16.1 95.1 1967 12.4 8.0 12.3 9.7 4.7 0.0 0.0 0.1 0.0 4.2 7.5 13.6 36.4 26.7 0.1 11.8 72.6 1968 15.4 24.3 13.8 10.7 7.5 0.1 0.0 0.1 0.1 0.7 11.4 18.2 53.4 31.9 0.2 12.2 102.2 1969 12.0 23.2 21.2 10.9 2.2 0.6 0.0 0.1 0.7 0.4 19.8 15.3 53.4 34.3 0.6 20.9 106.3 1970 16.3 22.1 21.0 14.6 0.4 0.1 0.0 0.0 0.1 2.7 8.6 12.7 53.7 36.0 0.1 11.4 98.5 1971 11.6 10.1 12.2 7.1 1.7 0.3 0.0 0.0 0.6 3.1 11.8 5.9 34.4 21.0 0.3 15.5 64.4 1972 15.0 15.5 12.6 4.6 0.8 0.2 0.0 0.0 1.6 1.5 11.5 12.7 36.3 17.9 0.2 14.5 75.9 1973 11.3 15.1 11.2 11.9 3.0 0.2 0.1 0.4 0.2 7.8 11.8 16.0 39.1 26.1 0.7 19.7 88.9 1974 9.4 10.0 13.5 8.4 2.1 0.1 0.0 0.0 1.7 2.4 6.8 9.1 35.4 23.9 0.2 10.9 63.6 1975 16.1 13.3 17.7 9.3 3.9 1.3 0.0 0.0 1.7 2.3 7.5 7.3 38.5 30.9 1.3 11.6 80.5 1976 15.9 13.8 13.6 6.2 1.5 0.0 0.0 0.0 0.5 1.5 8.1 22.2 36.9 21.2 0.0 10.1 83.2 1977 17.8 18.0 7.9 11.2 4.8 0.8 0.0 0.3 0.6 0.5 12.3 10.9 58.0 24.0 1.1 13.4 85.1 1978 20.9 19.0 12.3 10.7 2.3 0.7 0.0 0.0 0.0 0.4 8.2 11.5 50.7 25.3 0.8 8.6 86.1 1979 25.7 21.1 22.1 7.8 9.0 0.0 0.0 0.0 0.9 0.8 12.1 14.3 58.4 39.0 0.1 13.8 113.9 1980 17.7 11.8 16.8 3.9 3.2 0.3 0.0 0.0 0.0 5.3 10.6 12.6 43.8 23.8 0.3 16.0 82.1 1981 17.7 15.5 13.0 12.1 3.1 0.4 0.0 0.0 0.2 8.0 7.5 24.0 45.8 28.3 0.4 15.7 101.7 1982 14.4 10.9 11.6 5.4 7.0 0.0 0.0 0.1 0.3 1.6 9.6 17.5 49.3 24.0 0.1 11.5 78.4 1983 11.7 21.5 11.0 15.0 1.8 0.3 0.0 0.0 0.5 2.8 6.1 11.7 50.8 27.7 0.3 9.4 82.3 1984 24.6 11.4 14.8 7.5 3.5 0.1 0.0 0.0 1.1 1.2 4.5 10.0 47.6 25.7 0.1 6.8 78.5 1985 22.9 15.4 16.2 7.3 2.5 0.9 0.0 0.0 0.1 2.9 19.6 12.4 48.3 26.0 0.9 22.6 100.4 1986 19.8 24.0 11.6 15.5 0.6 0.5 0.0 0.1 1.6 2.3 7.7 14.0 56.2 27.7 0.6 11.7 97.9 1987 19.2 16.6 19.8 5.1 2.8 0.4 0.0 0.0 0.2 6.7 6.2 12.8 49.8 27.7 0.4 13.1 89.8 1988 16.4 12.9 15.1 7.8 1.2 0.2 0.0 0.0 0.1 3.4 7.1 3.7 42.0 24.0 0.2 10.6 67.8 1989 4.9 12.6 11.8 11.4 1.8 0.7 0.0 0.0 1.2 0.8 7.6 17.8 21.2 25.1 0.7 9.6 70.6 1990 11.0 11.2 6.1 8.1 1.2 0.0 0.0 0.0 0.5 1.6 7.1 14.4 40.1 15.3 0.0 9.1 61.1 1991 18.8 19.1 8.0 5.2 1.3 1.4 0.0 0.0 1.7 0.9 9.2 10.9 52.3 14.5 1.4 11.8 76.6 1992 11.2 8.8 9.7 6.3 2.8 0.0 0.0 0.0 0.2 8.3 10.4 16.4 31.0 18.8 0.1 18.8 74.2 1993 14.9 6.0 11.2 3.7 3.3 0.0 0.0 0.0 1.7 6.4 12.0 19.6 37.3 18.1 0.1 20.1 78.8 1994 17.8 17.3 13.8 8.1 6.3 0.0 0.0 0.0 0.2 3.7 2.6 12.9 54.6 28.2 0.0 6.5 82.8 1995 17.7 14.8 19.2 7.4 7.2 0.2 0.0 0.0 0.6 0.6 6.5 21.6 45.3 33.8 0.2 7.7 95.7 1996 9.5 19.4 13.6 4.7 7.2 0.1 0.0 0.0 0.1 0.4 16.9 19.5 50.4 25.4 0.1 17.3 91.1 1997 17.5 12.7 4.6 6.7 4.3 0.4 0.0 0.0 0.9 4.5 2.1 9.8 49.7 15.6 0.4 7.5 63.5 1998 13.3 4.8 10.6 11.2 1.8 1.3 0.0 0.0 0.3 4.5 11.2 11.5 27.9 23.6 1.3 16.0 70.5 1999 12.6 15.3 10.0 6.4 0.7 0.4 0.0 0.3 0.0 0.4 5.3 18.2 39.4 17.1 0.7 5.8 69.7 2000 8.9 12.7 9.4 9.8 1.6 0.4 0.1 0.0 0.0 0.8 9.4 13.2 39.7 20.9 0.5 10.2 66.3 2001 20.2 15.9 17.5 8.4 2.8 0.7 0.0 0.0 0.0 0.0 6.7 17.2 49.3 28.6 0.7 6.8 89.3 2002 9.0 13.5 9.3 5.8 1.9 0.0 0.0 0.0 0.2 7.0 4.8 11.7 39.8 17.0 0.0 12.1 63.4 2003 16.6 16.6 8.4 2.5 1.4 0.0 0.0 0.0 0.4 7.4 5.6 14.7 44.8 12.3 0.0 13.4 73.6 2004 13.6 17.7 9.2 2.2 1.0 0.0 0.1 0.1 0.1 2.2 5.6 10.4 46.1 12.4 0.2 7.9 62.2 2005 9.2 13.9 9.3 5.8 3.8 0.3 0.0 0.0 0.1 0.8 10.5 10.5 33.5 18.9 0.3 11.4 64.2 2006 12.3 14.6 17.2 8.1 3.1 0.1 0.0 0.0 0.0 0.3 4.2 8.3 37.4 28.4 0.1 4.4 68.1 2007 9.1 9.3 9.8 2.8 2.5 0.2 0.0 0.0 1.0 0.7 5.0 14.2 26.7 15.1 0.2 6.7 54.6 2008 15.3 11.6 14.9 9.5 1.1 0.4 0.0 0.0 0.2 4.7 9.2 15.5 41.1 25.5 0.4 14.0 82.4 2009 15.1 12.1 9.6 3.4 1.5 0.7 0.0 0.0 0.0 1.7 6.9 21.4 42.7 14.5 0.7 8.7 72.4 2010 20.8 21.0 12.9 7.6 4.5 0.0 0.0 0.0 0.9 3.4 15.6 24.0 63.2 25.0 0.1 19.9 110.8 2011 15.2 11.5 10.5 1.1 1.6 0.4 0.0 0.0 0.0 0.7 3.1 16.1 50.7 13.1 0.4 3.8 60.2 2012 13.7 9.3 4.9 11.5 5.1 0.9 0.0 0.2 0.7 7.1 9.7 17.2 39.0 21.5 1.1 17.5 80.3 2013 13.5 17.7 20.3 13.5 3.6 0.1 0.0 0.0 0.3 1.2 9.9 8.6 48.4 37.4 0.1 11.5 88.7 2014 10.4 9.4 6.1 2.5 1.8 0.0 0.0 0.1 0.0 0.7 4.8 14.5 28.3 10.4 0.1 5.6 50.4 2015 16.0 12.6 11.0 7.7 4.2 0.7 0.0 0.0 0.0 1.7 5.6 9.0 43.1 23.0 0.7 7.3 68.6 2016 15.2 18.9 11.8 10.7 1.0 0.0 0.0 0.2 0.0 2.8 12.0 7.3 43.0 23.5 0.2 14.8 79.9 2017 12.9 12.3 10.8 4.5 1.5 0.3 0.0 0.0 0.0 1.0 8.6 15.3 32.5 16.8 0.3 9.6 67.2 2018 17.6 18.9 16.1 7.0 1.3 0.0 0.0 0.0 0.1 3.8 5.3 10.1 51.8 24.4 0.0 9.2 80.2 2019 17.4 8.7 7.9 4.8 5.8 0.0 0.0 0.0 0.0 5.2 13.7 11.5 36.2 18.5 0.0 18.9 75.0 2020 8.0 14.1 12.7 7.0 4.1 0.3 0.0 0.0 1.3 0.5 3.9 11.4 33.5 23.8 0.3 5.8 63.4 2021 23.2 13.1 7.3 16.8 4.9 0.3 0.0 0.0 0.1 0.9 3.8 13.8 47.7 29.1 0.3 4.7 84.2 2022 7.3 13.0 11.8 7.0 0.2 0.0 0.0 0.0 0.0 0.4 3.7 18.3 34.2 19.0 0.1 4.2 61.9 2023 13.8 7.4 15.4 7.2 0.8 0.1 0.0 0.0 0.2 2.1 12.5 14.3 39.6 23.4 0.1 14.8 73.9 2024 16.0 11.5 41.7