Every winter in McAllen, TX from 1942 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 | 68.5 | 3 | 80.2 | 2 | 56.9 | 3 | 0.90 | 74 | 0 |
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| 2025 | 65.1 | 18 | 75.1 | 24 | 55.2 | 11 | 1.34 | 66 | 0 |
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| 2024 | 64.6 | 19 | 75.3 | 20 | 53.9 | 22 | 3.93 | 24 | 0 |
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| 2023 | 66.6 | 5 | 77.1 | 11 | 56.2 | 4 | 0.95 | 73 | 0 |
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| 2022 | 63 | 32 | 73.7 | 36 | 52.2 | 31 | 3.53 | 28 | 0 |
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| 2021 | 62.1 | 44 | 74 | 31 | 50.3 | 61 | 1.47 | 62 | 0 |
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| 2020 | 66.1 | 10 | 77.3 | 9 | 55 | 13 | 1.01 | 70 | 0 |
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| 2019 | 65.3 | 16 | 75.4 | 19 | 55 | 13 | 1.86 | 53 | 1 |
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| 2018 | 62.9 | 34 | 72.6 | 47 | 53.3 | 25 | 2.43 | 43 | 0 |
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| 2017 | 70.2 | 1 | 81.1 | 1 | 59.2 | 1 | 2.26 | 45 | 0 |
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| 2016 | 65.5 | 14 | 77.8 | 5 | 53.2 | 27 | 0.44 | 80 | 0 |
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| 2015 | 60.4 | 65 | 69.2 | 73 | 51.5 | 40 | 2.21 | 48 | 0 |
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| 2014 | 59.5 | 73 | 69.9 | 69 | 49.1 | 70 | 3.91 | 25 | 0 |
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| 2013 | 66.3 | 9 | 76.7 | 14 | 55.9 | 7 | 0.99 | 71 | 0 |
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| 2012 | 64.5 | 20 | 73.6 | 37 | 55.4 | 9 | 5.75 | 8 | 0 |
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| 2011 | 63.5 | 27 | 74.8 | 25 | 52.2 | 31 | 1.10 | 69 | 2 |
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| 2010 | 59.6 | 72 | 68.7 | 74 | 50.5 | 56 | 8.28 | 3 | 0 |
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| 2009 | 65.8 | 13 | 77.4 | 7 | 54.1 | 21 | 0.75 | 77 | 0 |
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| 2008 | 66 | 11 | 77.4 | 7 | 54.6 | 16 | 1.59 | 58 | 0 |
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| 2007 | 60.6 | 62 | 70.2 | 65 | 51.1 | 47 | 5.33 | 12 | 4 |
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| 2006 | 63.6 | 24 | 75.7 | 16 | 51.6 | 39 | 0.63 | 79 | 0 |
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| 2005 | 63.5 | 27 | 73.4 | 39 | 53.7 | 24 | 2.78 | 38 | 0 |
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| 2004 | 61.6 | 52 | 72.4 | 48 | 50.8 | 53 | 1.79 | 54 | 0 |
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| 2003 | 60.3 | 66 | 70.2 | 65 | 50.4 | 59 | 2.23 | 46 | 0 |
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| 2002 | 62 | 47 | 72.9 | 44 | 51.1 | 47 | 1.70 | 56 | 2 |
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| 2001 | 60.7 | 59 | 70.4 | 63 | 51 | 50 | 3.02 | 34 | 0 |
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| 2000 | 66.4 | 8 | 77.5 | 6 | 55.3 | 10 | 1.74 | 55 | 0 |
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| 1999 | 65.9 | 12 | 77.3 | 9 | 54.4 | 19 | 0.32 | 82 | 0 |
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| 1998 | 63.8 | 23 | 75.5 | 18 | 52.1 | 34 | | | 1 |
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| 1997 | 62.1 | 44 | 72.2 | 52 | 52 | 35 | | | 2 |
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| 1996 | 64 | 22 | 75.3 | 20 | 52.7 | 29 | 2.09 | 49 | 2 |
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| 1995 | 65.4 | 15 | 75.3 | 20 | 55.5 | 8 | 2.33 | 44 | 3 |
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| 1994 | 63.6 | 24 | 73.3 | 41 | 53.9 | 22 | 4.41 | 18 | 0 |
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| 1993 | 63.3 | 29 | 72.2 | 52 | 54.4 | 19 | 1.70 | 56 | 0 |
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| 1992 | 61.9 | 49 | 69.3 | 72 | 54.5 | 17 | 6.64 | 7 | 0 |
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| 1991 | 62.5 | 38 | 72.7 | 45 | 52.2 | 31 | 3.00 | 35 | 1 |
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| 1990 | 61.1 | 56 | 70.8 | 59 | 51.5 | 40 | 4.05 | 22 | 1 |
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| 1989 | 64.4 | 21 | 74.3 | 29 | 54.5 | 17 | 0.99 | 71 | 2 |
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| 1988 | 60.7 | 59 | 70.1 | 67 | 51.3 | 43 | 4.24 | 20 | 0 |
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| 1987 | 61.1 | 56 | 70.3 | 64 | 52 | 35 | 7.51 | 5 | 0 |
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| 1986 | 62.4 | 39 | 73 | 43 | 51.7 | 37 | 4.23 | 21 | 0 |
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| 1985 | 60.7 | 59 | 69.7 | 71 | 51.7 | 37 | 4.97 | 13 | 0 |
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| 1984 | 57.8 | 78 | 67.3 | 81 | 48.2 | 78 | 5.65 | 9 | 0 |
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| 1983 | 61.6 | 52 | 72.1 | 54 | 51.2 | 45 | 6.88 | 6 | 0 |
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| 1982 | 62 | 47 | 73.5 | 38 | 50.5 | 56 | 2.08 | 50 | 0 |
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| 1981 | 60.5 | 64 | 70.5 | 62 | 50.4 | 59 | 3.97 | 23 | 0 |
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| 1980 | 61.7 | 50 | 72.1 | 54 | 51.4 | 42 | 4.83 | 15 | 0 |
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| 1979 | 58.6 | 74 | 68.1 | 76 | 49.2 | 68 | 2.85 | 36 | 0 |
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| 1978 | 57.4 | 80 | 67.6 | 79 | 47.2 | 80 | 4.56 | 16 | 0 |
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| 1977 | 56 | 85 | 64.8 | 85 | 47.3 | 79 | 5.39 | 11 | 0 |
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| 1976 | 62.1 | 44 | 73.9 | 34 | 50.3 | 61 | 1.49 | 61 | 0 |
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| 1975 | 61.5 | 54 | 72 | 56 | 51.1 | 47 | 2.22 | 47 | 0 |
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| 1974 | 62.6 | 37 | 74.1 | 30 | 51 | 50 | 1.18 | 67 | 0 |
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| 1973 | 57.2 | 82 | 67.8 | 77 | 46.7 | 82 | 9.44 | 2 | 0 |
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| 1972 | 65.2 | 17 | 75.3 | 20 | 55.2 | 11 | 1.97 | 51 | 0 |
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| 1971 | 66.5 | 6 | 77 | 12 | 56.1 | 5 | 0.83 | 76 | 0 |
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| 1970 | 60 | 69 | 69.9 | 69 | 50 | 64 | 3.43 | 29 | 0 |
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| 1969 | 63.1 | 30 | 73.3 | 41 | 52.9 | 28 | 1.56 | 59 | 0 |
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| 1968 | 57.5 | 79 | 66.7 | 84 | 48.3 | 76 | 5.61 | 10 | 0 |
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| 1967 | 60.1 | 68 | 71.4 | 57 | 48.9 | 73 | 1.90 | 52 | 0 |
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| 1966 | 58.3 | 75 | 67.3 | 81 | 49.3 | 67 | 7.66 | 4 | 0 |
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| 1965 | 61.5 | 54 | 72.3 | 50 | 50.8 | 53 | 2.70 | 39 | 0 |
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| 1964 | 56.4 | 84 | 67.2 | 83 | 45.7 | 85 | 3.08 | 33 | 0 |
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| 1963 | 57.3 | 81 | 68.7 | 74 | 45.9 | 84 | 2.49 | 42 | 0 |
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| 1962 | 62.3 | 42 | 74 | 31 | 50.5 | 56 | 0.33 | 81 | 0 |
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| 1961 | 57.2 | 82 | 67.5 | 80 | 47 | 81 | 3.34 | 31 | 0 |
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| 1960 | 60.6 | 62 | 72.3 | 50 | 48.9 | 73 | 2.83 | 37 | 0 |
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| 1959 | 58 | 77 | 67.7 | 78 | 48.3 | 76 | 4.93 | 14 | 0 |
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| 1958 | 60.3 | 66 | 71.3 | 58 | 49.4 | 66 | 13.54 | 1 | 0 |
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| 1957 | 66.5 | 6 | 76.9 | 13 | 56 | 6 | 4.30 | 19 | 0 |
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| 1956 | 62.9 | 34 | 74.7 | 27 | 51.2 | 45 | 0.73 | 78 | 0 |
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| 1955 | 62.4 | 39 | 74 | 31 | 50.8 | 53 | 1.40 | 64 | 0 |
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| 1954 | 62.8 | 36 | 74.8 | 25 | 50.9 | 52 | 1.17 | 68 | 0 |
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| 1953 | 62.3 | 42 | 74.4 | 28 | 50.1 | 63 | 2.66 | 40 | 0 |
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| 1952 | 66.8 | 4 | 78.6 | 3 | 54.9 | 15 | 1.47 | 62 | 0 |
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| 1951 | 62.4 | 39 | 75.6 | 17 | 49.1 | 70 | 0.23 | 83 | 0 |
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| 1950 | 68.7 | 2 | 78.6 | 3 | 58.8 | 2 | 0.88 | 75 | 0 |
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| 1949 | 63 | 32 | 72.7 | 45 | 53.3 | 25 | 3.88 | 26 | 0 |
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| 1948 | 59.9 | 70 | 70.8 | 59 | 49 | 72 | 4.42 | 17 | 0 |
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| 1947 | 58.2 | 76 | 70 | 68 | 46.4 | 83 | 1.36 | 65 | 0 |
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| 1946 | 60.8 | 58 | 72.4 | 48 | 49.2 | 68 | 3.67 | 27 | 1 |
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| 1945 | 63.1 | 30 | 73.4 | 39 | 52.7 | 29 | 3.36 | 30 | 1 |
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| 1944 | 61.7 | 50 | 73.8 | 35 | 49.7 | 65 | 1.53 | 60 | 2 |
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| 1943 | 63.6 | 24 | 76 | 15 | 51.3 | 43 | 2.64 | 41 | 1 |
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| 1942 | 59.7 | 71 | 70.6 | 61 | 48.8 | 75 | 3.10 | 32 | 0 |
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