Every August in Oxnard, CA from 1923 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 | 73.3 | 1 | 81.7 | 3 | 65 | 1 | 0.00 | 41 | 0 |
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| 2025 | 69.1 | 18 | 78 | 16 | 60.1 | 25 | 0.00 | 41 | 0 |
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| 2024 | 67.8 | 35 | 76.8 | 32 | 58.9 | 45 | 0.00 | 41 | 0 |
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| 2023 | 69.4 | 15 | 77.4 | 25 | 61.4 | 15 | 1.78 | 1 | 0 |
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| 2022 | 68.7 | 22 | 76.8 | 32 | 60.6 | 19 | 0.00 | 41 | 0 |
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| 2021 | 68.8 | 21 | 77.7 | 21 | 59.8 | 28 | 0.02 | 18 | 0 |
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| 2020 | 71.1 | 6 | 80.6 | 4 | 61.6 | 13 | 0.01 | 21 | 0 |
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| 2019 | 69.1 | 18 | 78.6 | 11 | 59.6 | 32 | 0.00 | 41 | 0 |
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| 2018 | 72.5 | 2 | 82.4 | 1 | 62.7 | 4 | 0.00 | 41 | 0 |
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| 2017 | 70.1 | 9 | 78.3 | 12 | 61.8 | 10 | trace | 26 | 0 |
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| 2016 | 68.3 | 27 | 77 | 28 | 59.5 | 34 | 0.00 | 41 | 0 |
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| 2015 | 70.8 | 8 | 80 | 6 | 61.7 | 12 | trace | 26 | 0 |
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| 2014 | 68.6 | 24 | 77 | 28 | 60.3 | 22 | 0.03 | 15 | 0 |
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| 2013 | 67 | 47 | 74.6 | 62 | 59.5 | 34 | 0.00 | 41 | 0 |
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| 2012 | 69.5 | 12 | 77.8 | 19 | 61.2 | 16 | 0.05 | 13 | 0 |
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| 2011 | 65.8 | 65 | 73.1 | 80 | 58.5 | 50 | trace | 26 | 0 |
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| 2010 | 63.7 | 88 | 71.3 | 97 | 56.1 | 74 | trace | 26 | 0 |
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| 2009 | 66.8 | 51 | 75.6 | 48 | 58.2 | 56 | trace | 26 | 1 |
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| 2008 | 69.6 | 10 | 76.2 | 36 | 63 | 3 | 0.01 | 21 | 0 |
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| 2007 | 67.8 | 35 | 75.7 | 45 | 59.9 | 27 | trace | 26 | 0 |
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| 2006 | 67.3 | 43 | 75.5 | 50 | 59.1 | 40 | 0.01 | 21 | 0 |
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| 2005 | 68.2 | 30 | 75.6 | 48 | 60.6 | 19 | 0.00 | 41 | 2 |
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| 2004 | 66.8 | 51 | 75 | 58 | 58.6 | 48 | 0.00 | 41 | 0 |
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| 2003 | 68.1 | 32 | 77.7 | 21 | 58.6 | 48 | 0.00 | 41 | 0 |
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| 2002 | 65.3 | 68 | 73.8 | 70 | 56.9 | 66 | 0.01 | 21 | 1 |
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| 2001 | 66.2 | 57 | 74.2 | 66 | 58.3 | 53 | 0.00 | 41 | 0 |
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| 2000 | 68.7 | 22 | 77.5 | 23 | 59.8 | 28 | 0.00 | 41 | 0 |
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| 1999 | 64.8 | 77 | 74.1 | 69 | 55.5 | 78 | 0.00 | 41 | 0 |
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| 1998 | 71.1 | 6 | 80.4 | 5 | 61.8 | 10 | trace | 26 | 0 |
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| 1997 | 69.5 | 12 | 77.1 | 27 | 62.1 | 7 | trace | 26 | 1 |
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| 1996 | 66.5 | 55 | 73.5 | 74 | 59.5 | 34 | 0.00 | 41 | 0 |
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| 1995 | 65 | 74 | 72 | 92 | 58 | 58 | 0.00 | 41 | 0 |
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| 1994 | 69.6 | 10 | 77.2 | 26 | 62.1 | 7 | 0.00 | 41 | 0 |
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| 1993 | 67.5 | 40 | 73.5 | 74 | 61.5 | 14 | 0.00 | 41 | 0 |
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| 1992 | 69.3 | 16 | 75.9 | 38 | 62.6 | 5 | 0.00 | 41 | 0 |
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| 1991 | 66.4 | 56 | 72.5 | 86 | 60.3 | 22 | 0.01 | 21 | 0 |
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| 1990 | 67.7 | 38 | 74.2 | 66 | 61.2 | 16 | 0.07 | 12 | 0 |
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| 1989 | 65.3 | 68 | 71.4 | 95 | 59.2 | 37 | 0.00 | 41 | 0 |
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| 1988 | 66 | 60 | 72.3 | 88 | 59.7 | 30 | 0.00 | 41 | 0 |
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| 1987 | 65.1 | 72 | 71.7 | 93 | 58.4 | 51 | 0.00 | 41 | 0 |
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| 1986 | 64.2 | 82 | 70.3 | 99 | 58 | 58 | 0.00 | 41 | 0 |
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| 1985 | 67.3 | 43 | 74.6 | 62 | 60 | 26 | 0.00 | 41 | 0 |
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| 1984 | 71.2 | 5 | 77.9 | 18 | 64.4 | 2 | 0.10 | 8 | 0 |
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| 1983 | 71.3 | 4 | 80 | 6 | 62.6 | 5 | 0.90 | 3 | 1 |
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| 1982 | 67.5 | 40 | 75.9 | 38 | 59.2 | 37 | 0.00 | 41 | 0 |
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| 1981 | 68.5 | 26 | 76.7 | 35 | 60.2 | 24 | 0.00 | 41 | 1 |
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| 1980 | 67.6 | 39 | 76.9 | 31 | 58.2 | 56 | 0.00 | 41 | 0 |
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| 1979 | 67.1 | 45 | 75.8 | 41 | 58.4 | 51 | 0.00 | 41 | 0 |
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| 1978 | 67 | 47 | 75.4 | 53 | 58.7 | 47 | 0.00 | 41 | 0 |
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| 1977 | 69.2 | 17 | 78 | 16 | 60.5 | 21 | 1.04 | 2 | 0 |
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| 1976 | 68.3 | 27 | 79.3 | 10 | 57.2 | 64 | 0.02 | 18 | 0 |
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| 1975 | 67.1 | 45 | 76.2 | 36 | 58 | 58 | 0.00 | 41 | 0 |
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| 1974 | 68 | 33 | 76.8 | 32 | 59.2 | 37 | 0.00 | 41 | 0 |
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| 1973 | 67.5 | 40 | 75.8 | 41 | 59.1 | 40 | trace | 26 | 2 |
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| 1972 | 68.9 | 20 | 79.7 | 8 | 58 | 58 | 0.00 | 41 | 0 |
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| 1971 | 72.1 | 3 | 82.1 | 2 | 62 | 9 | 0.00 | 41 | 1 |
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| 1970 | 64.9 | 75 | 74.9 | 59 | 54.9 | 81 | 0.00 | 41 | 0 |
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| 1969 | 68 | 33 | 77 | 28 | 59 | 43 | 0.00 | 41 | 0 |
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| 1968 | 65.5 | 67 | 74.9 | 59 | 56.1 | 74 | 0.12 | 7 | 0 |
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| 1967 | 67.8 | 35 | 75.9 | 38 | 59.7 | 30 | 0.00 | 41 | 0 |
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| 1966 | 66.7 | 53 | 75.5 | 50 | 57.9 | 62 | trace | 26 | 0 |
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| 1965 | 67 | 47 | 75.7 | 45 | 58.3 | 53 | 0.00 | 41 | 1 |
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| 1964 | 65.9 | 62 | 73.8 | 70 | 57.9 | 62 | 0.00 | 41 | 0 |
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| 1963 | 67 | 47 | 75.2 | 57 | 58.8 | 46 | 0.02 | 18 | 0 |
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| 1962 | 64.6 | 78 | 73.2 | 78 | 56.1 | 74 | 0.00 | 41 | 0 |
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| 1961 | 68.2 | 30 | 78.2 | 14 | 58.3 | 53 | trace | 26 | 0 |
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| 1960 | 65.3 | 68 | 75.3 | 55 | 55.3 | 79 | 0.00 | 41 | 0 |
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| 1959 | 68.6 | 24 | 78.1 | 15 | 59.1 | 40 | 0.00 | 41 | 0 |
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| 1958 | 68.3 | 27 | 75.5 | 50 | 61.2 | 16 | 0.00 | 41 | 0 |
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| 1957 | | | | | | | 0.00 | 41 | 11 |
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| 1956 | | | | | | | 0.00 | 41 | 8 |
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| 1955 | 65.6 | 66 | 74.9 | 59 | 56.4 | 69 | 0.10 | 8 | 0 |
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| 1954 | 66.6 | 54 | 74.2 | 66 | 59 | 43 | 0.00 | 41 | 0 |
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| 1953 | 63.1 | 92 | 72.2 | 91 | 54.2 | 88 | 0.00 | 41 | 1 |
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| 1952 | 63.9 | 86 | 71.5 | 94 | 56.3 | 70 | 0.00 | 41 | 0 |
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| 1951 | 64.4 | 80 | 72.6 | 84 | 56.3 | 70 | 0.08 | 10 | 0 |
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| 1950 | 62.5 | 97 | 70.3 | 99 | 54.7 | 84 | 0.00 | 41 | 0 |
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| 1949 | 64.2 | 82 | 74.6 | 62 | 53.8 | 91 | 0.00 | 41 | 0 |
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| 1948 | 63.8 | 87 | 73 | 81 | 54.5 | 86 | 0.00 | 41 | 0 |
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| 1947 | 62.8 | 94 | 73.2 | 78 | 52.4 | 97 | 0.03 | 15 | 0 |
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| 1946 | 64.2 | 82 | 73.5 | 74 | 54.9 | 81 | 0.00 | 41 | 0 |
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| 1945 | | | | | | | 0.00 | 41 | 31 |
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| 1944 | | | | | | | 0.00 | 41 | 31 |
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| 1943 | 63 | 93 | 72.3 | 88 | 53.8 | 91 | 0.00 | 41 | 0 |
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| 1942 | 65.1 | 72 | 73.7 | 73 | 56.6 | 67 | 0.05 | 13 | 0 |
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| 1941 | 64.5 | 79 | 75.4 | 53 | 53.7 | 93 | trace | 26 | 0 |
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| 1940 | 63.5 | 90 | 72.3 | 88 | 54.6 | 85 | 0.00 | 41 | 0 |
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| 1939 | 65.9 | 62 | 75.3 | 55 | 56.5 | 68 | trace | 26 | 0 |
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| 1938 | | | 77.8 | 19 | | | 0.00 | 41 | 31 |
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| 1937 | 64.9 | 75 | 72.8 | 83 | 57 | 65 | 0.00 | 41 | 0 |
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| 1936 | 66 | 60 | 75.8 | 41 | 56.3 | 70 | trace | 26 | 0 |
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| 1935 | 65.9 | 62 | 75.7 | 45 | 56 | 77 | 0.43 | 4 | 0 |
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| 1934 | 65.3 | 68 | 74.4 | 65 | 56.2 | 73 | trace | 26 | 0 |
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| 1933 | 62.1 | 98 | 71.4 | 95 | 52.9 | 94 | 0.23 | 5 | 0 |
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| 1932 | 63.3 | 91 | 72.5 | 86 | 54.2 | 88 | 0.00 | 41 | 0 |
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| 1931 | 69.5 | 12 | 79.4 | 9 | 59.6 | 32 | 0.03 | 15 | 0 |
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| 1930 | 66.1 | 59 | 78.3 | 12 | 53.9 | 90 | 0.00 | 41 | 0 |
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| 1929 | 66.2 | 57 | 77.5 | 23 | 54.9 | 81 | 0.00 | 41 | 0 |
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| 1928 | 64.1 | 85 | 73.3 | 77 | 55 | 80 | 0.00 | 41 | 0 |
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| 1927 | 62.6 | 95 | 72.6 | 84 | 52.6 | 96 | 0.08 | 10 | 0 |
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| 1926 | 64.3 | 81 | 75.8 | 41 | 52.8 | 95 | 0.00 | 41 | 0 |
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| 1925 | 62.6 | 95 | 73.8 | 70 | 51.4 | 98 | | | 0 |
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| 1924 | 60 | 99 | 70.5 | 98 | 49.4 | 99 | | | 0 |
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| 1923 | 63.7 | 88 | 73 | 81 | 54.4 | 87 | 0.13 | 6 | 1 |
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