Every 1 to 10 October in Alamosa, CO from 1932 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 | 54.1 | 5 | 72.6 | 12 | 35.5 | 6 | 0.01 | 59 | 0 |
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| 2025 | 52.4 | 8 | 73.4 | 10 | 31.3 | 25 | 0.15 | 33 | 0 |
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| 2024 | 54.6 | 4 | 77.7 | 1 | 31.4 | 23 | 0.00 | 78 | 0 |
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| 2023 | 50.3 | 23 | 69.2 | 36 | 31.3 | 25 | 0.39 | 15 | 0 |
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| 2022 | 49.6 | 35 | 64.3 | 78 | 34.8 | 8 | 0.42 | 13 | 0 |
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| 2021 | 49.1 | 43 | 67.6 | 51 | 30.6 | 34 | 0.21 | 23 | 0 |
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| 2020 | 50.3 | 23 | 75 | 4 | 25.6 | 78 | 0.00 | 78 | 0 |
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| 2019 | 48 | 58 | 69.5 | 32 | 26.5 | 68 | trace | 62 | 0 |
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| 2018 | 50.9 | 17 | 65.6 | 67 | 36.1 | 4 | 0.16 | 31 | 0 |
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| 2017 | 48.3 | 53 | 65.3 | 71 | 31.2 | 28 | 0.05 | 52 | 0 |
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| 2016 | 45.7 | 78 | 66.1 | 61 | 25.3 | 80 | 0.02 | 56 | 0 |
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| 2015 | 54.9 | 2 | 71.2 | 22 | 38.5 | 2 | 0.27 | 18 | 0 |
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| 2014 | 48 | 58 | 66 | 63 | 30 | 39 | 0.59 | 10 | 0 |
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| 2013 | 46.5 | 74 | 66.6 | 58 | 26.4 | 71 | 0.15 | 33 | 0 |
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| 2012 | 46.8 | 72 | 69.5 | 32 | 24 | 91 | 0.00 | 78 | 0 |
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| 2011 | 46.2 | 75 | 61.6 | 92 | 30.8 | 31 | 0.41 | 14 | 0 |
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| 2010 | 51.4 | 14 | 71.3 | 20 | 31.5 | 21 | 0.07 | 47 | 0 |
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| 2009 | 42.4 | 94 | 61.4 | 93 | 23.4 | 92 | 0.09 | 41 | 0 |
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| 2008 | 49.3 | 37 | 68 | 48 | 30.6 | 34 | 0.49 | 11 | 0 |
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| 2007 | 49 | 46 | 68.7 | 42 | 29.2 | 49 | 0.06 | 50 | 0 |
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| 2006 | 51.4 | 14 | 67.3 | 53 | 35.4 | 7 | 1.18 | 2 | 0 |
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| 2005 | 50.3 | 23 | 67.3 | 53 | 33.2 | 14 | 0.99 | 5 | 0 |
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| 2004 | 44.9 | 85 | 62.9 | 88 | 26.9 | 65 | 0.30 | 17 | 0 |
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| 2003 | 50.6 | 19 | 65.2 | 72 | 35.9 | 5 | 0.38 | 16 | 0 |
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| 2002 | 45.8 | 77 | 65.2 | 72 | 26.3 | 73 | 0.21 | 23 | 0 |
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| 2001 | 48.9 | 50 | 68.2 | 45 | 29.5 | 46 | 0.03 | 55 | 0 |
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| 2000 | 49.2 | 39 | 67 | 56 | 31.3 | 25 | 0.16 | 31 | 0 |
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| 1999 | 48.8 | 51 | 70 | 27 | 27.6 | 60 | 0.14 | 36 | 0 |
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| 1998 | 44.7 | 89 | 64.3 | 78 | 25.1 | 83 | 0.12 | 37 | 0 |
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| 1997 | 51.6 | 12 | 70.5 | 24 | 32.6 | 15 | 0.19 | 26 | 0 |
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| 1996 | 50.2 | 27 | 71.6 | 18 | 28.7 | 54 | 0.00 | 78 | 0 |
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| 1995 | 42.6 | 93 | 63.7 | 83 | 21.4 | 95 | 0.00 | 78 | 0 |
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| 1994 | 46.9 | 71 | 63.8 | 81 | 29.9 | 41 | 0.26 | 19 | 0 |
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| 1993 | 50.2 | 27 | 69.6 | 30 | 30.7 | 32 | 0.09 | 41 | 0 |
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| 1992 | 46.2 | 75 | 67.7 | 50 | 24.6 | 85 | trace | 62 | 0 |
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| 1991 | 49.2 | 39 | 73.8 | 8 | 24.6 | 85 | 0.00 | 78 | 0 |
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| 1990 | 47.6 | 64 | 64.6 | 77 | 30.5 | 37 | 0.15 | 33 | 0 |
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| 1989 | 48.7 | 52 | 66.7 | 57 | 30.7 | 32 | trace | 62 | 0 |
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| 1988 | 47.7 | 61 | 66.2 | 60 | 29.1 | 51 | 0.11 | 38 | 0 |
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| 1987 | 50.6 | 19 | 74.7 | 6 | 26.4 | 71 | 0.00 | 78 | 0 |
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| 1986 | 45.5 | 80 | 63.5 | 86 | 27.4 | 64 | 0.07 | 47 | 0 |
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| 1985 | 47 | 69 | 65.4 | 69 | 28.5 | 56 | 0.78 | 7 | 0 |
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| 1984 | 47.4 | 66 | 60.9 | 94 | 33.9 | 11 | 0.73 | 8 | 0 |
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| 1983 | 47.6 | 64 | 66.4 | 59 | 28.8 | 53 | trace | 62 | 0 |
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| 1982 | 43.2 | 92 | 62.1 | 89 | 24.3 | 90 | trace | 62 | 0 |
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| 1981 | 49 | 46 | 66 | 63 | 32 | 17 | 0.26 | 19 | 0 |
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| 1980 | 50.4 | 21 | 74.3 | 7 | 26.5 | 68 | 0.00 | 78 | 0 |
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| 1979 | 52.3 | 9 | 76 | 2 | 28.5 | 56 | 0.00 | 78 | 0 |
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| 1978 | 47.7 | 61 | 71.9 | 16 | 23.4 | 92 | 0.00 | 78 | 0 |
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| 1977 | 50.2 | 27 | 68.9 | 40 | 31.5 | 21 | 0.08 | 44 | 0 |
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| 1976 | 45.7 | 78 | 63.8 | 81 | 27.6 | 60 | 0.04 | 54 | 0 |
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| 1975 | 47.7 | 61 | 69.9 | 28 | 25.5 | 79 | 0.00 | 78 | 0 |
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| 1974 | 49.2 | 39 | 69.1 | 38 | 29.2 | 49 | 0.11 | 38 | 0 |
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| 1973 | 46.8 | 72 | 64 | 80 | 29.5 | 46 | 0.63 | 9 | 0 |
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| 1972 | 53.7 | 6 | 69.2 | 36 | 38.1 | 3 | 0.08 | 44 | 0 |
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| 1971 | 44.9 | 85 | 63.7 | 83 | 26 | 76 | 0.06 | 50 | 0 |
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| 1970 | 44.3 | 91 | 61.9 | 91 | 26.6 | 66 | 0.49 | 11 | 0 |
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| 1969 | 44.9 | 85 | 63.7 | 83 | 26.1 | 75 | 0.07 | 47 | 0 |
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| 1968 | 49 | 46 | 67.1 | 55 | 30.9 | 30 | 0.09 | 41 | 0 |
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| 1967 | 50.3 | 23 | 69 | 39 | 31.6 | 19 | trace | 62 | 0 |
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| 1966 | 49 | 46 | 67.6 | 51 | 30.3 | 38 | trace | 62 | 0 |
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| 1965 | 49.2 | 39 | 73.4 | 10 | 25 | 84 | 0.00 | 78 | 0 |
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| 1964 | 50 | 31 | 72.4 | 14 | 27.5 | 63 | trace | 62 | 0 |
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| 1963 | 52.8 | 7 | 74.9 | 5 | 30.6 | 34 | 0.00 | 78 | 0 |
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| 1962 | 49.1 | 43 | 70.3 | 26 | 27.9 | 59 | 0.01 | 59 | 0 |
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| 1961 | 45 | 84 | 65.5 | 68 | 24.4 | 88 | 0.24 | 21 | 0 |
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| 1960 | 49.9 | 33 | 68.1 | 47 | 31.6 | 19 | 0.05 | 52 | 0 |
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| 1959 | 41.6 | 95 | 55 | 95 | 28.2 | 58 | 1.17 | 3 | 0 |
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| 1958 | 49.3 | 37 | 68.9 | 40 | 29.7 | 43 | 0.11 | 38 | 0 |
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| 1957 | 51.6 | 12 | 68.7 | 42 | 34.4 | 10 | trace | 62 | 0 |
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| 1956 | 51.7 | 11 | 72.2 | 15 | 31.1 | 29 | trace | 62 | 0 |
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| 1955 | 47 | 69 | 69.4 | 34 | 24.6 | 85 | 0.02 | 56 | 0 |
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| 1954 | 55.5 | 1 | 71.6 | 18 | 39.4 | 1 | 0.19 | 26 | 0 |
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| 1953 | 48.3 | 53 | 71.3 | 20 | 25.3 | 80 | trace | 62 | 0 |
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| 1952 | 48.2 | 56 | 69.8 | 29 | 26.6 | 66 | 0.02 | 56 | 0 |
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| 1951 | 45.5 | 80 | 65.7 | 66 | 25.3 | 80 | 0.00 | 78 | 0 |
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| 1950 | 50.8 | 18 | 71.8 | 17 | 29.7 | 43 | 0.17 | 29 | 0 |
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| 1949 | 50 | 31 | 68.2 | 45 | 31.8 | 18 | 0.17 | 29 | 0 |
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| 1948 | 44.9 | 85 | 65.4 | 69 | 24.4 | 88 | 0.01 | 59 | 0 |
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| 1947 | 54.8 | 3 | 75.6 | 3 | 33.9 | 11 | trace | 62 | 0 |
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| 1946 | 48.1 | 57 | 66.1 | 61 | 30 | 39 | 0.82 | 6 | 0 |
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| 1945 | 48.3 | 53 | 70.4 | 25 | 26.2 | 74 | trace | 62 | 0 |
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| 1944 | 48 | 58 | 69.4 | 34 | 26.5 | 68 | trace | 62 | 0 |
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| 1943 | 45.2 | 83 | 67.8 | 49 | 22.5 | 94 | 0.00 | 78 | 0 |
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| 1942 | 50.1 | 30 | 72.6 | 12 | 27.6 | 60 | 0.00 | 78 | 0 |
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| 1941 | 45.3 | 82 | 62 | 90 | 28.6 | 55 | 1.01 | 4 | 0 |
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| 1940 | 49.1 | 43 | 66 | 63 | 32.1 | 16 | 0.18 | 28 | 0 |
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| 1939 | 47.2 | 67 | 64.7 | 76 | 29.7 | 43 | 0.22 | 22 | 0 |
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| 1938 | 49.4 | 36 | 65 | 74 | 33.7 | 13 | 1.30 | 1 | 0 |
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| 1937 | 49.9 | 33 | 68.3 | 44 | 31.4 | 23 | 0.00 | 78 | 0 |
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| 1936 | 44.5 | 90 | 63 | 87 | 25.9 | 77 | 0.08 | 44 | 0 |
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| 1935 | 50.4 | 21 | 71 | 23 | 29.8 | 42 | trace | 62 | 0 |
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| 1934 | 51.4 | 14 | 73.8 | 8 | 29 | 52 | 0.00 | 78 | 0 |
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| 1933 | 52.2 | 10 | 69.6 | 30 | 34.8 | 8 | 0.21 | 23 | 0 |
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| 1932 | 47.2 | 67 | 65 | 74 | 29.4 | 48 | trace | 62 | 0 |
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