Helena Days With Precipitation by Year

This page contains a list of the number of days it rained or snowed each year in Helena, Montana for each year between 1893 and 2024. It is based on NOAA data.

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Month:

Year With the Most Rainy Days in Helena

The most days of rain or snow in a single year in Helena, Montana history is 125, which has happened 2 times, most recently in 1916.

Years marked with a gold background have more than 5% incomplete data
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Year	Rank	Days
2024	131	38
2023	65	95
2022	59	97
2021	119	79
2020	121	78
2019	18	109
2018	37	103
2017	78	91
2016	81	90
2015	113	81
2014	132	0
2013	89	88
2012	121	78
2011	72	94
2010	46	100
2009	81	90
2008	78	91
2007	124	76
2006	123	77
2005	65	95
2004	89	88
2003	75	92
2002	109	83
2001	113	81
2000	81	90
1999	99	85
1998	56	98
1997	65	95
1996	30	105
1995	41	102
1994	99	85
1993	4	118
1992	109	83
1991	75	92
1990	89	88
1989	15	111
1988	99	85
1987	129	71
1986	65	95
1985	65	95
1984	113	81
1983	46	100
1982	18	109
1981	89	88
1980	46	100
1979	105	84
1978	11	112
1977	37	103
1976	97	86
1975	1	125
1974	124	76
1973	130	68
1972	59	97
1971	59	97
1970	53	99
1969	109	83
1968	59	97
1967	15	111
1966	105	84
1965	11	112
1964	99	85
1963	26	107
1962	53	99
1961	73	93
1960	124	76
1959	85	89
1958	56	98
1957	23	108
1956	81	90
1955	9	113
1954	113	81
1953	105	84
1952	109	83
1951	18	109
1950	11	112
1949	89	88
1948	33	104
1947	33	104
1946	27	106
1945	73	93
1944	37	103
1943	75	92
1942	56	98
1941	23	108
1940	85	89
1939	128	72
1938	46	100
1937	18	109
1936	46	100
1935	113	81
1934	89	88
1933	89	88
1932	44	101
1931	124	76
1930	64	96
1929	37	103
1928	85	89
1927	3	124
1926	44	101
1925	9	113
1924	17	110
1923	41	102
1922	33	104
1921	41	102
1920	11	112
1919	99	85
1918	59	97
1917	5	117
1916	1	125
1915	65	95
1914	53	99
1913	27	106
1912	33	104
1911	6	115
1910	78	91
1909	23	108
1908	89	88
1907	46	100
1906	30	105
1905	97	86
1904	113	81
1903	46	100
1902	99	85
1901	85	89
1900	119	79
1899	27	106
1898	18	109
1897	7	114
1896	65	95
1895	105	84
1894	7	114
1893	30	105

Weather Station Details

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