Every December in Pullman, WA from 1893 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 |
|---|
| 2025 | 39.7 | 1 | 45.4 | 2 | 34 | 2 | 5.74 | 4 | 0 |
|---|
| 2024 | 35.6 | 9 | 40.1 | 20 | 31.2 | 9 | 2.97 | 42 | 0 |
|---|
| 2023 | 36.7 | 5 | 42.1 | 6 | 31.3 | 7 | 2.48 | 58 | 0 |
|---|
| 2022 | 27.9 | 93 | 31.4 | 111 | 23 | 97 | 3.02 | 40 | 2 |
|---|
| 2021 | 30 | 74 | 35 | 86 | 24.5 | 81 | 3.30 | 29 | 2 |
|---|
| 2020 | 33.9 | 29 | 39.6 | 26 | 28.2 | 39 | 2.20 | 65 | 1 |
|---|
| 2019 | 35.5 | 12 | 40.3 | 17 | 30.7 | 12 | 1.72 | 88 | 0 |
|---|
| 2018 | 32.9 | 39 | 37.7 | 44 | 28.2 | 39 | 3.59 | 22 | 0 |
|---|
| 2017 | 28.6 | 89 | 33.5 | 100 | 23.6 | 93 | 3.36 | 27 | 0 |
|---|
| 2016 | 25 | 105 | 31 | 113 | 19 | 114 | 1.55 | 90 | 0 |
|---|
| 2015 | 31.8 | 55 | 37 | 53 | 26.6 | 59 | 4.46 | 10 | 1 |
|---|
| 2014 | 34.6 | 25 | 40.5 | 16 | 28.8 | 31 | 3.05 | 37 | 0 |
|---|
| 2013 | 27.2 | 96 | 33.3 | 102 | 21.1 | 102 | 1.41 | 98 | 0 |
|---|
| 2012 | 32.2 | 49 | 36.6 | 58 | 27.7 | 44 | 2.19 | 66 | 0 |
|---|
| 2011 | 31.2 | 63 | 37.9 | 40 | 24.6 | 77 | 1.43 | 96 | 0 |
|---|
| 2010 | 31.9 | 51 | 36.7 | 56 | 27.2 | 52 | 2.60 | 54 | 0 |
|---|
| 2009 | 27 | 98 | 33.5 | 100 | 20.5 | 106 | | | 0 |
|---|
| 2008 | 26.8 | 99 | 33.1 | 103 | 20.6 | 105 | 2.58 | 56 | 0 |
|---|
| 2007 | 30.8 | 67 | 35.9 | 69 | 25.7 | 66 | 3.23 | 32 | 0 |
|---|
| 2006 | 33 | 37 | 38.2 | 38 | 27.7 | 44 | 1.79 | 82 | 0 |
|---|
| 2005 | 28.9 | 87 | 34.5 | 93 | 23.3 | 94 | 1.10 | 107 | 0 |
|---|
| 2004 | 34.8 | 21 | 41.1 | 11 | 28.4 | 36 | 0.62 | 115 | 0 |
|---|
| 2003 | 33.2 | 34 | 37.8 | 41 | 28.5 | 34 | 3.05 | 37 | 0 |
|---|
| 2002 | 34.7 | 22 | 39 | 32 | 30.3 | 15 | 0.66 | 114 | 0 |
|---|
| 2001 | 30 | 74 | 35.2 | 81 | 24.8 | 73 | 1.77 | 84 | 0 |
|---|
| 2000 | 27.2 | 96 | 32.6 | 104 | 21.8 | 99 | 1.31 | 104 | 0 |
|---|
| 1999 | 32.9 | 39 | 36.6 | 58 | 29.2 | 28 | 1.42 | 97 | 0 |
|---|
| 1998 | 29.4 | 85 | 34.8 | 87 | 24 | 88 | 2.02 | 73 | 0 |
|---|
| 1997 | 30.1 | 71 | 35.5 | 76 | 24.6 | 77 | 1.41 | 98 | 2 |
|---|
| 1996 | 28.9 | 87 | 34.6 | 92 | 23.2 | 95 | 5.51 | 5 | 0 |
|---|
| 1995 | 31.7 | 57 | 36.5 | 61 | 26.4 | 61 | 2.34 | 62 | 2 |
|---|
| 1994 | | | 36.1 | 65 | | | 2.38 | 61 | 4 |
|---|
| 1993 | 33 | 37 | 37 | 53 | 28.8 | 31 | 2.19 | 66 | 3 |
|---|
| 1992 | 28.6 | 89 | 34.3 | 95 | 23.1 | 96 | 1.34 | 102 | 1 |
|---|
| 1991 | 35.5 | 12 | 40.7 | 14 | 30.3 | 15 | 1.17 | 106 | 0 |
|---|
| 1990 | 22.8 | 111 | 28.8 | 120 | 16.8 | 118 | 1.91 | 77 | 0 |
|---|
| 1989 | 32.4 | 46 | 37.5 | 47 | 27.3 | 51 | 1.46 | 94 | 1 |
|---|
| 1988 | 30.1 | 71 | 35.6 | 74 | 24.3 | 83 | | | 2 |
|---|
| 1987 | 28.6 | 89 | 34.3 | 95 | 22.9 | 98 | 2.98 | 41 | 0 |
|---|
| 1986 | 29.6 | 82 | 34.7 | 90 | 24.6 | 77 | 0.75 | 112 | 1 |
|---|
| 1985 | 20.5 | 114 | 25.9 | 124 | 14.4 | 124 | 0.62 | 115 | 2 |
|---|
| 1984 | 25.8 | 102 | 31.7 | 108 | 19.8 | 109 | 3.71 | 21 | 0 |
|---|
| 1983 | 21.9 | 113 | 27.4 | 123 | 16.3 | 121 | 3.10 | 36 | 0 |
|---|
| 1982 | 30 | 74 | 35.7 | 72 | 24.2 | 86 | 2.66 | 52 | 0 |
|---|
| 1981 | 32.4 | 46 | 37.7 | 44 | 27.1 | 54 | 4.31 | 12 | 0 |
|---|
| 1980 | 35.4 | 14 | 41.5 | 8 | 29.4 | 25 | 3.58 | 23 | 0 |
|---|
| 1979 | 35.4 | 14 | 41.2 | 9 | 29.6 | 23 | 2.15 | 68 | 0 |
|---|
| 1978 | 23.6 | 110 | 30.6 | 114 | 16.6 | 119 | 1.81 | 80 | 0 |
|---|
| 1977 | 31.8 | 55 | 36.6 | 58 | 26.9 | 57 | 4.43 | 11 | 0 |
|---|
| 1976 | 31.9 | 51 | 38.8 | 33 | 25.1 | 71 | 0.98 | 109 | 1 |
|---|
| 1975 | 33.8 | 30 | 40.2 | 19 | 27.4 | 50 | 4.13 | 14 | 0 |
|---|
| 1974 | 33.5 | 31 | 38.8 | 33 | 28.1 | 42 | 2.61 | 53 | 0 |
|---|
| 1973 | 35.7 | 7 | 39.9 | 22 | 31.4 | 6 | 5.01 | 6 | 0 |
|---|
| 1972 | 25.4 | 104 | 31.5 | 110 | 19.4 | 111 | 4.12 | 15 | 0 |
|---|
| 1971 | 27.5 | 95 | 33.9 | 99 | 21.8 | 99 | 4.56 | 8 | 2 |
|---|
| 1970 | 29.5 | 83 | 35.1 | 84 | 23.8 | 91 | 1.57 | 89 | 0 |
|---|
| 1969 | 31.6 | 58 | 36.1 | 65 | 27.1 | 54 | 2.45 | 60 | 0 |
|---|
| 1968 | 27.7 | 94 | 34.5 | 93 | 20.9 | 104 | 3.79 | 19 | 0 |
|---|
| 1967 | 29.8 | 78 | 35.7 | 72 | 23.9 | 90 | 2.68 | 51 | 1 |
|---|
| 1966 | 35.6 | 9 | 40 | 21 | 31.2 | 9 | 2.97 | 42 | 0 |
|---|
| 1965 | 32.7 | 42 | 39.1 | 30 | 26.2 | 62 | 0.68 | 113 | 0 |
|---|
| 1964 | 28.2 | 92 | 35.4 | 78 | 21.1 | 102 | 6.20 | 3 | 0 |
|---|
| 1963 | 29.5 | 83 | 34.3 | 95 | 24.7 | 75 | 2.53 | 57 | 0 |
|---|
| 1962 | 35 | 20 | 40.6 | 15 | 29.5 | 24 | 2.07 | 70 | 0 |
|---|
| 1961 | 29.8 | 78 | 35.2 | 81 | 24.4 | 82 | 3.50 | 25 | 0 |
|---|
| 1960 | 30 | 74 | 35.3 | 79 | 24.6 | 77 | 2.24 | 63 | 0 |
|---|
| 1959 | 32.7 | 42 | 38.2 | 38 | 27.2 | 52 | 1.78 | 83 | 0 |
|---|
| 1958 | 36.1 | 6 | 41 | 12 | 31.3 | 7 | 4.30 | 13 | 0 |
|---|
| 1957 | | | | | | | | | 8 |
|---|
| 1956 | | | | | | | | | 5 |
|---|
| 1955 | 29.2 | 86 | 34.8 | 87 | 23.7 | 92 | 3.91 | 18 | 0 |
|---|
| 1954 | 30.5 | 68 | 36.3 | 64 | 24.8 | 73 | 2.46 | 59 | 0 |
|---|
| 1953 | 35.3 | 16 | 40.8 | 13 | 29.7 | 22 | 4.04 | 16 | 0 |
|---|
| 1952 | 32.3 | 48 | 37.1 | 52 | 27.8 | 43 | 2.77 | 48 | 2 |
|---|
| 1951 | | | 31.6 | 109 | 19.1 | 113 | 4.90 | 7 | 4 |
|---|
| 1950 | | | | | | | 3.11 | 35 | 31 |
|---|
| 1949 | 31.2 | 63 | 36.4 | 62 | 26 | 64 | 2.01 | 74 | 0 |
|---|
| 1948 | 24.7 | 106 | 30.4 | 115 | 19 | 114 | 3.96 | 17 | 0 |
|---|
| 1947 | 34.2 | 26 | 38.3 | 36 | 30 | 20 | 1.80 | 81 | 1 |
|---|
| 1946 | 34.2 | 26 | 39.5 | 27 | 28.7 | 33 | 2.05 | 71 | 2 |
|---|
| 1945 | 30.2 | 69 | 35.1 | 84 | 25.6 | 67 | 3.30 | 29 | 2 |
|---|
| 1944 | | | | | | | 0.82 | 111 | 10 |
|---|
| 1943 | 31.1 | 65 | 35.6 | 74 | 26.6 | 59 | 1.41 | 98 | 0 |
|---|
| 1942 | 33.1 | 35 | 37.4 | 49 | 29 | 30 | 3.37 | 26 | 2 |
|---|
| 1941 | | | | | 28.5 | 34 | 2.97 | 42 | 6 |
|---|
| 1940 | 35.7 | 7 | 41.2 | 9 | 30.1 | 19 | 1.76 | 86 | 1 |
|---|
| 1939 | 38.8 | 2 | 44.7 | 3 | 32.9 | 5 | 3.24 | 31 | 1 |
|---|
| 1938 | 33.4 | 33 | 39.3 | 28 | 27.5 | 48 | 0.97 | 110 | 0 |
|---|
| 1937 | 34 | 28 | 37.8 | 41 | 30.2 | 18 | 3.35 | 28 | 0 |
|---|
| 1936 | 34.7 | 22 | 39.7 | 23 | 29.3 | 27 | 2.00 | 75 | 1 |
|---|
| 1935 | 31.5 | 60 | 36 | 68 | 26.9 | 57 | 1.97 | 76 | 1 |
|---|
| 1934 | 32.6 | 44 | 37.2 | 50 | 28.2 | 39 | 2.60 | 54 | 2 |
|---|
| 1933 | 38.3 | 3 | 44 | 4 | 33.2 | 4 | 7.12 | 1 | 2 |
|---|
| 1932 | 25.8 | 102 | 32 | 107 | 19.6 | 110 | 1.48 | 92 | 0 |
|---|
| 1931 | | | 34.8 | 87 | | | 3.05 | 37 | 6 |
|---|
| 1930 | 26.3 | 101 | 31.3 | 112 | 21.6 | 101 | 1.36 | 101 | 2 |
|---|
| 1929 | 35.6 | 9 | 41.9 | 7 | 30 | 20 | 4.54 | 9 | 3 |
|---|
| 1928 | 30.1 | 71 | 34.2 | 98 | 25.5 | 69 | | | 2 |
|---|
| 1927 | | | 30.1 | 116 | 16 | 123 | 2.88 | 46 | 5 |
|---|
| 1926 | | | | | 25.2 | 70 | | | 5 |
|---|
| 1925 | 35.2 | 18 | 39.1 | 30 | 31.1 | 11 | 2.80 | 47 | 1 |
|---|
| 1924 | | | 29.2 | 118 | 16.3 | 121 | 1.76 | 86 | 4 |
|---|
| 1923 | 31.9 | 51 | 36.8 | 55 | 27 | 56 | | | 0 |
|---|
| 1922 | 24.7 | 106 | 29.5 | 117 | 20 | 108 | 3.19 | 34 | 0 |
|---|
| 1921 | | | 35.8 | 70 | 24.3 | 83 | 1.47 | 93 | 4 |
|---|
| 1920 | 32.2 | 49 | 36.7 | 56 | 27.7 | 44 | 2.95 | 45 | 0 |
|---|
| 1919 | 22.1 | 112 | 27.8 | 122 | 16.5 | 120 | 2.71 | 50 | 0 |
|---|
| 1918 | 31.1 | 65 | 36.1 | 65 | 26.2 | 62 | 1.77 | 84 | 0 |
|---|
| 1917 | | | 45.7 | 1 | 35.2 | 1 | 6.79 | 2 | 4 |
|---|
| 1916 | 23.8 | 109 | 28.1 | 121 | 19.4 | 111 | 2.75 | 49 | 1 |
|---|
| 1915 | 31.4 | 61 | 35.3 | 79 | 27.5 | 48 | | | 0 |
|---|
| 1914 | 23.9 | 108 | 29.1 | 119 | 18.7 | 116 | 1.32 | 103 | 1 |
|---|
| 1913 | 29.8 | 78 | 35.5 | 76 | 24.1 | 87 | 1.24 | 105 | 0 |
|---|
| 1912 | 31.9 | 51 | 39.2 | 29 | 24.7 | 75 | | | 3 |
|---|
| 1911 | 31.6 | 58 | 38.3 | 36 | 24.9 | 72 | 2.08 | 69 | 0 |
|---|
| 1910 | 33.5 | 31 | 37.5 | 47 | 29.4 | 25 | 2.24 | 63 | 1 |
|---|
| 1909 | 26.5 | 100 | 32.6 | 104 | 20.4 | 107 | 1.83 | 78 | 0 |
|---|
| 1908 | 29.7 | 81 | 35.2 | 81 | 24.3 | 83 | 2.04 | 72 | 1 |
|---|
| 1907 | 35.3 | 16 | 40.3 | 17 | 30.3 | 15 | | | 0 |
|---|
| 1906 | | | 38.4 | 35 | 30.7 | 12 | | | 4 |
|---|
| 1905 | 32.8 | 41 | 37.2 | 50 | 28.3 | 38 | 1.46 | 94 | 1 |
|---|
| 1904 | 34.7 | 22 | 39.7 | 23 | 29.1 | 29 | | | 3 |
|---|
| 1903 | 32.6 | 44 | 37.6 | 46 | 27.6 | 47 | 1.83 | 78 | 3 |
|---|
| 1902 | 31.4 | 61 | 36.4 | 62 | 25.9 | 65 | | | 2 |
|---|
| 1899 | 33.1 | 35 | 37.8 | 41 | 28.4 | 36 | 3.54 | 24 | 0 |
|---|
| 1898 | | | 32.1 | 106 | 18.2 | 117 | 1.06 | 108 | 4 |
|---|
| 1897 | | | | | | | 3.74 | 20 | 8 |
|---|
| 1896 | 38 | 4 | 42.7 | 5 | 33.4 | 3 | | | 0 |
|---|
| 1895 | | | 35.8 | 70 | 24 | 88 | 3.22 | 33 | 4 |
|---|
| 1894 | 30.2 | 69 | 34.7 | 90 | 25.6 | 67 | 1.54 | 91 | 0 |
|---|
| 1893 | 35.2 | 18 | 39.7 | 23 | 30.7 | 12 | | | 2 |
|---|