Average Temperatures for October at Boise, Idaho for the 156-year period 1877 through 2022 normal (1991-20) = 53.2 F degrees RANK RANK AMONG AMONG DATA YEAR COLDEST WARMEST 44.5 1883 1 156 44.9 1919 w 2 155 45.2 1946 w 3 154 45.5 1882 4 153 45.8 1881 5 152 45.9 1969 w 6 151 46.1 2019 7 150 46.4 1949 8 149 46.6 1898 c 9 148 46.9 1984 10 147 47.1 1890 11 146 47.2 1893 12 145 47.4 1905 w+ 13 144 47.5 1970 c+ 14 143 47.8 1878 15 tie 47.8 1880 tie 141 48.0 1899 c- 17 tie 48.0 1913 w+ tie 139 48.2 1912 w- 19 138 48.4 1920 20 tie 48.4 1985 tie 136 48.5 2009 W 22 135 48.7 1916 c+ 23 tie 48.7 1981 tie 133 48.9 1886 25 132 49.0 1911 w+ 26 tie 49.0 1971 c+ tie 130 49.1 1961 c- 28 129 49.2 1951 w+ 29 tie 49.2 1995 tie 127 49.3 1873 31 126 49.4 1877 32 tie 49.4 1966 tie tie 49.4 2002 w- tie 123 49.5 1957 w 35 122 49.6 1908 c+ 36 tie 49.6 1930 tie tie 49.6 1959 c tie 119 49.7 1879 39 118 49.9 1897 40 tie 49.9 2017 tie 116 50.0 1869 42 tie 50.0 1925 w+ tie 114 50.1 1956 c+ 44 113 50.2 1923 w+ 45 tie 50.2 2013 tie 111 50.3 1994 w+ 47 110 50.5 1887 48 109 50.6 1900 w+ 49 108 50.7 1967 50 107 50.8 1976 51 106 50.9 1932 w- 52 tie 50.9 1941 w+ tie tie 50.9 1954 c- tie tie 50.9 1982 w+ tie 102 51.0 1990 w- 56 101 51.2 1892 57 tie 51.2 1989 c- tie tie 51.2 2006 w- tie 98 51.3 1884 60 97 51.5 1894 61 tie 51.5 1896 w+ tie 95 51.6 1980 w- 63 94 51.7 1972 w+ 64 tie 51.7 1998 tie 92 51.8 1991 w+ 66 91 51.9 1935 c 67 90 52.0 1997 w+ 68 tie 52.0 2007 c+ tie 88 52.2 1974 c+ 70 87 52.3 1939 w+ 71 tie 52.3 1948 tie tie 52.3 1975 c+ tie tie 52.3 2000 c tie 83 52.4 1870 75 tie 52.4 1871 tie tie 52.4 1968 tie tie 52.4 1973 c+ tie tie 52.4 1996 tie 78 52.6 1885 80 tie 52.6 1942 c tie tie 52.6 1986 w- tie 75 52.7 1960 c- 83 tie 52.7 2018 tie 73 52.8 1924 c+ 85 tie 52.8 1928 c+ tie tie 52.8 1978 tie 70 52.9 1953 w 88 tie 52.9 1964 c+ tie 68 53.0 1895 90 67 53.1 1962 c+ 91 66 53.2 1888 92 tie 53.2 1909 c tie tie 53.2 1917 c+ tie tie 53.2 1977 w+ tie tie 53.2 1993 w tie tie 53.2 2012 tie tie 53.2 2021 c tie 59 53.3 1955 c+ 99 58 53.5 1903 c 100 tie 53.5 1910 c+ tie tie 53.5 2001 tie tie 53.5 2004 w- tie tie 53.5 2008 tie 53 53.6 1918 w- 105 52 53.7 2005 106 51 53.8 1929 c 107 tie 53.8 1931 c- tie tie 53.8 1983 c- tie 48 53.9 1943 c 110 47 54.0 1891 111 tie 54.0 1906 c+ tie tie 54.0 1938 c+ tie 44 54.1 1927 w- 114 43 54.3 1868 115 tie 54.3 1902 w tie tie 54.3 1999 c tie tie 54.3 2020 c- tie 39 54.4 1914 w+ 119 tie 54.4 1915 w tie tie 54.4 1934 tie tie 54.4 1940 w+ tie tie 54.4 1979 tie tie 54.4 1992 w tie 33 54.6 1926 c- 125 tie 54.6 2011 c tie 31 54.9 1987 w 127 30 55.0 1936 w- 128 29 55.1 1904 w- 129 28 55.2 1937 130 tie 55.2 1945 c- tie tie 55.2 1947 c tie 25 55.3 1958 133 24 55.6 1921 c+ 134 23 55.8 1889 135 22 55.9 1865 136 21 56.1 1876 137 20 56.2 1922 c 138 tie 56.2 2016 tie 18 56.4 1933 c- 140 tie 56.4 1965 w+ tie 16 56.8 1901 w+ 142 tie 56.8 2022 c tie 14 56.9 1872 144 tie 56.9 1950 c+ tie tie 56.9 1952 tie 11 57.0 2010 C+ 147 10 57.1 1875 148 9 57.8 1907 149 tie 57.8 1963 w+ tie 7 58.0 1944 w- 151 tie 58.0 2003 tie 5 58.2 2014 153 4 59.7 1874 154 tie 59.7 2015 w+ tie 2 59.9 1988 c+ 156 1 11/2/2022 c = la nina w = el nino weak c- or w- moderate c or w strong c+ or w+ average october temperatures at boise, all sites.txt