Number of Days of 90 °F in Helena by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 90 degrees Fahrenheit in Helena, Montana, between 1893 and 2024.

Also see:

Which year had the most 90° days?

Based on NOAA records, the year 2022 holds the record for the most 90 °F days in Helena history. There were 54 days with a high temperature of at least 90 degrees that year.

How many so far this year (2024)?

It has not reached 90 degrees Fahrenheit in Helena so far in 2024. As of April 29, the highest temperature this year is 78 °F.

The last time it reached at least 90° F was September 2, 2023.

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

Year	Rank	Days >= 90 °F
2024	130	0
2023	28	26
2022	1	54
2021	2	51
2020	15	31
2019	36	23
2018	24	27
2017	4	44
2016	9	34
2015	15	31
2014	130	0
2013	13	32
2012	12	33
2011	38	21
2010	83	12
2009	33	24
2008	21	28
2007	4	44
2006	7	42
2005	13	32
2004	62	16
2003	6	43
2002	62	16
2001	3	47
2000	19	30
1999	41	19
1998	15	31
1997	103	8
1996	28	26
1995	68	15
1994	9	34
1993	122	3
1992	39	20
1991	24	27
1990	28	26
1989	62	16
1988	8	38
1987	48	18
1986	41	19
1985	21	28
1984	54	17
1983	78	13
1982	48	18
1981	54	17
1980	114	6
1979	54	17
1978	33	24
1977	78	13
1976	103	8
1975	114	6
1974	41	19
1973	48	18
1972	114	6
1971	41	19
1970	33	24
1969	28	26
1968	92	10
1967	15	31
1966	20	29
1965	98	9
1964	68	15
1963	54	17
1962	122	3
1961	21	28
1960	39	20
1959	41	19
1958	62	16
1957	68	15
1956	73	14
1955	41	19
1954	54	17
1953	54	17
1952	110	7
1951	73	14
1950	98	9
1949	62	16
1948	114	6
1947	68	15
1946	48	18
1945	48	18
1944	122	3
1943	78	13
1942	48	18
1941	78	13
1940	24	27
1939	9	34
1938	127	2
1937	62	16
1936	24	27
1935	92	10
1934	73	14
1933	54	17
1932	54	17
1931	32	25
1930	83	12
1929	41	19
1928	98	9
1927	119	5
1926	73	14
1925	92	10
1924	86	11
1923	103	8
1922	92	10
1921	86	11
1920	86	11
1919	37	22
1918	86	11
1917	68	15
1916	110	7
1915	119	5
1914	73	14
1913	103	8
1912	110	7
1911	122	3
1910	86	11
1909	103	8
1908	103	8
1907	130	0
1906	92	10
1905	103	8
1904	114	6
1903	129	1
1902	127	2
1901	78	13
1900	92	10
1899	121	4
1898	98	9
1897	110	7
1896	98	9
1895	122	3
1894	86	11
1893	83	12

Weather Station Details

Years	Station	Coordinates
1939–2024	Helena Regional Airport	location
1893–1938	Helna	location