Every December in Austin-Bergstrom Airport, TX from 1942 to 2025, 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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| 2025 | 56.4 | 10 | 68.6 | 9 | 44.1 | 20 | 0.74 | 59 | 0 |
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| 2024 | 58.5 | 4 | 70.6 | 2 | 46.3 | 7 | 2.01 | 37 | 0 |
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| 2023 | 54.4 | 27 | 68.2 | 12 | 40.6 | 44 | 2.32 | 30 | 0 |
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| 2022 | 52.9 | 34 | 64.1 | 38 | 41.6 | 32 | 1.67 | 39 | 0 |
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| 2021 | 62.7 | 1 | 75 | 1 | 50.5 | 2 | 1.24 | 47 | 0 |
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| 2020 | 52.4 | 38 | 68.3 | 11 | 36.6 | 66 | 4.40 | 8 | 0 |
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| 2019 | 52.6 | 36 | 68 | 13 | 37.2 | 63 | 0.78 | 58 | 0 |
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| 2018 | 52.5 | 37 | 63.6 | 44 | 41.3 | 39 | 6.37 | 2 | 0 |
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| 2017 | 50.4 | 57 | 62 | 53 | 38.8 | 58 | 3.65 | 19 | 0 |
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| 2016 | 54.8 | 20 | 64.5 | 32 | 45.1 | 14 | 3.11 | 22 | 0 |
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| 2015 | 55.2 | 13 | 68.8 | 7 | 41.5 | 37 | 2.29 | 32 | 0 |
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| 2014 | 53.3 | 30 | 62.6 | 48 | 44 | 22 | 2.12 | 34 | 0 |
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| 2013 | 47.4 | 73 | 59.6 | 69 | 35.3 | 73 | 0.86 | 52 | 0 |
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| 2012 | 54.7 | 24 | 68.9 | 6 | 40.6 | 44 | 0.83 | 55 | 0 |
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| 2011 | 51.4 | 48 | 61.1 | 58 | 41.6 | 32 | 4.89 | 7 | 0 |
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| 2010 | 51.3 | 52 | 66 | 26 | 36.6 | 66 | 0.80 | 56 | 0 |
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| 2009 | 46.1 | 74 | 56.5 | 75 | 35.8 | 70 | 2.53 | 27 | 0 |
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| 2008 | 51.3 | 52 | 65.9 | 27 | 36.7 | 64 | 0.38 | 71 | 0 |
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| 2007 | 52.1 | 41 | 67.5 | 16 | 36.7 | 64 | 0.60 | 65 | 0 |
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| 2006 | 52 | 42 | 64.3 | 36 | 39.6 | 52 | 4.08 | 11 | 0 |
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| 2005 | 50.1 | 62 | 65.4 | 29 | 34.8 | 74 | 0.20 | 77 | 0 |
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| 2004 | 50 | 63 | 64.5 | 32 | 35.6 | 71 | 0.20 | 77 | 0 |
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| 2003 | 51.4 | 48 | 67.3 | 18 | 35.6 | 71 | 0.66 | 62 | 0 |
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| 2002 | 50.6 | 55 | 63.2 | 47 | 37.9 | 62 | 4.93 | 6 | 0 |
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| 2001 | 51.8 | 45 | 63.6 | 44 | 39.9 | 49 | 3.91 | 14 | 0 |
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| 2000 | 43.8 | 78 | 54.4 | 77 | 33.3 | 78 | 2.96 | 26 | 0 |
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| 1999 | 52.2 | 39 | 68 | 13 | 36.4 | 68 | 0.69 | 60 | 0 |
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| 1998 | 50.3 | 60 | 61.4 | 57 | 39.3 | 55 | 1.33 | 44 | 0 |
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| 1997 | 47.5 | 72 | 61.1 | 58 | 33.9 | 76 | 4.14 | 10 | 0 |
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| 1995 | | | | | | | | | 14 |
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| 1994 | | | | | | | | | 7 |
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| 1993 | | | | | | | | | 6 |
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| 1992 | | | | | | | 3.88 | 15 | 12 |
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| 1991 | 54.9 | 17 | 62.6 | 48 | 47.1 | 5 | 12.88 | 1 | 0 |
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| 1990 | 52 | 42 | 64.1 | 38 | 39.9 | 49 | 0.67 | 61 | 0 |
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| 1989 | 46 | 75 | 57.7 | 73 | 34.4 | 75 | 0.14 | 79 | 0 |
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| 1988 | 56.3 | 11 | 66.9 | 21 | 45.7 | 11 | 1.19 | 48 | 0 |
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| 1987 | 53.7 | 29 | 63.7 | 43 | 43.8 | 24 | 1.27 | 46 | 0 |
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| 1986 | 51.8 | 45 | 59.2 | 72 | 44.3 | 18 | 5.96 | 3 | 0 |
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| 1985 | 49.4 | 69 | 60.2 | 62 | 38.6 | 60 | 0.96 | 51 | 0 |
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| 1984 | 61.3 | 2 | 69.9 | 3 | 52.6 | 1 | 3.05 | 25 | 0 |
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| 1983 | 45.2 | 76 | 54.6 | 76 | 35.9 | 69 | 0.58 | 67 | 0 |
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| 1982 | 54.8 | 20 | 63.9 | 41 | 45.6 | 12 | 1.94 | 38 | 0 |
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| 1981 | 54.6 | 26 | 65.1 | 30 | 44.2 | 19 | 0.31 | 75 | 0 |
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| 1980 | 54.7 | 24 | 65.1 | 30 | 44.4 | 17 | 1.67 | 39 | 0 |
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| 1979 | 53 | 31 | 64.5 | 32 | 41.5 | 37 | 4.03 | 13 | 0 |
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| 1978 | 51.4 | 48 | 62.2 | 51 | 40.6 | 44 | 3.79 | 16 | 0 |
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| 1977 | 54.9 | 17 | 67.1 | 19 | 42.7 | 26 | 0.33 | 73 | 0 |
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| 1976 | 49.4 | 69 | 59.9 | 64 | 38.4 | 61 | 2.30 | 31 | 1 |
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| 1975 | 53 | 31 | 64.1 | 38 | 41.9 | 29 | 2.25 | 33 | 0 |
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| 1974 | 52.2 | 39 | 61.9 | 55 | 42.4 | 28 | 2.34 | 28 | 0 |
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| 1973 | 54.8 | 20 | 68 | 13 | 41.7 | 30 | 0.62 | 64 | 0 |
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| 1972 | 49.6 | 67 | 60.1 | 63 | 39.2 | 56 | 0.52 | 70 | 0 |
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| 1971 | 57.9 | 5 | 66.5 | 23 | 49.3 | 3 | 4.07 | 12 | 0 |
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| 1970 | 58.8 | 3 | 69.2 | 5 | 48.3 | 4 | 0.66 | 62 | 0 |
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| 1969 | 54.8 | 20 | 65.5 | 28 | 44.1 | 20 | 4.38 | 9 | 0 |
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| 1968 | 50.6 | 55 | 62 | 53 | 39.2 | 56 | 1.14 | 49 | 0 |
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| 1967 | 49.7 | 65 | 59.3 | 71 | 40 | 47 | 3.25 | 21 | 0 |
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| 1966 | 50.3 | 60 | 61.7 | 56 | 38.8 | 58 | 1.57 | 43 | 0 |
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| 1965 | 55.1 | 15 | 63.9 | 41 | 46.2 | 8 | 5.14 | 5 | 0 |
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| 1964 | 51.8 | 45 | 62.4 | 50 | 41.3 | 39 | 0.85 | 54 | 0 |
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| 1963 | 43.9 | 77 | 54.1 | 78 | 33.7 | 77 | 1.62 | 41 | 0 |
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| 1962 | 50 | 63 | 59.9 | 64 | 40 | 47 | 3.52 | 20 | 0 |
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| 1961 | 51.4 | 48 | 61.1 | 58 | 41.6 | 32 | 0.97 | 50 | 0 |
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| 1960 | 49.2 | 71 | 57.5 | 74 | 40.9 | 42 | 3.74 | 18 | 0 |
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| 1959 | 54.1 | 28 | 63.4 | 46 | 44.7 | 16 | 2.11 | 35 | 0 |
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| 1958 | 49.6 | 67 | 59.7 | 68 | 39.6 | 52 | 0.79 | 57 | 0 |
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| 1957 | 56.6 | 9 | 67.4 | 17 | 45.9 | 10 | 1.59 | 42 | 0 |
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| 1956 | 56.8 | 8 | 68.7 | 8 | 44.9 | 15 | 2.34 | 28 | 0 |
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| 1955 | 53 | 31 | 64.4 | 35 | 41.6 | 32 | 0.86 | 52 | 0 |
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| 1954 | 57.5 | 6 | 69.6 | 4 | 45.5 | 13 | 0.34 | 72 | 0 |
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| 1953 | 49.7 | 65 | 59.5 | 70 | 39.9 | 49 | 5.83 | 4 | 0 |
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| 1952 | 51.2 | 54 | 60.8 | 61 | 41.7 | 30 | 3.10 | 24 | 0 |
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| 1951 | 54.9 | 17 | 67.1 | 19 | 42.6 | 27 | 0.55 | 68 | 0 |
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| 1950 | 52.8 | 35 | 66.2 | 25 | 39.4 | 54 | 0.01 | 80 | 0 |
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| 1949 | 55.2 | 13 | 64.2 | 37 | 46.2 | 8 | 3.11 | 22 | 0 |
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| 1948 | | | | | | | 0.32 | 74 | 4 |
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| 1947 | 56.3 | 11 | 68.6 | 9 | 43.9 | 23 | 0.60 | 65 | 3 |
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| 1946 | 57 | 7 | 66.3 | 24 | 47 | 6 | 0.53 | 69 | 1 |
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| 1945 | 51.9 | 44 | 62.1 | 52 | 41.6 | 32 | 2.09 | 36 | 0 |
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| 1944 | 50.4 | 57 | 59.8 | 67 | 41 | 41 | 3.78 | 17 | 0 |
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| 1943 | 50.4 | 57 | 59.9 | 64 | 40.8 | 43 | 1.33 | 44 | 0 |
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| 1942 | 55.1 | 15 | 66.6 | 22 | 43.6 | 25 | 0.26 | 76 | 0 |
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