Number of Days of 80 °F in Boise by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 80 degrees Fahrenheit in Boise, Idaho, between 1911 and 2024.
Also see:
Which year had the most 80° days?
Based on NOAA records, the year 1931 holds the record for the most 80 °F days in Boise history. There were 139 days with a high temperature of at least 80 degrees that year.
How many so far this year (2024)?
It has not reached 80 degrees Fahrenheit in Boise so far in 2024. As of March 27, the highest temperature this year is 72 °F.
The last time it reached at least 80° F was October 20, 2023.
  • Years marked with a gold background have more than 5% incomplete data
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Year Rank Days >= 80 °F
2024 114 0
2023 5 125
2022 30 107
2021 9 120
2020 15 113
2019 55 99
2018 30 107
2017 40 103
2016 36 105
2015 13 115
2014 27 108
2013 36 105
2012 8 122
2011 49 100
2010 78 92
2009 34 106
2008 38 104
2007 13 115
2006 20 111
2005 85 88
2004 63 96
2003 7 123
2002 75 93
2001 20 111
2000 75 93
1999 66 95
1998 85 88
1997 40 103
1996 70 94
1995 83 90
1994 15 113
1993 106 81
1992 11 117
1991 49 100
1990 44 101
1989 44 101
1988 10 119
1987 18 112
1986 55 99
1985 96 85
1984 83 90
1983 106 81
1982 99 84
1981 85 88
1980 78 92
1979 20 111
1978 101 83
1977 70 94
1976 109 79
1975 70 94
1974 40 103
1973 57 98
1972 78 92
1971 85 88
1970 70 94
1969 44 101
1968 91 87
1967 34 106
1966 23 110
1965 111 77
1964 112 75
1963 27 108
1962 57 98
1961 43 102
1960 30 107
1959 104 82
1958 57 98
1957 66 95
1956 62 97
1955 96 85
1954 104 82
1953 101 83
1952 63 96
1951 95 86
1950 91 87
1949 12 116
1948 66 95
1947 91 87
1946 81 91
1945 91 87
1944 85 88
1943 63 96
1942 101 83
1941 113 72
1940 44 101
1939 18 112
1938 81 91
1937 49 100
1936 26 109
1935 49 100
1934 4 128
1933 57 98
1932 49 100
1931 1 139
1930 2 132
1929 30 107
1928 3 129
1927 75 93
1926 23 110
1925 57 98
1924 6 124
1923 66 95
1922 15 113
1921 85 88
1920 96 85
1919 27 108
1918 49 100
1917 38 104
1916 108 80
1915 99 84
1914 23 110
1913 44 101
1912 110 78
1911 70 94
Weather Station Details
Years Station Coordinates
1940–2024 location
1911–1939 Meridian 1 W location