Average Temperature in Boise by Year

This page contains a list of the average yearly high and low temperatures in Boise, Idaho for each year between 1911 and 2023. It is based on NOAA data.
Change:
Month:
What Was the Hottest Year Ever in Boise?
2012 was the warmest year in the history of Boise, Idaho. The average daily high temperature was 67.0 °F, and the average low was 43.7 °F.
What Was the Coldest Year Ever in Boise?
1985 was the coolest year in the history of Boise, Idaho. The average daily high temperature was 58.0 °F, and the average low was 33.8 °F.
* click column headers to sort
Year Rank High (°F) Low (°F)
2023 6 65.6 43.6
2022 26 64.2 41.2
2021 3 66.8 43.7
2020 11 65.7 42.5
2019 19 64.0 41.9
2018 10 65.5 42.7
2017 22 63.7 42.2
2016 7 65.7 43.1
2015 2 66.5 44.3
2014 8 65.1 43.4
2013 48 63.4 40.2
2012 1 67.0 43.7
2011 33 63.7 41.3
2010 14 63.8 42.9
2009 29 63.2 42.0
2008 36 63.6 41.3
2007 9 66.0 42.4
2006 12 65.0 42.6
2005 32 63.6 41.3
2004 16 63.9 42.5
2003 5 66.1 43.7
2002 34 63.7 41.3
2001 23 64.3 41.4
2000 25 64.0 41.6
1999 27 64.3 41.1
1998 13 64.6 43.0
1997 21 64.4 41.5
1996 38 63.5 41.2
1995 41 64.2 40.4
1994 37 64.9 40.0
1993 106 60.5 37.1
1992 15 66.3 40.4
1991 58 63.7 38.6
1990 51 64.7 38.7
1989 87 62.8 37.5
1988 44 65.0 39.0
1987 24 65.9 39.7
1986 49 64.0 39.6
1985 112 58.0 33.8
1984 110 58.6 37.3
1983 60 62.4 39.9
1982 108 60.5 36.9
1981 52 64.0 39.5
1980 69 62.8 39.1
1979 79 62.6 38.2
1978 66 63.1 39.1
1977 72 62.6 39.0
1976 92 62.4 37.5
1975 73 61.9 39.7
1974 43 63.9 40.4
1973 20 64.4 41.5
1972 68 62.4 39.6
1971 56 62.4 40.6
1970 45 63.1 40.9
1969 50 63.6 40.0
1968 40 64.0 40.7
1967 39 64.1 40.5
1966 53 64.3 39.1
1965 64 62.6 39.6
1964 109 60.1 37.0
1963 31 63.8 41.2
1962 83 62.0 38.7
1961 42 64.3 40.1
1960 65 63.5 38.6
1959 81 62.7 38.1
1958 17 64.5 41.7
1957 89 61.4 38.8
1956 84 62.0 38.6
1955 107 60.1 37.4
1954 57 63.8 38.9
1953 55 63.6 39.6
1952 77 62.5 38.6
1951 91 61.5 38.6
1950 70 62.4 39.5
1949 88 62.5 37.8
1948 101 61.3 37.4
1947 62 62.9 39.3
1946 71 62.8 39.1
1945 75 62.1 39.3
1944 93 61.2 38.6
1943 67 62.8 39.2
1942 95 61.2 38.2
1941 47 63.2 40.6
1940 18 64.6 41.6
1939 30 66.7 38.5
1938 54 64.3 39.1
1937 80 64.2 36.6
1936 78 64.5 36.7
1935 99 62.6 36.2
1934 4 69.2 40.9
1933 94 63.7 36.0
1931 46 68.5 35.4
1930 63 67.4 34.8
1929 97 65.6 33.5
1928 61 66.0 36.3
1927 96 62.9 36.3
1926 28 66.8 38.5
1925 35 65.6 39.3
1924 90 64.8 35.4
1923 82 63.9 36.8
1922 105 62.5 35.6
1921 59 64.1 38.2
1920 86 62.4 38.1
1919 98 63.1 36.0
1918 74 64.5 37.1
1917 103 63.2 35.2
1916 111 61.6 33.6
1915 85 64.1 36.5
1914 76 65.2 36.2
1913 100 62.3 36.4
1912 104 61.7 36.5
1911 102 62.9 35.6
Weather Station Details
Years Station Coordinates
1940–2024 location
1911–1939 Meridian 1 W location