Number of Days of 100 °F in Missoula by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 100 degrees Fahrenheit in Missoula, Montana, between 1893 and 2024.

Also see:

Which year had the most 100° days?

Based on NOAA records, the year 2007 holds the record for the most 100 °F days in Missoula history. There were 11 days with a high temperature of at least 100 degrees that year.

How many so far this year (2024)?

It has not reached 100 degrees Fahrenheit in Missoula so far in 2024. As of April 24, the highest temperature this year is 77 °F.

The last time it reached at least 100° F was August 17, 2023.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 100 °F
2024	54	0
2023	3	7
2022	2	10
2021	7	4
2020	24	2
2019	54	0
2018	24	2
2017	13	3
2016	54	0
2015	24	2
2014	54	0
2013	33	1
2012	33	1
2011	54	0
2010	54	0
2009	33	1
2008	33	1
2007	1	11
2006	7	4
2005	54	0
2004	33	1
2003	5	5
2002	13	3
2001	54	0
2000	13	3
1999	54	0
1998	54	0
1997	54	0
1996	33	1
1995	54	0
1994	7	4
1993	54	0
1992	33	1
1991	54	0
1990	54	0
1989	54	0
1988	54	0
1987	54	0
1986	54	0
1985	13	3
1984	54	0
1983	54	0
1982	54	0
1981	54	0
1980	54	0
1979	54	0
1978	54	0
1977	54	0
1976	54	0
1975	33	1
1974	54	0
1973	33	1
1972	54	0
1971	7	4
1970	33	1
1969	7	4
1968	33	1
1967	33	1
1966	33	1
1965	54	0
1964	54	0
1963	54	0
1962	54	0
1961	5	5
1960	7	4
1959	33	1
1958	54	0
1957	54	0
1956	54	0
1955	54	0
1954	54	0
1953	33	1
1952	54	0
1951	54	0
1950	54	0
1949	54	0
1948	54	0
1947	54	0
1946	54	0
1945	54	0
1944	54	0
1943	54	0
1942	54	0
1941	24	2
1940	24	2
1939	13	3
1938	33	1
1937	24	2
1936	4	6
1935	13	3
1934	33	1
1933	13	3
1932	54	0
1931	24	2
1930	54	0
1929	54	0
1928	13	3
1927	54	0
1926	54	0
1925	54	0
1924	13	3
1923	54	0
1922	54	0
1921	54	0
1920	54	0
1919	13	3
1918	24	2
1917	54	0
1916	54	0
1915	54	0
1914	33	1
1913	54	0
1912	54	0
1911	54	0
1910	13	3
1909	54	0
1908	33	1
1907	54	0
1906	54	0
1905	54	0
1904	54	0
1903	54	0
1902	54	0
1901	33	1
1900	54	0
1899	33	1
1898	54	0
1897	54	0
1896	54	0
1895	54	0
1894	54	0
1893	24	2

Weather Station Details

Years	Station	Coordinates
1948–2024	Missoula International Airport	location
1893–1947	Missoula 6 NW WFO	location