Every January in Mcgrath, AK from 1940 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.
| Year | Mean, °F | Rank | High, °F | Rank | Low, °F | Rank | Precipitation, in | Rank | Days missing |
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| 2026 | -14.5 | 66 | -5.5 | 68 | -23.6 | 64 | | | 0 |
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| 2025 | 9.4 | 6 | 19.2 | 4 | -0.4 | 6 | | | 3 |
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| 2024 | -8.5 | 45 | 0.6 | 47 | -17.6 | 44 | | | 0 |
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| 2023 | 4.1 | 11 | 14.2 | 9 | -6.1 | 14 | | | 0 |
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| 2022 | | | | | | | | | 8 |
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| 2021 | 1.7 | 13 | 9.4 | 15 | -6 | 13 | | | 0 |
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| 2020 | -24.4 | 81 | -16 | 81 | -32.8 | 79 | | | 0 |
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| 2019 | -3.2 | 27 | 6.2 | 25 | -12.5 | 28 | | | 0 |
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| 2018 | -4.1 | 31 | 5.3 | 28 | -13.4 | 30 | | | 0 |
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| 2017 | -6.8 | 41 | 3.5 | 37 | -17 | 43 | | | 0 |
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| 2016 | 8.5 | 7 | 17.5 | 6 | -0.5 | 7 | | | 0 |
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| 2015 | -5.4 | 37 | 3.1 | 39 | -13.8 | 34 | | | 0 |
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| 2014 | 13.5 | 2 | 21.2 | 3 | 5.8 | 2 | 1.60 | 17 | 0 |
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| 2013 | 1.4 | 15 | 10.6 | 13 | -7.9 | 16 | 2.52 | 4 | 0 |
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| 2012 | -28.5 | 84 | -17.8 | 84 | -39.3 | 84 | 1.01 | 32 | 0 |
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| 2011 | -4.7 | 32 | 4.2 | 33 | -13.6 | 31 | 0.53 | 41 | 0 |
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| 2010 | -9.8 | 48 | -1.1 | 51 | -18.4 | 46 | 0.44 | 52 | 0 |
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| 2009 | -11.3 | 52 | -2.7 | 57 | -19.9 | 50 | 2.50 | 5 | 0 |
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| 2008 | -4.7 | 32 | 4.2 | 33 | -13.6 | 31 | 1.16 | 27 | 0 |
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| 2007 | -5.7 | 38 | 3.8 | 36 | -15.2 | 40 | 1.29 | 23 | 0 |
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| 2006 | -22.2 | 78 | -15.3 | 80 | -29.2 | 75 | 0.13 | 73 | 0 |
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| 2005 | -7.6 | 42 | 2.4 | 41 | -17.6 | 44 | 2.13 | 8 | 0 |
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| 2004 | -14.1 | 64 | -4.2 | 59 | -23.9 | 65 | 0.32 | 58 | 0 |
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| 2003 | -5.1 | 35 | 4.1 | 35 | -14.4 | 36 | 0.15 | 72 | 0 |
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| 2002 | 4.5 | 9 | 13 | 11 | -4.1 | 9 | 2.18 | 7 | 0 |
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| 2001 | 10.1 | 5 | 17.9 | 5 | 2.3 | 5 | 0.19 | 67 | 0 |
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| 2000 | -7.7 | 43 | 1.4 | 44 | -16.8 | 42 | 2.45 | 6 | 0 |
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| 1999 | -15.2 | 68 | -5 | 64 | -25.4 | 71 | 1.04 | 30 | 0 |
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| 1998 | -12 | 58 | -4.4 | 60 | -19.6 | 49 | 0.51 | 43 | 0 |
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| 1997 | -12.6 | 60 | -3 | 58 | -22.3 | 60 | 0.47 | 48 | 0 |
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| 1996 | -11.9 | 56 | -4.4 | 60 | -19.4 | 48 | 1.31 | 22 | 0 |
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| 1995 | -5.2 | 36 | 3.2 | 38 | -13.6 | 31 | 0.50 | 45 | 0 |
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| 1994 | -1.1 | 21 | 6.1 | 26 | -8.3 | 17 | 1.96 | 12 | 0 |
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| 1993 | -1.1 | 21 | 7.3 | 21 | -9.4 | 21 | 3.74 | 1 | 0 |
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| 1992 | -3.3 | 28 | 5.2 | 31 | -11.7 | 27 | 0.19 | 67 | 0 |
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| 1991 | -2.9 | 26 | 5.3 | 28 | -11.1 | 26 | 0.74 | 38 | 0 |
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| 1990 | -11.2 | 51 | -1.6 | 53 | -20.8 | 56 | 1.24 | 25 | 0 |
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| 1989 | -27.5 | 83 | -17.7 | 83 | -37.4 | 82 | 1.78 | 15 | 0 |
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| 1988 | -3.6 | 29 | 5.3 | 28 | -12.5 | 28 | 0.62 | 40 | 0 |
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| 1987 | -0.2 | 17 | 8.2 | 17 | -8.5 | 19 | 1.51 | 18 | 0 |
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| 1986 | -5.9 | 39 | 3.1 | 39 | -14.8 | 38 | 0.23 | 66 | 0 |
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| 1985 | 12.1 | 3 | 21.4 | 2 | 2.9 | 4 | 1.36 | 21 | 0 |
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| 1984 | -8 | 44 | 0.2 | 48 | -16.1 | 41 | 1.43 | 19 | 0 |
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| 1983 | -15.2 | 68 | -5.7 | 69 | -24.7 | 69 | 0.18 | 70 | 0 |
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| 1982 | -11.5 | 55 | -1.2 | 52 | -21.9 | 59 | 0.51 | 43 | 0 |
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| 1981 | 14.4 | 1 | 22.7 | 1 | 6.1 | 1 | 0.39 | 55 | 0 |
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| 1980 | -13.4 | 61 | -2.4 | 56 | -24.5 | 68 | 1.65 | 16 | 0 |
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| 1979 | -0.7 | 18 | 7.1 | 23 | -8.4 | 18 | 1.10 | 29 | 0 |
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| 1978 | 4.8 | 8 | 12.9 | 12 | -3.4 | 8 | 0.17 | 71 | 0 |
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| 1977 | 10.5 | 4 | 17.1 | 7 | 3.9 | 3 | 0.31 | 61 | 0 |
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| 1976 | -14.1 | 64 | -5.2 | 66 | -23.1 | 63 | 1.03 | 31 | 0 |
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| 1975 | -14.7 | 67 | -5.4 | 67 | -24 | 66 | 1.41 | 20 | 0 |
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| 1974 | -11.3 | 52 | -2 | 54 | -20.5 | 52 | 0.37 | 56 | 0 |
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| 1973 | -18.2 | 74 | -7.4 | 72 | -29.1 | 74 | 1.27 | 24 | 0 |
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| 1972 | -15.5 | 70 | -6.3 | 70 | -24.8 | 70 | 1.21 | 26 | 0 |
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| 1971 | -27.4 | 82 | -16.5 | 82 | -38.4 | 83 | 0.46 | 49 | 0 |
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| 1970 | -22.9 | 80 | -12.6 | 79 | -33.2 | 81 | 0.19 | 67 | 0 |
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| 1969 | -12.5 | 59 | -4.9 | 63 | -20.2 | 51 | 0.32 | 58 | 0 |
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| 1968 | -4.9 | 34 | 4.3 | 32 | -14.1 | 35 | 0.98 | 33 | 0 |
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| 1967 | -10.7 | 50 | -0.8 | 49 | -20.7 | 54 | 0.42 | 53 | 0 |
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| 1966 | -20.4 | 77 | -11.3 | 77 | -29.5 | 76 | 0.48 | 47 | 0 |
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| 1965 | -11.3 | 52 | -0.9 | 50 | -21.8 | 58 | 0.40 | 54 | 0 |
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| 1964 | -13.7 | 63 | -5.1 | 65 | -22.3 | 60 | 0.13 | 73 | 0 |
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| 1963 | 1.4 | 15 | 8.1 | 19 | -5.4 | 11 | 0.46 | 49 | 0 |
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| 1962 | -9.7 | 47 | 1.4 | 44 | -20.7 | 54 | 0.83 | 36 | 0 |
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| 1961 | -1.7 | 24 | 7.4 | 20 | -10.7 | 23 | 0.10 | 75 | 0 |
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| 1960 | -2 | 25 | 5.7 | 27 | -9.6 | 22 | 2.09 | 10 | 0 |
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| 1959 | -11.9 | 56 | -2.2 | 55 | -21.7 | 57 | 0.28 | 63 | 0 |
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| 1958 | -6.4 | 40 | 2 | 42 | -14.8 | 38 | 0.36 | 57 | 0 |
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| 1957 | 4 | 12 | 13.1 | 10 | -5.1 | 10 | 3.67 | 2 | 0 |
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| 1956 | -17.9 | 73 | -8.7 | 74 | -27 | 72 | 1.11 | 28 | 0 |
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| 1955 | -0.9 | 19 | 9.2 | 16 | -10.9 | 25 | 0.80 | 37 | 0 |
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| 1954 | -13.6 | 62 | -4.5 | 62 | -22.8 | 62 | 0.63 | 39 | 0 |
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| 1953 | -17.6 | 72 | -6.5 | 71 | -28.8 | 73 | 0.27 | 64 | 0 |
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| 1952 | -18.6 | 75 | -7.5 | 73 | -29.7 | 77 | 0.95 | 34 | 0 |
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| 1951 | -16.9 | 71 | -9.6 | 75 | -24.2 | 67 | 0.89 | 35 | 0 |
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| 1950 | -1.3 | 23 | 8.2 | 17 | -10.8 | 24 | 1.80 | 14 | 0 |
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| 1949 | -10.3 | 49 | 1.4 | 44 | -20.5 | 52 | 2.13 | 8 | 2 |
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| 1948 | -3.8 | 30 | 7 | 24 | -14.6 | 37 | 1.82 | 13 | 0 |
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| 1947 | -22.5 | 79 | -12 | 78 | -33 | 80 | 1.98 | 11 | 0 |
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| 1946 | -0.9 | 19 | 7.3 | 21 | -9 | 20 | 0.52 | 42 | 1 |
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| 1945 | 4.5 | 9 | 14.7 | 8 | -5.8 | 12 | 0.26 | 65 | 0 |
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| 1944 | -8.5 | 45 | 2 | 42 | -19 | 47 | 0.32 | 58 | 0 |
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| 1943 | -19.9 | 76 | -9.7 | 76 | -30.2 | 78 | 0.46 | 49 | 0 |
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| 1942 | 1.5 | 14 | 10.4 | 14 | -7.4 | 15 | 0.49 | 46 | 1 |
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| 1941 | | | | | | | 0.31 | 61 | 31 |
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| 1940 | | | | | | | 2.92 | 3 | 31 |
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