Every August in Mcgrath, AK from 1939 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 | 55.9 | 26 | 63.5 | 36 | 48.4 | 11 | 4.68 | 7 | 0 |
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| 2025 | | | | | | | | | 7 |
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| 2024 | 53.9 | 49 | 61 | 60 | 47.1 | 23 | 4.11 | 14 | 2 |
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| 2023 | 57.7 | 5 | 65.3 | 22 | 50.2 | 2 | 4.61 | 8 | 0 |
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| 2022 | | | | | | | | | 5 |
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| 2021 | | | | | | | | | 17 |
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| 2020 | 57.7 | 5 | 68.3 | 8 | 47 | 24 | 2.18 | 62 | 0 |
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| 2019 | 56 | 24 | 65.5 | 20 | 46.6 | 33 | 2.42 | 56 | 0 |
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| 2018 | 56 | 24 | 62 | 52 | 49.9 | 4 | 5.41 | 4 | 0 |
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| 2017 | 55.6 | 29 | 63.3 | 39 | 47.9 | 16 | 4.37 | 10 | 0 |
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| 2016 | 59.3 | 3 | 67.1 | 13 | 51.5 | 1 | 3.77 | 21 | 0 |
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| 2015 | 54.4 | 43 | 61.8 | 53 | 47 | 24 | 2.74 | 44 | 0 |
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| 2014 | 57.1 | 14 | 65.9 | 18 | 48.3 | 13 | 1.74 | 75 | 0 |
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| 2013 | 56.6 | 19 | 64.4 | 31 | 48.9 | 8 | 2.59 | 52 | 0 |
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| 2012 | 54.3 | 44 | 62.8 | 45 | 45.9 | 43 | 3.12 | 37 | 0 |
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| 2011 | 53.5 | 55 | 61.4 | 56 | 45.5 | 50 | 3.82 | 19 | 0 |
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| 2010 | 56.2 | 22 | 64.2 | 32 | 48.3 | 13 | 2.61 | 50 | 0 |
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| 2009 | 53 | 60 | 63.8 | 34 | 42.3 | 80 | 0.87 | 84 | 0 |
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| 2008 | 53.9 | 49 | 65.4 | 21 | 42.5 | 78 | 1.56 | 78 | 0 |
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| 2007 | 58.6 | 4 | 68.6 | 5 | 48.7 | 9 | 3.73 | 22 | 0 |
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| 2006 | 53.4 | 57 | 60.6 | 65 | 46.1 | 40 | 4.19 | 13 | 0 |
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| 2005 | 57.1 | 14 | 67.4 | 10 | 46.8 | 28 | 2.12 | 65 | 0 |
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| 2004 | 60.5 | 2 | 71 | 2 | 50 | 3 | 1.13 | 82 | 0 |
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| 2003 | 55.8 | 28 | 65.1 | 23 | 46.5 | 34 | 2.27 | 60 | 0 |
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| 2002 | 53.6 | 52 | 64.5 | 27 | 42.8 | 74 | 2.18 | 62 | 0 |
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| 2001 | 55.6 | 29 | 64.5 | 27 | 46.7 | 30 | 2.18 | 62 | 0 |
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| 2000 | 51.4 | 78 | 58.6 | 79 | 44.1 | 58 | 3.23 | 33 | 0 |
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| 1999 | 55.6 | 29 | 64.8 | 25 | 46.4 | 36 | 2.82 | 42 | 0 |
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| 1998 | 50.5 | 80 | 57.4 | 83 | 43.7 | 63 | 5.41 | 4 | 0 |
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| 1997 | 57.7 | 5 | 65.7 | 19 | 49.7 | 5 | 2.49 | 53 | 0 |
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| 1996 | 52.2 | 65 | 60.9 | 62 | 43.5 | 66 | 4.25 | 12 | 0 |
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| 1995 | 54.2 | 46 | 62.4 | 50 | 46.1 | 40 | 1.57 | 77 | 0 |
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| 1994 | 55.2 | 33 | 63.6 | 35 | 46.7 | 30 | 3.48 | 26 | 0 |
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| 1993 | 55 | 35 | 62.6 | 46 | 47.5 | 22 | 3.96 | 17 | 0 |
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| 1992 | 55.3 | 32 | 62.9 | 44 | 47.7 | 19 | 1.93 | 71 | 0 |
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| 1991 | 53.6 | 52 | 62.6 | 46 | 44.5 | 55 | 2.96 | 41 | 0 |
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| 1990 | 57.6 | 8 | 66.7 | 14 | 48.4 | 11 | 3.37 | 30 | 0 |
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| 1989 | 56.8 | 18 | 64.5 | 27 | 49 | 6 | 3.92 | 18 | 0 |
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| 1988 | 54.5 | 41 | 63.1 | 42 | 45.8 | 45 | 2.71 | 46 | 0 |
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| 1987 | 56.6 | 19 | 66.7 | 14 | 46.5 | 34 | 1.66 | 76 | 0 |
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| 1986 | 52.2 | 65 | 59.9 | 75 | 44.5 | 55 | 2.66 | 48 | 0 |
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| 1985 | 52 | 68 | 60.1 | 72 | 43.8 | 62 | 3.06 | 39 | 0 |
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| 1984 | 51.7 | 74 | 60.1 | 72 | 43.2 | 69 | 2.28 | 59 | 0 |
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| 1983 | 50.4 | 81 | 58.2 | 80 | 42.7 | 76 | 3.79 | 20 | 0 |
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| 1982 | 54.6 | 39 | 63.1 | 42 | 46.2 | 38 | 2.73 | 45 | 0 |
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| 1981 | 52.9 | 61 | 62.6 | 46 | 43.2 | 69 | 2.65 | 49 | 0 |
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| 1980 | 52 | 68 | 60.9 | 62 | 43.1 | 72 | 2.46 | 54 | 0 |
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| 1979 | 56.9 | 17 | 66 | 17 | 47.8 | 18 | 1.87 | 72 | 0 |
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| 1978 | 57.5 | 11 | 69.5 | 3 | 45.6 | 47 | 2.25 | 61 | 0 |
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| 1977 | 61 | 1 | 73 | 1 | 49 | 6 | 1.46 | 79 | 0 |
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| 1976 | 56.1 | 23 | 68.6 | 5 | 43.5 | 66 | 0.91 | 83 | 0 |
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| 1975 | 54 | 47 | 64.8 | 25 | 43.2 | 69 | 2.33 | 58 | 0 |
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| 1974 | 57.5 | 11 | 67.2 | 11 | 47.9 | 16 | 2.02 | 69 | 0 |
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| 1973 | 51.7 | 74 | 60.6 | 65 | 42.7 | 76 | 3.47 | 27 | 0 |
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| 1972 | 57.6 | 8 | 66.5 | 16 | 48.7 | 9 | 2.61 | 50 | 0 |
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| 1971 | 55.9 | 26 | 64.9 | 24 | 46.9 | 26 | 2.07 | 67 | 0 |
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| 1970 | 52.6 | 62 | 61.4 | 56 | 43.7 | 63 | 2.35 | 57 | 0 |
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| 1969 | 48.4 | 83 | 58 | 82 | 38.8 | 83 | 2.67 | 47 | 0 |
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| 1968 | 56.3 | 21 | 68.4 | 7 | 44.3 | 57 | 0.80 | 85 | 0 |
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| 1967 | 54.9 | 38 | 63.5 | 36 | 46.3 | 37 | 3.41 | 28 | 0 |
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| 1966 | 51.6 | 77 | 60.6 | 65 | 42.5 | 78 | 2.06 | 68 | 0 |
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| 1965 | 51.9 | 72 | 58.8 | 78 | 45.1 | 53 | 3.41 | 28 | 0 |
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| 1964 | 54.6 | 39 | 63.9 | 33 | 45.3 | 52 | 1.78 | 74 | 0 |
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| 1963 | 52 | 68 | 60 | 74 | 44.1 | 58 | 2.45 | 55 | 0 |
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| 1962 | 54.5 | 41 | 63.4 | 38 | 45.7 | 46 | 1.85 | 73 | 0 |
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| 1961 | 52.3 | 64 | 60.8 | 64 | 43.7 | 63 | 3.02 | 40 | 0 |
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| 1960 | 53.3 | 58 | 61 | 60 | 45.6 | 47 | 3.49 | 24 | 0 |
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| 1959 | 54.3 | 44 | 64.5 | 27 | 44 | 60 | 3.20 | 35 | 0 |
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| 1958 | 53.6 | 52 | 62.2 | 51 | 45 | 54 | 3.73 | 22 | 0 |
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| 1957 | 57.6 | 8 | 67.2 | 11 | 48.1 | 15 | 1.21 | 81 | 0 |
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| 1956 | 55 | 35 | 63.2 | 41 | 46.8 | 28 | 3.49 | 24 | 0 |
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| 1955 | 51.7 | 74 | 61.1 | 59 | 42.3 | 80 | 4.08 | 15 | 0 |
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| 1954 | 53.7 | 51 | 61.2 | 58 | 46.2 | 38 | 3.22 | 34 | 0 |
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| 1953 | 54 | 47 | 60.4 | 71 | 47.6 | 21 | 5.86 | 2 | 0 |
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| 1952 | 52.2 | 65 | 61.5 | 55 | 42.8 | 74 | 3.14 | 36 | 0 |
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| 1951 | 55.2 | 33 | 62.6 | 46 | 47.7 | 19 | 5.46 | 3 | 0 |
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| 1950 | 57.2 | 13 | 67.5 | 9 | 46.9 | 26 | 2.82 | 42 | 0 |
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| 1949 | 53.2 | 59 | 60.6 | 65 | 45.9 | 43 | 4.36 | 11 | 0 |
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| 1948 | 50 | 82 | 58.2 | 80 | 41.9 | 82 | 3.27 | 32 | 0 |
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| 1947 | 51.8 | 73 | 60.6 | 65 | 43.1 | 72 | 2.11 | 66 | 0 |
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| 1946 | 52 | 68 | 60.5 | 70 | 43.5 | 66 | 3.29 | 31 | 0 |
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| 1945 | 52.5 | 63 | 58.9 | 76 | 46 | 42 | 6.26 | 1 | 0 |
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| 1944 | 53.5 | 55 | 61.6 | 54 | 45.4 | 51 | 5.32 | 6 | 0 |
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| 1943 | 51.4 | 78 | 58.9 | 76 | 43.9 | 61 | 4.44 | 9 | 0 |
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| 1942 | 55 | 35 | 63.3 | 39 | 46.7 | 30 | 4.03 | 16 | 0 |
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| 1941 | 57.1 | 14 | 68.7 | 4 | 45.6 | 47 | 1.94 | 70 | 0 |
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| 1940 | | | | | | | 1.29 | 80 | 31 |
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| 1939 | | | | | | | 3.11 | 38 | 31 |
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