Every June in Jerome, ID from 1916 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 | 65 | 57 | 79.2 | 72 | 50.8 | 33 | 0.40 | 62 | 0 |
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| 2025 | 66.9 | 24 | 81.6 | 43 | 52.2 | 17 | 0.03 | 99 | 0 |
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| 2024 | 68.4 | 16 | 82.7 | 30 | 54.1 | 4 | 0.06 | 96 | 0 |
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| 2023 | 63 | 78 | 76 | 93 | 50 | 46 | 1.26 | 18 | 0 |
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| 2022 | 65.7 | 41 | 80 | 58 | 51.4 | 21 | 0.82 | 35 | 0 |
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| 2021 | 73.5 | 1 | 89.2 | 2 | 57.9 | 1 | 0.03 | 99 | 0 |
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| 2020 | 64.6 | 60 | 78.3 | 79 | 50.9 | 31 | 0.66 | 43 | 0 |
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| 2019 | 64.8 | 58 | 79.1 | 74 | 50.5 | 42 | 0.16 | 81 | 0 |
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| 2018 | 65.3 | 50 | 79.7 | 66 | 50.9 | 31 | 0.38 | 64 | 0 |
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| 2017 | 66.5 | 29 | 81.1 | 47 | 52 | 18 | 0.36 | 67 | 0 |
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| 2016 | 68.7 | 15 | 84.3 | 21 | 53.1 | 11 | 0.12 | 89 | 0 |
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| 2015 | 71.4 | 3 | 86.1 | 11 | 56.7 | 2 | 0.11 | 91 | 0 |
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| 2014 | 63.9 | 70 | 77.9 | 83 | 49.8 | 48 | 0.35 | 68 | 0 |
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| 2013 | 66.4 | 30 | 82.1 | 40 | 50.7 | 37 | 0.12 | 89 | 0 |
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| 2012 | 64 | 68 | 79.4 | 70 | 48.6 | 64 | 0.11 | 91 | 0 |
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| 2011 | 60.8 | 97 | 74.6 | 105 | 47.1 | 80 | 0.51 | 48 | 2 |
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| 2010 | 62.4 | 85 | 75.2 | 100 | 49.6 | 50 | 0.66 | 43 | 0 |
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| 2009 | 62.8 | 81 | 74.6 | 105 | 51 | 25 | 2.64 | 2 | 0 |
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| 2008 | 63.7 | 75 | 77.9 | 83 | 49.5 | 54 | 0.49 | 50 | 0 |
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| 2007 | 66 | 36 | 81.2 | 45 | 50.8 | 33 | 0.37 | 65 | 0 |
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| 2006 | 67.2 | 21 | 81.9 | 41 | 52.5 | 14 | 0.34 | 70 | 0 |
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| 2005 | 60.5 | 98 | 73.9 | 107 | 47.1 | 80 | 0.48 | 52 | 0 |
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| 2004 | 65.5 | 46 | 80 | 58 | 51 | 25 | 0.10 | 93 | 0 |
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| 2003 | 65.7 | 41 | 80.7 | 52 | 50.8 | 33 | 0.03 | 99 | 1 |
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| 2002 | 66.1 | 33 | 80.2 | 55 | 52 | 18 | 0.43 | 58 | 0 |
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| 2001 | | | | | | | trace | 105 | 11 |
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| 2000 | 66.1 | 33 | 81.2 | 45 | 51 | 25 | trace | 105 | 1 |
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| 1999 | 62.5 | 84 | 75.8 | 95 | 49.1 | 59 | 0.45 | 54 | 0 |
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| 1998 | 58.7 | 107 | 71.3 | 109 | 46.1 | 94 | 1.28 | 16 | 0 |
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| 1997 | 65.2 | 52 | 79.2 | 72 | 51.3 | 24 | 1.58 | 11 | 0 |
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| 1996 | 66.7 | 28 | 84 | 23 | 49.3 | 56 | 0.59 | 45 | 0 |
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| 1995 | 60.5 | 98 | 75.5 | 98 | 45.5 | 98 | 2.53 | 3 | 0 |
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| 1994 | 65.5 | 46 | 83.1 | 26 | 47.9 | 71 | 0.35 | 68 | 1 |
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| 1993 | 60.2 | 102 | 75 | 101 | 45.3 | 99 | 1.81 | 10 | 0 |
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| 1992 | 67.8 | 18 | 84.8 | 16 | 50.7 | 37 | 1.27 | 17 | 2 |
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| 1991 | 61.9 | 88 | 78.7 | 77 | 45.1 | 101 | 0.39 | 63 | 0 |
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| 1990 | 64.2 | 66 | 79.8 | 63 | 48.5 | 65 | 0.86 | 34 | 0 |
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| 1989 | 65.2 | 52 | 82.3 | 38 | 48.2 | 69 | 0.14 | 84 | 0 |
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| 1988 | 69.3 | 11 | 86.6 | 10 | 52 | 18 | 0.18 | 79 | 0 |
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| 1987 | 68.2 | 17 | 85.1 | 15 | 51.4 | 21 | 1.04 | 26 | 0 |
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| 1986 | 69.9 | 10 | 87 | 9 | 52.8 | 12 | 1.18 | 21 | 0 |
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| 1985 | 66.9 | 24 | 84.1 | 22 | 49.6 | 50 | 0.14 | 84 | 1 |
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| 1984 | 60 | 105 | 75 | 101 | 44.9 | 102 | 2.73 | 1 | 0 |
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| 1983 | 62.7 | 82 | 78.3 | 79 | 47 | 83 | 0.70 | 39 | 0 |
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| 1982 | 64.3 | 63 | 79.7 | 66 | 48.9 | 61 | 0.42 | 61 | 0 |
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| 1981 | 63.9 | 70 | 78.7 | 77 | 49.2 | 57 | 0.49 | 50 | 1 |
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| 1980 | 62.6 | 83 | 78.9 | 75 | 46.7 | 87 | 0.55 | 47 | 1 |
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| 1979 | 65.9 | 37 | 84.4 | 19 | 47.3 | 77 | 0.30 | 74 | 0 |
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| 1978 | 63.6 | 77 | 80.9 | 48 | 46.6 | 88 | 0.14 | 84 | 1 |
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| 1977 | 70.3 | 9 | 87.2 | 8 | 53.4 | 8 | 0.18 | 79 | 0 |
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| 1976 | 62.1 | 86 | 78 | 82 | 46.2 | 93 | 0.43 | 58 | 0 |
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| 1975 | 61.9 | 88 | 77.1 | 87 | 46.6 | 88 | 0.71 | 37 | 0 |
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| 1974 | 71.8 | 2 | 89.2 | 2 | 54.4 | 3 | 0.16 | 81 | 0 |
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| 1973 | 67 | 22 | 83.7 | 24 | 50.3 | 44 | 0.76 | 36 | 0 |
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| 1972 | 67.7 | 20 | 82.7 | 30 | 52.6 | 13 | 0.37 | 65 | 0 |
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| 1971 | 64.3 | 63 | 78.8 | 76 | 49.7 | 49 | 1.52 | 12 | 0 |
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| 1970 | 66.8 | 26 | 82.9 | 27 | 50.7 | 37 | 1.01 | 29 | 0 |
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| 1969 | 65.1 | 55 | 79.8 | 63 | 50.4 | 43 | 0.95 | 31 | 0 |
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| 1968 | 66.2 | 32 | 82.4 | 37 | 50 | 46 | 1.85 | 8 | 0 |
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| 1967 | 63.9 | 70 | 78.1 | 81 | 49.6 | 50 | 2.04 | 6 | 1 |
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| 1966 | 65.3 | 50 | 82.7 | 30 | 47.9 | 71 | 0.13 | 87 | 0 |
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| 1965 | 64.2 | 66 | 79.8 | 63 | 48.7 | 62 | 0.44 | 56 | 0 |
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| 1964 | 61.7 | 90 | 75.6 | 97 | 47.8 | 73 | 2.14 | 5 | 0 |
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| 1963 | 60.9 | 96 | 74.8 | 103 | 47.1 | 80 | 2.03 | 7 | 0 |
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| 1962 | 64.5 | 61 | 80.2 | 55 | 48.7 | 62 | 0.50 | 49 | 0 |
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| 1961 | 71.4 | 3 | 88.8 | 4 | 54 | 5 | 1.40 | 13 | 0 |
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| 1960 | 67.8 | 18 | 84.6 | 18 | 51 | 25 | 0.05 | 98 | 0 |
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| 1959 | 68.9 | 14 | 85.5 | 13 | 52.3 | 16 | 0.13 | 87 | 0 |
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| 1958 | 65.8 | 39 | 80.9 | 48 | 50.8 | 33 | 1.11 | 24 | 0 |
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| 1957 | 65.6 | 44 | 80.6 | 53 | 50.6 | 40 | 1.02 | 28 | 0 |
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| 1956 | 65.6 | 44 | 82.7 | 30 | 48.5 | 65 | 0.34 | 70 | 3 |
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| 1955 | 65.5 | 46 | 82.6 | 34 | 48.5 | 65 | 1.23 | 20 | 2 |
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| 1954 | 61 | 94 | 76.9 | 89 | 45.2 | 100 | 1.83 | 9 | 0 |
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| 1953 | 60.2 | 102 | 76.3 | 91 | 44 | 104 | 1.01 | 29 | 0 |
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| 1952 | 64 | 68 | 80.9 | 48 | 47 | 83 | 1.26 | 18 | 0 |
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| 1951 | 62 | 87 | 77.5 | 85 | 46.4 | 91 | 0.09 | 95 | 0 |
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| 1950 | 61.4 | 92 | 80.1 | 57 | 42.7 | 107 | 0.32 | 73 | 0 |
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| 1949 | 63.9 | 70 | 81.8 | 42 | 46 | 96 | 0.10 | 93 | 0 |
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| 1948 | 65.9 | 37 | 83.5 | 25 | 48.2 | 69 | 0.68 | 41 | 0 |
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| 1947 | 61 | 94 | 74.8 | 103 | 47.2 | 78 | 1.40 | 13 | 0 |
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| 1946 | 64.7 | 59 | 82.5 | 35 | 46.9 | 85 | 0.06 | 96 | 0 |
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| 1945 | 60.1 | 104 | 75.4 | 99 | 44.5 | 103 | 0.67 | 42 | 1 |
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| 1944 | 59.7 | 106 | 73.7 | 108 | 45.7 | 97 | 2.38 | 4 | 0 |
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| 1943 | 60.3 | 101 | 76.9 | 89 | 43.6 | 106 | 1.35 | 15 | 0 |
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| 1942 | 61.5 | 91 | 77.4 | 86 | 46.1 | 94 | 0.43 | 58 | 1 |
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| 1941 | 65.1 | 55 | 80.8 | 51 | 49.4 | 55 | 0.71 | 37 | 0 |
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| 1940 | 70.8 | 6 | 91.2 | 1 | 50.3 | 44 | 0.16 | 81 | 0 |
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| 1939 | 63 | 78 | 79.7 | 66 | 46.4 | 91 | 0.34 | 70 | 0 |
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| 1938 | 66.8 | 26 | 82.5 | 35 | 51 | 25 | 0.57 | 46 | 0 |
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| 1937 | 63.7 | 75 | 79.9 | 60 | 47.4 | 75 | 0.28 | 75 | 1 |
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| 1936 | 69.2 | 13 | 84.8 | 16 | 53.7 | 6 | 1.14 | 23 | 0 |
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| 1935 | 65.4 | 49 | 81.5 | 44 | 49.2 | 57 | | | 0 |
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| 1934 | 64.4 | 62 | 80.5 | 54 | 48.3 | 68 | 0.28 | 75 | 0 |
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| 1933 | 70.7 | 7 | 88.1 | 5 | 53.3 | 9 | 0.00 | 107 | 0 |
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| 1932 | 62.9 | 80 | 76.1 | 92 | 49.6 | 50 | 0.90 | 32 | 0 |
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| 1931 | 69.3 | 11 | 86.1 | 11 | 52.4 | 15 | | | 1 |
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| 1930 | 65.2 | 52 | 82.9 | 27 | 47.4 | 75 | 0.25 | 77 | 0 |
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| 1929 | | | 79.4 | 70 | | | 1.08 | 25 | 5 |
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| 1928 | 55.4 | 108 | 75.8 | 95 | 35.1 | 108 | 0.45 | 54 | 2 |
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| 1927 | 66.4 | 30 | 82.2 | 39 | 50.6 | 40 | 0.02 | 103 | 0 |
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| 1926 | 70.4 | 8 | 87.6 | 6 | 53.3 | 9 | 0.03 | 99 | 0 |
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| 1925 | 64.3 | 63 | 79.5 | 69 | 49.1 | 59 | 0.70 | 39 | 0 |
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| 1924 | 65.8 | 39 | 84.4 | 19 | 47.2 | 78 | 0.20 | 78 | 0 |
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| 1923 | 61.2 | 93 | 75.9 | 94 | 46.5 | 90 | 1.03 | 27 | 0 |
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| 1922 | 67 | 22 | 82.9 | 27 | 51 | 25 | 0.87 | 33 | 0 |
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| 1921 | 65.7 | 41 | 79.9 | 60 | 51.4 | 21 | 0.46 | 53 | 0 |
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| 1920 | 63.8 | 74 | 79.9 | 60 | 47.6 | 74 | 0.44 | 56 | 2 |
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| 1919 | 66.1 | 33 | 85.2 | 14 | 46.9 | 85 | | | 1 |
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| 1918 | 70.9 | 5 | 87.5 | 7 | 53.6 | 7 | 1.15 | 22 | 3 |
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| 1916 | 60.5 | 98 | 77 | 88 | 43.9 | 105 | 0.01 | 104 | 0 |
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