Every summer in Yakima, WA from 1947 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 | 71.1 | 12 | 88.1 | 14 | 54.1 | 14 | 0.12 | 78 | 7 |
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| 2025 | 72.3 | 6 | 89 | 8 | 55.5 | 8 | 0.15 | 76 | 0 |
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| 2024 | 70.7 | 16 | 87.9 | 15 | 53.5 | 20 | 0.37 | 68 | 0 |
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| 2023 | 72 | 8 | 88.4 | 10 | 55.7 | 6 | 0.75 | 46 | 0 |
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| 2022 | 72.2 | 7 | 88.8 | 9 | 55.7 | 6 | 0.90 | 38 | 3 |
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| 2021 | 74.8 | 2 | 91.2 | 3 | 58.4 | 1 | 0.21 | 74 | 0 |
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| 2020 | 70.7 | 16 | 86.9 | 24 | 54.5 | 12 | 0.25 | 72 | 0 |
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| 2019 | 69.9 | 23 | 86.2 | 31 | 53.6 | 18 | 0.90 | 38 | 0 |
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| 2018 | 70 | 22 | 87.6 | 17 | 52.5 | 27 | 0.53 | 56 | 0 |
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| 2017 | 73.8 | 3 | 91.4 | 2 | 56.3 | 5 | 0.41 | 65 | 0 |
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| 2016 | 71.7 | 10 | 88.4 | 10 | 55 | 9 | 0.44 | 61 | 0 |
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| 2015 | 75.2 | 1 | 92.7 | 1 | 57.7 | 2 | 0.08 | 79 | 0 |
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| 2014 | 73.1 | 4 | 89.3 | 6 | 56.9 | 3 | 1.04 | 31 | 0 |
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| 2013 | 72.8 | 5 | 89.1 | 7 | 56.5 | 4 | 0.58 | 54 | 0 |
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| 2012 | 69.9 | 23 | 87 | 22 | 53.1 | 23 | 1.11 | 29 | 1 |
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| 2011 | 67.7 | 54 | 84.9 | 45 | 50.5 | 62 | 0.67 | 48 | 0 |
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| 2010 | 67.9 | 48 | 84.7 | 47 | 51 | 55 | 1.20 | 26 | 0 |
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| 2009 | 70.6 | 18 | 87.4 | 18 | 53.9 | 16 | 0.64 | 50 | 0 |
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| 2008 | 67.5 | 56 | 84.5 | 50 | 50.5 | 62 | 0.66 | 49 | 0 |
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| 2007 | 69.2 | 28 | 85.8 | 36 | 52.5 | 27 | 0.34 | 69 | 0 |
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| 2006 | 69.6 | 26 | 87.3 | 20 | 51.9 | 35 | 0.75 | 46 | 0 |
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| 2005 | 68.3 | 42 | 85.8 | 36 | 50.8 | 57 | 0.30 | 70 | 0 |
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| 2004 | 70.1 | 21 | 86.7 | 27 | 53.6 | 18 | 2.22 | 7 | 0 |
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| 2003 | 70.9 | 14 | 88.4 | 10 | 53.4 | 22 | 0.44 | 61 | 0 |
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| 2002 | 68.6 | 35 | 85.8 | 36 | 51.3 | 48 | 0.83 | 42 | 0 |
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| 2001 | 68.1 | 45 | 84 | 54 | 52.3 | 29 | 1.36 | 25 | 0 |
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| 2000 | 67.5 | 56 | 84.9 | 45 | 50.1 | 67 | 0.18 | 75 | 0 |
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| 1999 | 66.8 | 66 | 82.7 | 68 | 51 | 55 | 1.56 | 17 | 0 |
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| 1998 | 71 | 13 | 87.7 | 16 | 54.3 | 13 | 0.77 | 43 | 0 |
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| 1997 | 67.9 | 48 | 84 | 54 | 51.7 | 38 | 1.15 | 27 | 0 |
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| 1996 | 68.2 | 43 | 85.6 | 42 | 50.7 | 59 | 0.54 | 55 | 0 |
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| 1995 | 65.6 | 75 | 81.5 | 76 | 49.7 | 71 | 1.45 | 22 | 0 |
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| 1994 | 68.6 | 35 | 85.9 | 34 | 51.3 | 48 | 0.77 | 43 | 0 |
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| 1993 | 63.9 | 79 | 79.9 | 79 | 47.9 | 80 | 1.47 | 19 | 0 |
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| 1992 | 69.8 | 25 | 86.8 | 25 | 52.9 | 24 | 1.94 | 10 | 0 |
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| 1991 | 67.4 | 58 | 83.5 | 62 | 51.3 | 48 | 2.77 | 1 | 0 |
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| 1990 | 69 | 32 | 85.2 | 43 | 52.8 | 25 | 2.33 | 6 | 0 |
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| 1989 | 67.1 | 62 | 83.4 | 64 | 50.7 | 59 | 0.53 | 56 | 0 |
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| 1988 | 66.4 | 71 | 83.8 | 58 | 49 | 76 | 1.00 | 33 | 0 |
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| 1987 | 67.4 | 58 | 84.7 | 47 | 50.2 | 64 | 0.45 | 60 | 0 |
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| 1986 | 68.5 | 38 | 85.7 | 39 | 51.4 | 45 | 0.44 | 61 | 0 |
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| 1985 | 68.5 | 38 | 85.7 | 39 | 51.3 | 48 | 0.52 | 58 | 0 |
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| 1984 | 66.8 | 66 | 82.9 | 67 | 50.8 | 57 | 1.62 | 15 | 0 |
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| 1983 | 67.1 | 62 | 82.3 | 71 | 52 | 33 | 1.50 | 18 | 0 |
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| 1982 | 67.8 | 51 | 83.5 | 62 | 52.2 | 30 | 2.21 | 8 | 0 |
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| 1981 | 68 | 46 | 84.5 | 50 | 51.4 | 45 | 0.77 | 43 | 0 |
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| 1980 | 66.3 | 72 | 82 | 72 | 50.7 | 59 | 1.41 | 24 | 0 |
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| 1979 | 69.3 | 27 | 85.7 | 39 | 52.8 | 25 | 1.03 | 32 | 0 |
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| 1978 | 67.8 | 51 | 83.8 | 58 | 51.7 | 38 | 0.99 | 34 | 0 |
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| 1977 | 70.6 | 18 | 86.4 | 29 | 54.8 | 10 | 1.62 | 15 | 0 |
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| 1976 | 65.1 | 77 | 80.4 | 78 | 49.8 | 69 | 1.45 | 22 | 0 |
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| 1975 | 68.4 | 41 | 84.6 | 49 | 52.2 | 30 | 2.50 | 4 | 0 |
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| 1974 | 69.1 | 29 | 86.7 | 27 | 51.4 | 45 | 0.30 | 70 | 0 |
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| 1973 | 68.6 | 35 | 87.1 | 21 | 50.2 | 64 | 0.03 | 80 | 0 |
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| 1972 | 69.1 | 29 | 87 | 22 | 51.2 | 52 | 2.19 | 9 | 0 |
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| 1971 | 68.2 | 43 | 87.4 | 18 | 49 | 76 | 0.38 | 67 | 0 |
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| 1970 | 70.5 | 20 | 86.8 | 25 | 54.1 | 14 | 0.14 | 77 | 0 |
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| 1969 | 67.8 | 51 | 83.6 | 61 | 52 | 33 | 0.62 | 51 | 0 |
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| 1968 | 66.7 | 69 | 81.8 | 75 | 51.5 | 41 | 1.75 | 14 | 0 |
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| 1967 | 70.8 | 15 | 88.2 | 13 | 53.5 | 20 | 1.13 | 28 | 0 |
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| 1966 | 66.7 | 69 | 82 | 72 | 51.5 | 41 | 0.88 | 40 | 0 |
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| 1965 | 67.6 | 55 | 83.7 | 60 | 51.6 | 40 | 0.99 | 34 | 0 |
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| 1964 | 64.3 | 78 | 80.5 | 77 | 48 | 79 | 1.46 | 21 | 0 |
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| 1963 | 66.9 | 64 | 82.4 | 69 | 51.5 | 41 | 1.08 | 30 | 0 |
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| 1962 | 66.3 | 72 | 83.1 | 66 | 49.5 | 73 | 0.41 | 65 | 0 |
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| 1961 | 71.7 | 10 | 89.6 | 4 | 53.8 | 17 | 0.99 | 34 | 0 |
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| 1960 | 68.7 | 33 | 85.9 | 34 | 51.5 | 41 | 0.49 | 59 | 0 |
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| 1959 | 66.8 | 66 | 83.9 | 56 | 49.8 | 69 | 0.24 | 73 | 0 |
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| 1958 | 72 | 8 | 89.4 | 5 | 54.7 | 11 | 0.59 | 53 | 0 |
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| 1957 | 65.8 | 74 | 82.4 | 69 | 49.2 | 74 | 1.47 | 19 | 0 |
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| 1956 | 68 | 46 | 84.1 | 53 | 51.9 | 35 | 1.93 | 11 | 0 |
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| 1955 | 66.9 | 64 | 83.9 | 56 | 49.9 | 68 | 0.84 | 41 | 0 |
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| 1954 | 63.9 | 79 | 79.6 | 80 | 48.2 | 78 | 0.62 | 51 | 0 |
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| 1953 | 65.5 | 76 | 81.9 | 74 | 49.1 | 75 | 0.97 | 37 | 0 |
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| 1952 | 67.2 | 61 | 84.3 | 52 | 50.2 | 64 | 1.86 | 13 | 0 |
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| 1951 | 68.7 | 33 | 86.3 | 30 | 51.2 | 52 | 2.54 | 3 | 0 |
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| 1950 | 69.1 | 29 | 86.1 | 32 | 52.1 | 32 | 1.93 | 11 | 0 |
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| 1949 | 67.9 | 48 | 86.1 | 32 | 49.7 | 71 | 0.44 | 61 | 0 |
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| 1948 | 68.5 | 38 | 85.1 | 44 | 51.9 | 35 | 2.61 | 2 | 0 |
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| 1947 | 67.3 | 60 | 83.4 | 64 | 51.1 | 54 | 2.40 | 5 | 0 |
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