Every May in Bettles, AK from 1944 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 | 44.7 | 41 | 53.6 | 47 | 35.8 | 22 | 1.47 | 8 | 0 |
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| 2025 | 42.6 | 56 | 52.1 | 52 | 33.1 | 54 | 0.33 | 61 | 1 |
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| 2024 | 43.7 | 43 | 55.3 | 36 | 32 | 63 | 0.76 | 31 | 0 |
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| 2023 | 46.6 | 19 | 56.8 | 24 | 36.4 | 15 | 1.38 | 12 | 0 |
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| 2022 | 44.9 | 39 | 55.9 | 32 | 33.9 | 45 | 0.67 | 40 | 1 |
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| 2021 | 45 | 37 | 56.2 | 30 | 33.8 | 48 | 0.99 | 20 | 0 |
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| 2020 | 48.8 | 6 | 60 | 6 | 37.6 | 9 | 0.26 | 66 | 0 |
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| 2019 | 46.7 | 18 | 57.9 | 19 | 35.4 | 25 | 0.77 | 29 | 0 |
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| 2018 | 45.3 | 31 | 54.6 | 41 | 36.1 | 19 | 2.44 | 3 | 0 |
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| 2017 | 47.2 | 17 | 58.7 | 11 | 35.8 | 22 | 0.79 | 28 | 0 |
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| 2016 | 48.6 | 7 | 60 | 6 | 37.2 | 12 | 0.54 | 47 | 0 |
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| 2015 | 51.6 | 1 | 64.5 | 1 | 38.7 | 3 | 0.35 | 60 | 0 |
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| 2014 | 43.5 | 46 | 54.8 | 40 | 32.2 | 62 | 0.85 | 26 | 0 |
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| 2013 | 36.3 | 77 | 48.3 | 71 | 24.3 | 80 | 0.06 | 80 | 0 |
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| 2012 | 43.1 | 52 | 53.2 | 49 | 33.1 | 54 | 0.72 | 36 | 0 |
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| 2011 | 46.5 | 21 | 57.6 | 20 | 35.4 | 25 | 0.74 | 33 | 0 |
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| 2010 | 50 | 4 | 61.5 | 2 | 38.5 | 5 | 0.77 | 29 | 0 |
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| 2009 | 45 | 37 | 55.4 | 34 | 34.6 | 37 | 0.21 | 74 | 0 |
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| 2008 | 43.5 | 46 | 53.8 | 46 | 33.1 | 54 | 0.59 | 45 | 0 |
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| 2007 | 47.3 | 15 | 59.9 | 8 | 34.6 | 37 | 0.25 | 67 | 0 |
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| 2006 | 46 | 26 | 56.7 | 26 | 35.2 | 28 | 0.21 | 74 | 0 |
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| 2005 | 49.7 | 5 | 61.4 | 3 | 38 | 7 | 1.44 | 10 | 0 |
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| 2004 | 46.5 | 21 | 56.6 | 27 | 36.4 | 15 | 1.65 | 7 | 0 |
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| 2003 | 39.4 | 71 | 48 | 72 | 30.7 | 69 | 0.94 | 23 | 0 |
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| 2002 | 43.7 | 43 | 54.4 | 43 | 33.1 | 54 | 0.73 | 34 | 0 |
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| 2001 | 35.7 | 78 | 45 | 80 | 26.3 | 77 | 1.30 | 13 | 0 |
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| 2000 | 37.5 | 75 | 47.7 | 73 | 27.3 | 76 | 0.40 | 57 | 0 |
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| 1999 | 46.3 | 25 | 58.1 | 17 | 34.5 | 40 | 0.63 | 43 | 0 |
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| 1998 | 45.8 | 28 | 55.3 | 36 | 36.3 | 17 | 3.01 | 1 | 0 |
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| 1997 | 45.2 | 33 | 56.4 | 29 | 34 | 44 | 0.22 | 71 | 0 |
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| 1996 | 43.3 | 49 | 53.9 | 45 | 32.6 | 59 | 0.33 | 61 | 0 |
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| 1995 | 50.3 | 3 | 60.5 | 5 | 40.1 | 2 | 2.20 | 6 | 0 |
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| 1994 | 47.8 | 12 | 58.5 | 13 | 37.1 | 13 | 0.89 | 25 | 0 |
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| 1993 | 46 | 26 | 56 | 31 | 36 | 20 | 0.83 | 27 | 0 |
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| 1992 | 34 | 81 | 44.3 | 81 | 23.7 | 83 | 0.22 | 71 | 0 |
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| 1991 | 48.6 | 7 | 58.5 | 13 | 38.6 | 4 | 2.23 | 5 | 0 |
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| 1990 | 51 | 2 | 61.2 | 4 | 40.8 | 1 | 0.68 | 39 | 0 |
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| 1989 | 41.8 | 61 | 49.9 | 66 | 33.6 | 49 | 1.44 | 10 | 0 |
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| 1988 | 47.6 | 13 | 56.9 | 23 | 38.3 | 6 | 0.91 | 24 | 0 |
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| 1987 | 45.2 | 33 | 55.3 | 36 | 35.1 | 30 | 1.02 | 18 | 0 |
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| 1986 | 41.5 | 62 | 51.5 | 56 | 31.4 | 66 | 0.73 | 34 | 0 |
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| 1985 | 41.2 | 64 | 49 | 68 | 33.4 | 52 | 1.01 | 19 | 0 |
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| 1984 | 40.5 | 67 | 50.2 | 64 | 30.7 | 69 | 0.42 | 54 | 0 |
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| 1983 | 43.2 | 51 | 54 | 44 | 32.5 | 60 | 0.22 | 71 | 0 |
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| 1982 | 39.5 | 70 | 47.7 | 73 | 31.4 | 66 | 0.36 | 59 | 0 |
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| 1981 | 48.5 | 9 | 59.5 | 9 | 37.5 | 11 | 0.52 | 49 | 0 |
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| 1980 | 47.9 | 11 | 58 | 18 | 37.9 | 8 | 1.13 | 16 | 0 |
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| 1979 | 48 | 10 | 59.3 | 10 | 36.6 | 14 | 0.65 | 42 | 0 |
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| 1978 | 45.1 | 36 | 55.4 | 34 | 34.9 | 32 | 0.11 | 78 | 0 |
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| 1977 | 43.3 | 49 | 51.3 | 59 | 35.3 | 27 | 1.45 | 9 | 0 |
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| 1976 | 43.7 | 43 | 52.5 | 50 | 35 | 31 | 1.20 | 14 | 0 |
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| 1975 | 45.2 | 33 | 55.2 | 39 | 35.2 | 28 | 0.30 | 63 | 0 |
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| 1974 | 47.3 | 15 | 58.7 | 11 | 35.8 | 22 | 0.44 | 53 | 0 |
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| 1973 | 45.3 | 31 | 54.5 | 42 | 36.2 | 18 | 0.51 | 51 | 0 |
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| 1972 | 42.6 | 56 | 51.7 | 54 | 33.5 | 51 | 0.25 | 67 | 0 |
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| 1971 | 41.2 | 64 | 50.7 | 61 | 31.7 | 65 | 1.18 | 15 | 0 |
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| 1970 | 44.9 | 39 | 55.5 | 33 | 34.3 | 43 | 0.53 | 48 | 0 |
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| 1969 | 46.5 | 21 | 58.4 | 15 | 34.5 | 40 | 0.13 | 77 | 0 |
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| 1968 | 38.2 | 73 | 46 | 76 | 30.4 | 72 | 0.30 | 63 | 0 |
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| 1967 | 38.9 | 72 | 48.6 | 69 | 29.3 | 73 | 0.11 | 78 | 0 |
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| 1966 | 40.3 | 68 | 50 | 65 | 30.5 | 71 | 0.55 | 46 | 0 |
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| 1965 | 35.2 | 80 | 45.1 | 79 | 25.4 | 78 | 0.66 | 41 | 0 |
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| 1964 | 33 | 82 | 41.8 | 82 | 24.2 | 81 | 0.69 | 37 | 0 |
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| 1963 | 44 | 42 | 53.3 | 48 | 34.8 | 33 | 0.18 | 76 | 0 |
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| 1962 | 37.8 | 74 | 46.3 | 75 | 29.3 | 73 | 0.23 | 69 | 0 |
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| 1961 | 46.5 | 21 | 58.2 | 16 | 34.8 | 33 | 0.41 | 55 | 0 |
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| 1960 | 47.5 | 14 | 57.4 | 21 | 37.6 | 9 | 0.23 | 69 | 0 |
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| 1959 | 41.4 | 63 | 50.4 | 62 | 32.5 | 60 | 0.04 | 82 | 0 |
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| 1958 | 42.2 | 58 | 51.8 | 53 | 32.7 | 58 | 0.39 | 58 | 0 |
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| 1957 | 42 | 59 | 50.8 | 60 | 33.3 | 53 | 0.69 | 37 | 0 |
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| 1956 | 43 | 54 | 51.5 | 56 | 34.5 | 40 | 0.52 | 49 | 0 |
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| 1955 | 40.8 | 66 | 49.9 | 66 | 31.8 | 64 | 0.49 | 52 | 0 |
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| 1954 | 45.6 | 29 | 56.6 | 27 | 34.6 | 37 | 0.41 | 55 | 0 |
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| 1953 | 46.6 | 19 | 57.2 | 22 | 36 | 20 | 0.29 | 65 | 0 |
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| 1952 | 32.9 | 83 | 41.6 | 83 | 24.1 | 82 | 0.76 | 31 | 0 |
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| 1951 | 45.4 | 30 | 56.8 | 24 | 33.9 | 45 | 0.05 | 81 | 0 |
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| 1950 | 42.8 | 55 | 51.7 | 54 | 33.9 | 45 | 1.10 | 17 | 0 |
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| 1949 | 37 | 76 | 45.4 | 78 | 28.6 | 75 | 0.61 | 44 | 0 |
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| 1948 | 39.8 | 69 | 48.4 | 70 | 31.2 | 68 | 0.99 | 20 | 0 |
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| 1947 | 43.1 | 52 | 51.5 | 56 | 34.7 | 35 | 0.02 | 83 | 0 |
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| 1946 | 42 | 59 | 50.3 | 63 | 33.6 | 49 | 2.24 | 4 | 0 |
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| 1945 | 35.5 | 79 | 45.7 | 77 | 25.3 | 79 | 0.98 | 22 | 0 |
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| 1944 | 43.5 | 46 | 52.2 | 51 | 34.7 | 35 | 2.72 | 2 | 0 |
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