Every spring in Westfield, MA from 1926 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 | 49.3 | 6 | 61.4 | 6 | 37.1 | 14 | 9.40 | 65 | 0 |
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| 2025 | 50.5 | 4 | 61.8 | 5 | 39.2 | 5 | 16.19 | 6 | 0 |
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| 2024 | 51.1 | 3 | 62.1 | 3 | 40.2 | 2 | 17.19 | 4 | 0 |
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| 2023 | 48.7 | 10 | 61.2 | 8 | 36.2 | 20 | 12.69 | 32 | 0 |
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| 2022 | 49.3 | 6 | 60.8 | 9 | 37.7 | 8 | 9.92 | 62 | 0 |
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| 2021 | 49.5 | 5 | 61.9 | 4 | 37 | 15 | 11.86 | 41 | 2 |
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| 2020 | 47.6 | 18 | 59 | 22 | 36.3 | 19 | 10.37 | 58 | 0 |
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| 2019 | 46.7 | 24 | 57.4 | 28 | 36.1 | 21 | 12.53 | 34 | 0 |
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| 2018 | 46.8 | 23 | 57.9 | 24 | 36.1 | 21 | 9.18 | 68 | 1 |
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| 2017 | 46.6 | 26 | 57.2 | 29 | 35.9 | 25 | 12.70 | 31 | 0 |
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| 2016 | 49.3 | 6 | 61.4 | 6 | 37.2 | 13 | 6.33 | 84 | 0 |
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| 2015 | 47.6 | 18 | 60 | 10 | 35.3 | 27 | 5.85 | 86 | 0 |
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| 2014 | 46 | 29 | 57.6 | 26 | 34.5 | 30 | 13.34 | 24 | 0 |
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| 2013 | 48 | 15 | 59.5 | 15 | 36.4 | 17 | 9.21 | 67 | 0 |
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| 2012 | 53.3 | 1 | 64.9 | 1 | 41.7 | 1 | 8.54 | 73 | 0 |
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| 2011 | 49.3 | 6 | 59.3 | 16 | 39.3 | 4 | 15.52 | 9 | 0 |
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| 2010 | 52 | 2 | 64.7 | 2 | 39.4 | 3 | 9.82 | 63 | 0 |
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| 2009 | 48 | 15 | 59.6 | 13 | 36.4 | 17 | 8.89 | 71 | 1 |
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| 2008 | 46.6 | 26 | 58.7 | 23 | 34.6 | 29 | 10.86 | 52 | 2 |
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| 2007 | 45.9 | 30 | 57.9 | 24 | 34 | 32 | 14.14 | 20 | 0 |
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| 2006 | 47.3 | 21 | 59.2 | 19 | 35.4 | 26 | 10.07 | 60 | 0 |
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| 2005 | 44.8 | 31 | 56.2 | 32 | 33.4 | 33 | 11.51 | 45 | 0 |
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| 2004 | 48.5 | 11 | 59.6 | 13 | 37.4 | 11 | 14.16 | 19 | 2 |
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| 2003 | 44.6 | 32 | 56.1 | 33 | 33.1 | 35 | 11.47 | 46 | 1 |
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| 2002 | 47.6 | 18 | 59.1 | 21 | 36.1 | 21 | 13.30 | 25 | 0 |
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| 2001 | 46.2 | 28 | 57.5 | 27 | 34.9 | 28 | 13.96 | 21 | 1 |
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| 2000 | 48.3 | 14 | 59.3 | 16 | 37.4 | 11 | 10.45 | 56 | 5 |
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| 1999 | 46.9 | 22 | 59.3 | 16 | 34.5 | 30 | 10.16 | 59 | 0 |
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| 1994 | | | | | | | 12.37 | 37 | 92 |
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| 1993 | | | | | | | 14.69 | 14 | 92 |
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| 1992 | | | | | | | 10.44 | 57 | 92 |
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| 1991 | | | | | | | 14.85 | 12 | 92 |
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| 1990 | | | | | | | 15.82 | 7 | 92 |
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| 1989 | | | | | | | 12.87 | 29 | 92 |
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| 1987 | | | | | | | 15.42 | 10 | 92 |
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| 1986 | | | | | | | 6.77 | 82 | 92 |
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| 1985 | | | | | | | 7.15 | 79 | 92 |
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| 1984 | | | | | | | 21.41 | 2 | 92 |
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| 1983 | | | | | | | 25.11 | 1 | 92 |
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| 1982 | | | | | | | 11.23 | 47 | 92 |
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| 1981 | | | | | | | 6.97 | 81 | 92 |
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| 1980 | | | | | | | 14.33 | 18 | 92 |
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| 1979 | | | | | | | 15.24 | 11 | 92 |
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| 1977 | | | | | | | 14.74 | 13 | 49 |
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| 1976 | | | | | | | 9.01 | 69 | 92 |
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| 1975 | | | | | | | 9.93 | 61 | 92 |
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| 1974 | | | | | | | 9.29 | 66 | 92 |
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| 1973 | | | | | | | 13.47 | 23 | 92 |
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| 1972 | | | | | | | 14.47 | 16 | 92 |
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| 1971 | | | | | | | 7.93 | 74 | 92 |
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| 1970 | | | | | | | 12.42 | 36 | 92 |
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| 1969 | | | | | | | 10.85 | 53 | 92 |
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| 1968 | | | | | | | 12.24 | 38 | 92 |
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| 1967 | | | | | | | 13.08 | 28 | 92 |
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| 1966 | | | | | | | 7.18 | 78 | 92 |
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| 1964 | | | | | | | 7.54 | 76 | 92 |
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| 1963 | | | | | | | 6.21 | 85 | 92 |
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| 1962 | | | | | | | 6.53 | 83 | 92 |
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| 1961 | | | | | | | 11.97 | 39 | 92 |
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| 1960 | | | | | | | 8.76 | 72 | 92 |
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| 1959 | | | | | | | 9.01 | 69 | 92 |
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| 1958 | | | | | | | 13.11 | 27 | 92 |
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| 1957 | | | | | | | 7.63 | 75 | 92 |
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| 1956 | | | | | | | 10.65 | 55 | 92 |
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| 1955 | | | | | | | 11.53 | 44 | 92 |
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| 1954 | | | | | | | 12.72 | 30 | 92 |
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| 1953 | | | | | | | 21.38 | 3 | 92 |
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| 1952 | | | | | | | 15.80 | 8 | 92 |
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| 1951 | | | | | | | 13.16 | 26 | 92 |
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| 1950 | | | | | | | 10.68 | 54 | 92 |
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| 1949 | | | | | | | 11.57 | 43 | 92 |
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| 1948 | | | | | | | 11.81 | 42 | 92 |
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| 1947 | | | | | | | 12.44 | 35 | 92 |
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| 1946 | | | | | | | 10.93 | 49 | 92 |
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| 1945 | | | | | | | 14.63 | 15 | 92 |
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| 1944 | | | | | | | 10.91 | 51 | 92 |
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| 1943 | | | | | | | 11.91 | 40 | 92 |
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| 1942 | | | | | | | 10.93 | 49 | 92 |
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| 1941 | | | | | | | 5.50 | 87 | 92 |
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| 1940 | | | | | | | 17.07 | 5 | 92 |
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| 1934 | 48.4 | 13 | 59.2 | 19 | 37.5 | 10 | 12.54 | 33 | 1 |
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| 1933 | 47.9 | 17 | 56.9 | 30 | 39.2 | 5 | 13.56 | 22 | 1 |
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| 1932 | 46.7 | 24 | 56.9 | 30 | 36.6 | 16 | 7.31 | 77 | 1 |
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| 1931 | 48.5 | 11 | 59.7 | 12 | 37.6 | 9 | 14.47 | 16 | 8 |
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| 1930 | | | 60 | 10 | 38.1 | 7 | 11.09 | 48 | 11 |
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| 1929 | | | | | | | | | 61 |
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| 1928 | | | 54.3 | 34 | 36 | 24 | 9.47 | 64 | 10 |
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| 1927 | | | | | | | | | 39 |
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| 1926 | | | | | 33.4 | 33 | 7.12 | 80 | 35 |
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