McMurdo temperature 1956 - - - -23.1 -18.8 -24.2 -23.7 -31.5 -19.8 -19.7 -8.8 -2.0 1957 -3.1 -8.1 -17.9 -23.8 -23.8 -23.7 -26.7 -25.4 -20.9 -20.0 -7.9 -2.6 1958 -1.8 -5.9 -19.1 -20.9 -25.2 -26.3 -31.3 -29.7 -26.6 -20.1 -8.8 -5.8 1959 -2.6 -10.1 -18.3 -21.0 -25.5 -23.5 -23.6 -30.5 -25.0 -25.0 -11.9 -2.7 1960 -6.2 -11.3 -21.6 -23.4 -21.6 -24.7 -28.1 -27.4 -22.8 -17.2 -10.5 -4.5 1961 -2.7 -8.6 -18.5 -17.0 -20.9 -23.7 -28.3 -28.4 -22.4 -21.5 -8.2 -4.1 1962 -3.6 -9.1 -23.1 -20.7 -22.8 -22.5 -28.3 -28.5 -29.5 -22.5 -10.0 -5.0 1963 -3.8 -10.1 -20.4 -23.6 -26.7 -22.4 -26.7 -25.6 -23.9 -19.2 -8.1 -3.6 1964 -4.6 -11.5 -18.5 -20.0 -27.1 -19.5 -21.9 -31.7 -24.3 -19.0 -7.4 -3.3 1965 -2.3 -7.9 -20.3 -20.4 -28.7 -27.9 -22.2 -24.5 -24.4 -18.7 -9.5 -1.6 1966 -3.5 -7.3 -11.2 -21.5 -27.8 -19.6 -23.3 -28.5 -25.6 -18.4 -8.5 -3.2 1967 -1.4 -5.3 -17.9 -24.1 -23.0 -20.3 -24.5 -23.0 -24.3 -21.0 -9.9 -3.1 1968 -3.1 -7.3 -14.8 -19.7 -23.2 -24.1 -26.2 -30.0 -33.1 -19.0 -9.4 -4.1 1969 -2.6 -9.3 -15.5 -21.5 -23.8 -24.4 -30.6 -25.3 -24.9 -19.2 -9.4 -2.3 1970 -1.6 -7.8 -12.4 -19.8 -24.4 -20.9 -25.4 -29.2 -23.6 -14.8 -10.2 -2.1 1971 -0.7 -9.0 -18.7 -16.5 -21.1 -23.1 -27.5 -26.0 -19.7 -19.0 -7.8 -2.7 1972 -2.8 -7.3 -15.1 -22.6 -18.7 -18.9 -23.5 -23.0 -21.6 -16.1 -10.0 -2.1 1973 -3.1 -11.9 -20.9 -21.3 -21.2 -22.5 -23.2 -22.1 -23.2 -15.7 -8.4 -4.5 1974 -1.7 -9.5 -20.0 -20.1 -20.6 -20.6 -28.5 -23.2 -29.9 -16.7 -8.1 -2.2 1975 -3.1 -8.0 -16.3 -21.5 -20.3 -22.5 -24.6 -30.4 -25.2 -21.7 -10.8 -5.3 1976 -2.6 -8.3 -16.7 -23.9 -26.7 -27.1 -21.1 -26.7 -25.3 -25.9 -11.8 -2.9 1977 -1.3 -11.6 -19.0 -21.9 -21.6 -24.2 -22.7 -23.2 -30.0 -19.4 -11.9 -5.4 1978 -5.9 -10.8 -15.7 -20.8 -22.6 -23.1 -27.2 -35.8 -24.3 -19.8 -10.4 -4.6 1979 -3.8 -9.0 -18.3 -18.3 -25.8 -21.7 -30.1 -30.1 -24.0 -21.3 -9.2 -3.9 1980 -3.7 -7.9 -17.9 -19.1 -19.1 -25.1 -23.1 -22.7 -24.9 -19.2 -8.8 -2.9 1981 -3.8 -9.2 -13.1 -24.4 -22.8 -19.9 -21.5 -24.8 -28.3 -20.3 -11.7 -3.5 1982 -3.4 -8.4 -21.0 -24.1 -24.2 -26.0 -28.6 -23.3 -26.8 -19.4 -9.8 -2.4 1983 -3.3 -12.5 -17.0 -16.2 -17.1 -24.5 -27.6 -25.3 -24.7 -18.4 -9.7 -3.5 1984 -2.9 -11.2 -15.0 -16.9 -18.9 -22.8 -23.3 -25.3 -24.2 -16.4 -8.2 -1.4 1985 -1.6 -11.6 -15.5 -21.9 -23.3 -24.3 -32.1 -26.3 -24.2 -18.0 -10.6 -4.4 1986 -3.4 -6.4 -16.6 -20.3 -19.0 -22.8 -25.0 -29.5 -31.3 -18.5 -10.6 -3.6 1987 0.0 -9.8 -19.8 -17.7 -19.5 - - -27.8 -21.0 -16.0 -6.8 -0.1 1988 -1.9 -9.8 -20.2 -18.8 -20.1 -20.7 -23.5 -17.5 -19.4 -18.8 -10.8 -5.7 1989 -4.8 -13.7 - -21.2 -27.6 -28.6 -24.3 -26.4 -22.8 -16.4 -9.9 -3.9 1990 -3.2 -11.0 -18.0 -21.2 -23.5 -25.0 -25.9 - -26.3 -17.9 -9.2 -2.3 1991 - -7.0 -19.2 -20.0 -25.8 -20.1 -25.5 -25.7 -20.5 - -8.0 -1.2 1992 -5.0 -10.0 -14.4 -22.3 -22.1 - -22.0 - - - -7.5 - 1993 -2.1 - -17.6 -20.1 -25.8 -25.0 -22.6 -28.2 -22.9 -19.1 -8.1 -2.4 1994 -2.2 -12.0 -20.9 -18.1 -27.4 -22.1 -24.1 -27.8 -27.2 -16.5 -8.8 - 1995 -3.0 -8.7 -19.7 -25.6 -26.7 -22.8 -25.5 -24.6 -25.0 -17.2 -8.3 -0.9 1996 -2.2 -7.4 -17.4 -16.6 -23.1 -22.8 -23.8 -20.2 -22.1 -18.7 -7.0 -1.2 1997 -2.8 -11.2 - - -22.5 -21.7 -26.2 -28.4 - -13.8 -5.2 -3.2 1998 - -7.1 -17.0 - - - - - - -15.9 -9.2 -2.7 1999 -1.8 -8.6 -17.6 -23.7 -24.7 -21.1 -20.1 -26.6 -19.3 -14.7 -6.9 -2.6 2000 -3.0 -10.2 -15.7 -18.5 -22.6 -24.7 -23.1 -25.5 -25.2 -19.9 -7.2 -3.2 2001 -5.2 -7.2 -18.9 -21.5 -22.5 -21.1 -22.4 -31.7 -23.6 -17.2 -8.4 -1.0 2002 -1.5 -7.8 -15.4 -20.6 -19.1 -27.4 -28.7 -30.0 -21.7 -16.7 -10.0 -4.6 2003 -2.1 -8.4 -17.4 -23.5 -20.1 -23.2 -22.1 -28.2 -22.7 -15.4 -9.7 -2.3 2004 -3.7 -8.8 -20.7 -20.8 -25.9 -24.6 -32.7 -29.7 -26.2 -17.7 -6.6 -1.2 2005 -2.4 -9.0 -17.6 -23.9 -20.2 -25.4 -25.8 -27.9 -23.7 -16.5 -8.6 -1.7 2006 -2.6 -7.9 -17.8 -25.0 -28.0 -22.1 -29.5 -19.9 -22.2 -18.7 -8.0 -4.0 2007 0.9 -10.0 -16.5 -21.1 -18.6 -19.7 -21.6 -22.2 -19.8 -19.1 -8.7 -2.2 2008 -2.1 -10.4 -16.1 -18.3 -22.3 -17.8 -26.0 -31.0 -18.9 -16.6 -10.4 -2.4 2009 -2.6 -11.4 -18.1 -17.4 -23.0 -22.2 -23.4 -25.3 -24.6 -18.7 -5.7 -2.4 2010 -2.8 -8.6 -15.9 -18.8 -22.5 -23.1 -25.8 -26.1 -25.7 -16.1 -7.2 -1.7 2011 -3.9 -8.8 -16.2 -19.3 -20.7 -19.9 -19.2 -19.8 -22.8 -17.3 -5.9 -2.3 2012 -3.1 -7.6 -15.9 -20.0 -16.9 -24.0 -24.8 -25.5 -21.4 -15.6 -8.6 -1.1 2013 -2.2 -9.2 -15.6 -24.0 -20.4 -22.1 -26.1 -23.6 -18.5 -16.0 -8.8 -1.7 2014 -1.0 -9.4 -17.6 -21.0 -17.9 -23.8 -29.1 -19.3 -16.6 -15.0 -9.9 -5.3 2015 -2.9 -6.6 -17.3 -24.1 -24.9 -23.5 -26.5 -26.1 -26.9 -16.7 -10.0 -3.2 2016 -2.5 -9.1 -17.5 -23.7 - -26.1 -28.7 -23.3 -24.7 -19.4 -9.3 -3.6 2017 -2.7 -8.5 -16.9 - -17.8 -23.2 -24.8 -23.0 -26.3 -15.7 -10.4 -4.8 2018 -3.2 -9.8 -15.1 -19.7 -22.5 -19.7 -24.3 -24.8 -24.5 -14.5 -7.8 -2.6 2019 -3.7 -7.7 -16.2 -19.5 -17.3 -23.6 -20.8 -22.8 -21.8 -17.2 -6.8 -2.2 2020 - -6.4 - - -21.6 -22.7 -23.3 -23.3 - -16.1 -9.2 -2.5 2021 -2.8 -9.2 - -25.3 -23.6 -22.3 -20.5 -29.2 -21.8 -15.4 -8.1 -2.1 2022 -3.2 -7.5 -14.1 -20.2 -17.5 -21.7 -20.2 -23.0 -22.4 - -11.9 -3.6 2023 -3.9 -7.9 -18.0 -20.5 -23.5 -21.1 -30.7 -32.0 -18.2 -19.1 -10.6 - 2024 - -12.1 -17.0 -20.1 -22.9 -20.4 -23.9 -20.2 -24.9 -15.3 -11.4 -2.3 2025 -3.1 -10.4 -18.3 -21.4 - - - - - - - -