Every April in San Francisco Airport, CA from 1946 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 | 59.1 | 8 | 66.4 | 18 | 51.9 | 3 | 3.12 | 9 | 0 |
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| 2025 | 56.8 | 31 | 64.4 | 37 | 49.2 | 28 | 0.37 | 58 | 0 |
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| 2024 | 57.7 | 23 | 65.2 | 31 | 50.2 | 15 | 0.77 | 45 | 0 |
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| 2023 | 56.3 | 38 | 63.9 | 48 | 48.7 | 34 | 0.10 | 75 | 0 |
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| 2022 | 57.5 | 26 | 65.6 | 25 | 49.4 | 26 | 0.97 | 40 | 0 |
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| 2021 | 57.7 | 23 | 65.1 | 33 | 50.3 | 13 | trace | 79 | 0 |
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| 2020 | 57.8 | 21 | 65.4 | 28 | 50.2 | 15 | 1.36 | 30 | 0 |
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| 2019 | 58.9 | 11 | 66.9 | 12 | 50.9 | 6 | 0.20 | 68 | 0 |
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| 2018 | 58.3 | 16 | 65.7 | 24 | 50.9 | 6 | 2.24 | 15 | 0 |
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| 2017 | 58.5 | 13 | 66.2 | 19 | 50.7 | 9 | 2.20 | 17 | 0 |
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| 2016 | 60.3 | 3 | 68 | 8 | 52.6 | 1 | 0.82 | 43 | 0 |
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| 2015 | 58.7 | 12 | 66.8 | 14 | 50.5 | 11 | 1.28 | 32 | 0 |
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| 2014 | 60.1 | 4 | 68.3 | 6 | 51.9 | 3 | 1.61 | 24 | 0 |
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| 2013 | 58.5 | 13 | 67.4 | 10 | 49.5 | 23 | 0.47 | 54 | 0 |
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| 2012 | 56.9 | 29 | 64 | 47 | 49.8 | 19 | 2.79 | 11 | 0 |
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| 2011 | 55.5 | 49 | 62.2 | 60 | 48.8 | 33 | 0.33 | 62 | 0 |
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| 2010 | 55.5 | 49 | 62.8 | 54 | 48.3 | 37 | 2.75 | 13 | 0 |
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| 2009 | 56.4 | 37 | 64.3 | 42 | 48.4 | 36 | 0.27 | 64 | 0 |
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| 2008 | 55.4 | 53 | 64.1 | 45 | 46.7 | 59 | 0.03 | 77 | 0 |
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| 2007 | 56 | 41 | 63.4 | 50 | 48.7 | 34 | 1.14 | 36 | 0 |
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| 2006 | 55.6 | 48 | 61.2 | 69 | 49.9 | 18 | 4.01 | 5 | 0 |
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| 2005 | 56.8 | 31 | 64.3 | 42 | 49.2 | 28 | 1.70 | 21 | 0 |
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| 2004 | 59.3 | 6 | 68 | 8 | 50.7 | 9 | 0.10 | 75 | 0 |
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| 2003 | 54.3 | 65 | 60.3 | 74 | 48.3 | 37 | 4.42 | 4 | 0 |
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| 2002 | 56.7 | 34 | 63.7 | 49 | 49.7 | 21 | 0.36 | 60 | 0 |
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| 2001 | 53.6 | 71 | 60.4 | 73 | 46.7 | 59 | 1.56 | 26 | 0 |
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| 2000 | 58.2 | 17 | 65.6 | 25 | 50.8 | 8 | 1.30 | 31 | 0 |
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| 1999 | 54.6 | 61 | 61.8 | 63 | 47.3 | 51 | 2.18 | 18 | 0 |
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| 1998 | 55.7 | 46 | 62.5 | 57 | 48.9 | 32 | 2.24 | 15 | 0 |
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| 1997 | 58.2 | 17 | 66.6 | 16 | 49.8 | 19 | 0.30 | 63 | 0 |
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| 1996 | 59.1 | 8 | 68.2 | 7 | 50 | 17 | 1.40 | 29 | 0 |
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| 1995 | 55 | 55 | 62.1 | 61 | 47.9 | 45 | 1.41 | 28 | 0 |
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| 1994 | 56.8 | 31 | 64.4 | 37 | 49.2 | 28 | 1.12 | 37 | 0 |
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| 1993 | 58.1 | 19 | 65.6 | 25 | 50.5 | 11 | 0.41 | 55 | 0 |
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| 1992 | 60.6 | 2 | 69 | 4 | 52.2 | 2 | 0.25 | 65 | 0 |
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| 1991 | 55.7 | 46 | 63.3 | 52 | 48.1 | 42 | 0.61 | 51 | 0 |
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| 1990 | 58.5 | 13 | 66.6 | 16 | 50.3 | 13 | 0.20 | 68 | 0 |
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| 1989 | 60.7 | 1 | 70.5 | 1 | 51 | 5 | 0.78 | 44 | 0 |
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| 1988 | 58.1 | 19 | 66.7 | 15 | 49.5 | 23 | 2.02 | 19 | 0 |
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| 1987 | 59.2 | 7 | 69.1 | 3 | 49.3 | 27 | 0.16 | 70 | 0 |
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| 1986 | 56.1 | 39 | 64.4 | 37 | 47.9 | 45 | 0.39 | 57 | 0 |
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| 1985 | 59 | 10 | 68.8 | 5 | 49.1 | 31 | 0.12 | 73 | 0 |
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| 1984 | 55.9 | 43 | 65.2 | 31 | 46.7 | 59 | 0.68 | 49 | 0 |
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| 1983 | 54.7 | 59 | 61.2 | 69 | 48.2 | 40 | 3.11 | 10 | 0 |
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| 1982 | 54.6 | 61 | 62.4 | 59 | 46.8 | 58 | 3.25 | 8 | 0 |
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| 1981 | 56.1 | 39 | 65.4 | 28 | 46.9 | 57 | 0.24 | 66 | 0 |
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| 1980 | 55.8 | 44 | 64.7 | 36 | 47 | 54 | 0.90 | 42 | 0 |
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| 1979 | 55.5 | 49 | 62.7 | 56 | 48.2 | 40 | 0.69 | 48 | 0 |
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| 1978 | 54.9 | 56 | 62.1 | 61 | 47.7 | 48 | 4.50 | 3 | 0 |
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| 1977 | 55.5 | 49 | 64.4 | 37 | 46.6 | 63 | trace | 79 | 0 |
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| 1976 | 53.3 | 72 | 61.7 | 65 | 44.8 | 77 | 0.92 | 41 | 0 |
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| 1975 | 50.6 | 81 | 57.6 | 80 | 43.5 | 81 | 1.66 | 22 | 0 |
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| 1974 | 54.7 | 59 | 63.1 | 53 | 46.4 | 67 | 2.32 | 14 | 0 |
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| 1973 | 56.7 | 34 | 65.9 | 20 | 47.5 | 50 | 0.11 | 74 | 0 |
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| 1972 | 55.3 | 54 | 64.1 | 45 | 46.6 | 63 | 1.20 | 34 | 0 |
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| 1971 | 53 | 74 | 60.7 | 72 | 45.2 | 74 | 0.77 | 45 | 0 |
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| 1970 | 53.7 | 70 | 61.8 | 63 | 45.6 | 71 | 0.22 | 67 | 0 |
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| 1969 | 54 | 68 | 61.4 | 67 | 46.6 | 63 | 1.87 | 20 | 0 |
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| 1968 | 54.9 | 56 | 64.4 | 37 | 45.4 | 72 | 0.55 | 52 | 0 |
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| 1967 | 50.9 | 80 | 57.4 | 81 | 44.3 | 78 | 5.31 | 2 | 0 |
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| 1966 | 57.8 | 21 | 67.4 | 10 | 48.3 | 37 | 0.40 | 56 | 0 |
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| 1965 | 54.5 | 64 | 61.4 | 67 | 47.6 | 49 | 3.47 | 7 | 0 |
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| 1964 | 54.2 | 67 | 63.4 | 50 | 45 | 76 | 0.01 | 78 | 0 |
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| 1963 | 53 | 74 | 59.4 | 77 | 46.5 | 66 | 3.70 | 6 | 0 |
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| 1962 | 56 | 41 | 65 | 34 | 47 | 54 | 0.34 | 61 | 0 |
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| 1961 | 57.1 | 27 | 66.9 | 12 | 47.3 | 51 | 1.25 | 33 | 0 |
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| 1960 | 55.8 | 44 | 64.3 | 42 | 47.2 | 53 | 0.73 | 47 | 0 |
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| 1959 | 59.8 | 5 | 69.9 | 2 | 49.7 | 21 | 0.37 | 58 | 0 |
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| 1958 | 57.7 | 23 | 65.9 | 20 | 49.5 | 23 | 6.36 | 1 | 0 |
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| 1957 | 56.9 | 29 | 65.8 | 22 | 48 | 44 | 1.58 | 25 | 0 |
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| 1956 | 54.3 | 65 | 62.5 | 57 | 46 | 69 | 1.15 | 35 | 0 |
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| 1955 | 52.1 | 79 | 60.2 | 75 | 43.9 | 80 | 1.54 | 27 | 0 |
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| 1954 | 56.6 | 36 | 65.4 | 28 | 47.9 | 45 | 1.03 | 38 | 0 |
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| 1953 | 52.5 | 77 | 59.7 | 76 | 45.2 | 74 | 1.66 | 22 | 0 |
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| 1952 | 54.9 | 56 | 62.8 | 54 | 47 | 54 | 0.48 | 53 | 0 |
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| 1951 | 52.2 | 78 | 58.4 | 79 | 45.9 | 70 | 0.66 | 50 | 0 |
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| 1950 | 54.6 | 61 | 64.9 | 35 | 44.3 | 78 | 0.98 | 39 | 0 |
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| 1949 | 53.9 | 69 | 61.6 | 66 | 46.1 | 68 | trace | 79 | 0 |
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| 1948 | 52.6 | 76 | 58.5 | 78 | 46.7 | 59 | 2.77 | 12 | 0 |
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| 1947 | 57 | 28 | 65.8 | 22 | 48.1 | 42 | 0.13 | 72 | 0 |
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| 1946 | 53.3 | 72 | 61.2 | 69 | 45.4 | 72 | 0.15 | 71 | 0 |
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