Every April 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 | 79.2 | 17 | 87.4 | 36 | 71 | 3 | 4.73 | 5 | 0 |
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| 2025 | 79.2 | 17 | 89 | 19 | 69.4 | 17 | 0.16 | 66 | 1 |
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| 2024 | 79.4 | 14 | 89.1 | 17 | 69.8 | 11 | 0.25 | 65 | 0 |
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| 2023 | 74.6 | 66 | 83.8 | 76 | 65.4 | 50 | 5.01 | 4 | 0 |
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| 2022 | 80.6 | 4 | 90.9 | 7 | 70.3 | 8 | 0.80 | 42 | 0 |
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| 2021 | 77.8 | 24 | 88.1 | 30 | 67.4 | 29 | 0.74 | 47 | 0 |
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| 2020 | 80.6 | 4 | 90.6 | 8 | 70.6 | 7 | 0.27 | 64 | 0 |
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| 2019 | 76.9 | 35 | 88.1 | 30 | 65.6 | 48 | 0.51 | 56 | 0 |
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| 2018 | 76.9 | 35 | 87.4 | 36 | 66.4 | 37 | 1.78 | 23 | 0 |
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| 2017 | 81 | 2 | 92.4 | 2 | 69.6 | 14 | 0.73 | 48 | 0 |
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| 2016 | 80.1 | 10 | 90.5 | 9 | 69.6 | 14 | 0.59 | 51 | 0 |
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| 2015 | 79.1 | 19 | 87.2 | 39 | 70.9 | 5 | 4.59 | 6 | 0 |
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| 2014 | 76.1 | 46 | 87.1 | 41 | 65.2 | 54 | 0.03 | 76 | 0 |
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| 2013 | 75.3 | 55 | 85.9 | 57 | 64.7 | 56 | 1.33 | 29 | 0 |
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| 2012 | 79.8 | 11 | 89.8 | 13 | 69.7 | 12 | 2.11 | 16 | 0 |
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| 2011 | 82.3 | 1 | 93.6 | 1 | 71 | 3 | 0.00 | 84 | 0 |
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| 2010 | 77 | 33 | 86.2 | 53 | 67.7 | 23 | 4.40 | 7 | 0 |
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| 2009 | 79.6 | 12 | 91.5 | 3 | 67.6 | 26 | 0.15 | 68 | 0 |
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| 2008 | 77.8 | 24 | 89.1 | 17 | 66.4 | 37 | 1.30 | 30 | 0 |
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| 2007 | 74.5 | 69 | 84.8 | 69 | 64.1 | 64 | 0.61 | 49 | 0 |
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| 2006 | 80.3 | 9 | 91.4 | 4 | 69.3 | 19 | 0.02 | 78 | 0 |
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| 2005 | 75.5 | 53 | 87.5 | 35 | 63.5 | 72 | 0.02 | 78 | 0 |
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| 2004 | 74.2 | 72 | 82.9 | 80 | 65.4 | 50 | 5.84 | 3 | 0 |
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| 2003 | 75.7 | 52 | 85.1 | 66 | 66.2 | 41 | 2.05 | 17 | 0 |
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| 2002 | 79.5 | 13 | 89.3 | 16 | 69.7 | 12 | 0.79 | 43 | 0 |
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| 2001 | 79.3 | 16 | 88.6 | 23 | 69.9 | 10 | 0.13 | 69 | 0 |
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| 2000 | 77.3 | 29 | 88.2 | 29 | 66.4 | 37 | 0.60 | 50 | 0 |
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| 1999 | 80.5 | 7 | 90.2 | 10 | 70.8 | 6 | 0.04 | 75 | 0 |
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| 1998 | 75.3 | 55 | 87 | 43 | 63.6 | 68 | 0.02 | 78 | 0 |
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| 1997 | 70.5 | 85 | 78.6 | 85 | 62.4 | 77 | | | 0 |
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| 1996 | 75 | 60 | 87.8 | 33 | 62.1 | 80 | 1.51 | 27 | 0 |
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| 1995 | 76.6 | 41 | 87.2 | 39 | 66.1 | 42 | 0.49 | 57 | 0 |
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| 1994 | 75.8 | 51 | 85.2 | 65 | 66.5 | 36 | 0.89 | 41 | 0 |
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| 1993 | 75.1 | 59 | 86.1 | 56 | 64.2 | 61 | 0.33 | 62 | 0 |
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| 1992 | 74 | 74 | 83.3 | 79 | 64.8 | 55 | 5.90 | 2 | 0 |
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| 1991 | 80.6 | 4 | 89.4 | 15 | 71.9 | 1 | 1.27 | 32 | 0 |
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| 1990 | 77.2 | 30 | 86.6 | 48 | 67.7 | 23 | 1.19 | 33 | 0 |
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| 1989 | 76.4 | 44 | 88.6 | 23 | 64.1 | 64 | 1.49 | 28 | 0 |
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| 1988 | 76.6 | 41 | 88.6 | 23 | 64.7 | 56 | 0.55 | 53 | 0 |
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| 1987 | 72.9 | 81 | 85.4 | 62 | 60.3 | 83 | 0.54 | 54 | 0 |
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| 1986 | 79.4 | 14 | 88.7 | 22 | 70 | 9 | 0.97 | 39 | 0 |
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| 1985 | 76.9 | 35 | 86.5 | 50 | 67.3 | 32 | 0.92 | 40 | 0 |
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| 1984 | 78.4 | 23 | 91.1 | 6 | 65.8 | 46 | trace | 82 | 0 |
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| 1983 | 74.4 | 70 | 86.3 | 52 | 62.5 | 75 | trace | 82 | 0 |
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| 1982 | 75.2 | 57 | 85 | 67 | 65.3 | 53 | 1.17 | 35 | 0 |
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| 1981 | 77.4 | 28 | 86.4 | 51 | 68.4 | 21 | 2.95 | 12 | 0 |
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| 1980 | 74.6 | 66 | 87 | 43 | 62.2 | 78 | 0.03 | 76 | 0 |
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| 1979 | 77.2 | 30 | 86.9 | 46 | 67.4 | 29 | 2.90 | 13 | 0 |
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| 1978 | 76.1 | 46 | 85.4 | 62 | 66.7 | 34 | 0.78 | 44 | 0 |
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| 1977 | 73.6 | 76 | 83.6 | 78 | 63.5 | 72 | 1.97 | 19 | 0 |
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| 1976 | 74.4 | 70 | 82.8 | 82 | 66 | 45 | 4.22 | 8 | 0 |
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| 1975 | 76.6 | 41 | 85.6 | 60 | 67.7 | 23 | 0.05 | 74 | 0 |
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| 1974 | 75.5 | 53 | 84.9 | 68 | 66.1 | 42 | 1.74 | 24 | 0 |
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| 1973 | 73.3 | 78 | 82.9 | 80 | 63.7 | 66 | 0.78 | 44 | 0 |
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| 1972 | 78.8 | 20 | 88.6 | 23 | 69 | 20 | 1.71 | 26 | 0 |
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| 1971 | 73.8 | 75 | 84 | 75 | 63.6 | 68 | 1.29 | 31 | 0 |
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| 1970 | 77 | 33 | 86.6 | 48 | 67.4 | 29 | 0.57 | 52 | 0 |
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| 1969 | 77.1 | 32 | 87.1 | 41 | 67.1 | 33 | 0.29 | 63 | 0 |
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| 1968 | 74.9 | 62 | 83.8 | 76 | 66.1 | 42 | 1.93 | 21 | 0 |
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| 1967 | 80.8 | 3 | 90.2 | 10 | 71.3 | 2 | 0.48 | 59 | 0 |
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| 1966 | 76.4 | 44 | 86.2 | 53 | 66.6 | 35 | 4.01 | 9 | 0 |
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| 1965 | 78.5 | 22 | 89.5 | 14 | 67.5 | 28 | 0.16 | 66 | 0 |
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| 1964 | 78.7 | 21 | 88 | 32 | 69.4 | 17 | 0.98 | 38 | 0 |
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| 1963 | 80.4 | 8 | 91.3 | 5 | 69.5 | 16 | 0.07 | 73 | 0 |
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| 1962 | 75.2 | 57 | 86.8 | 47 | 63.6 | 68 | 0.37 | 61 | 0 |
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| 1961 | 73.3 | 78 | 84.5 | 71 | 62 | 81 | 1.87 | 22 | 0 |
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| 1960 | 74.8 | 64 | 85.3 | 64 | 64.2 | 61 | 2.31 | 15 | 0 |
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| 1959 | 71.8 | 84 | 82 | 84 | 61.5 | 82 | 1.19 | 33 | 0 |
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| 1958 | 76 | 49 | 87.3 | 38 | 64.6 | 59 | 0.08 | 72 | 0 |
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| 1957 | 74.8 | 64 | 84.2 | 73 | 65.4 | 50 | 3.81 | 10 | 0 |
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| 1956 | 74.6 | 66 | 84.4 | 72 | 64.7 | 56 | 1.08 | 36 | 0 |
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| 1955 | 77.7 | 27 | 89 | 19 | 66.4 | 37 | 0.11 | 70 | 0 |
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| 1954 | 76.8 | 39 | 85.8 | 58 | 67.8 | 22 | 10.58 | 1 | 0 |
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| 1953 | 77.8 | 24 | 89.9 | 12 | 65.6 | 48 | 0.75 | 46 | 0 |
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| 1952 | 73.4 | 77 | 84.2 | 73 | 62.5 | 75 | 0.49 | 57 | 0 |
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| 1951 | 74.1 | 73 | 84.6 | 70 | 63.6 | 68 | 0.44 | 60 | 0 |
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| 1950 | 76.9 | 35 | 86.2 | 53 | 67.6 | 26 | 1.98 | 18 | 0 |
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| 1949 | 72.2 | 83 | 82.1 | 83 | 62.2 | 78 | 3.67 | 11 | 0 |
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| 1948 | 76 | 49 | 89 | 19 | 63 | 74 | 0.54 | 54 | 0 |
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| 1947 | 75 | 60 | 85.7 | 59 | 64.3 | 60 | 1.96 | 20 | 0 |
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| 1946 | 73.3 | 78 | 87.6 | 34 | 59.3 | 84 | 1.72 | 25 | 1 |
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| 1945 | 76.7 | 40 | 87 | 43 | 65.8 | 46 | 2.49 | 14 | 3 |
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| 1944 | 72.9 | 81 | 88.5 | 27 | 57.3 | 85 | 0.02 | 78 | 1 |
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| 1943 | 76.1 | 46 | 88.4 | 28 | 63.7 | 66 | 1.02 | 37 | 0 |
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| 1942 | 74.9 | 62 | 85.6 | 60 | 64.2 | 61 | 0.09 | 71 | 0 |
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