Helena, MT: March

31 March 2026: March 2026 averaged 41.6°F in Helena, MT, the warmest March since 2025, 10th warmest of 146.

March 2026

Mean temperature: 41.6°F; Warmest since 2025; 10th warmest of 146
Precipitation: 1.05 in; Wettest since 2023; 29th wettest of 146

A normal March in Helena, MT (1991 to 2020): a mean temperature of 36.3°F, between 30.2°F and 42.7°F in eight years of ten and 0.46 in of precipitation, between 0.12 in and 0.96 in in eight years of ten.

The mean temperature of every March in Helena, MT since 1881: 41.6°F in 2026; the highest is 44.9°F, in 1910.

Normal range, 30.2 to 42.7°F

Every year, ranked, as a table

Every March in Helena, MT from 1881 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank
2026	41.6	10	54.4	7	28.8	14	1.05	29
2025	42.9	5	53.5	9	32.3	3	0.46	98
2024	36.9	45	48.2	40	25.6	48	0.91	44
2023	29.5	114	39	113	20	111	1.37	6
2022	39	24	50.7	21	27.2	35	0.19	132
2021	39.6	16	51.7	15	27.4	32	0.26	125
2020	34.6	72	46.2	57	23	82	0.95	40
2019	21.1	143	32.1	141	10.1	143	1.00	33
2018	32.7	85	42.9	82	22.5	88	1.18	20
2017	41.8	8	52.6	11	30.9	7	0.42	104
2016	40.2	12	52	13	28.4	20	0.19	132
2015	44.7	2	57.3	1	32	4	0.15	135
2014	34.9	67	45	71	24.7	58	0.80	56
2013	37	40	49.3	31	24.6	59	0.09	141
2012	41	11	53	10	29	13	0.89	49
2011	35	66	45.1	68	25	55	0.41	107
2010	39.9	14	52	13	27.9	26	0.24	128
2009	31	100	42.9	82	19.1	116	1.17	21
2008	36.2	53	46.8	53	25.6	48	0.12	138
2007	43.1	3	55.4	5	30.7	8	0.14	136
2006	35.5	59	46.7	54	24.3	64	0.60	75
2005	37	40	48.3	38	25.8	45	0.86	52
2004	43	4	55	6	31	6	0.37	113
2003	34.2	74	44.8	73	23.5	77	0.74	59
2002	25.2	132	35.9	131	14.4	136	0.52	86
2001	35.4	61	45.2	67	25.5	50	0.44	102
2000	38.6	27	49.7	27	27.5	31	0.26	125
1999	37	40	51.6	16	22.5	88	0.02	144
1998	32.8	84	44.3	75	21.3	101	0.39	110
1997	36.8	46	49.2	34	24.5	61	0.10	140
1996	25.7	130	36.7	128	14.7	134	0.58	78
1995	30.7	103	43.8	80	17.6	123	0.49	91
1994	39.4	19	53.6	8	25.2	51	0.32	116
1993	36.4	50	47.6	46	25.2	51	0.56	81
1992	42.7	7	56.8	2	28.6	17	0.60	75
1991	35.3	62	46.4	55	24.2	65	0.90	46
1990	34.9	67	47.8	42	22	94	0.91	44
1989	27.5	124	37	126	18.1	121	1.35	9
1988	36.1	55	47.2	50	24.9	56	0.45	100
1987	37	40	49.5	29	24.5	61	1.19	18
1986	42.8	6	55.7	4	30	9	0.49	91
1985	33.4	78	45.1	68	21.7	97	0.32	116
1984	37.1	38	46.4	55	27.9	26	0.49	91
1983	38.3	30	49.9	26	26.6	40	0.36	115
1982	33.9	75	44.2	77	23.6	75	1.62	3
1981	37.9	33	51.4	17	24.5	61	1.10	26
1980	31.2	97	40.8	99	21.7	97	0.88	50
1979	34.7	70	45.3	64	24.1	67	1.34	10
1978	38.8	25	50.5	22	27	37	0.31	119
1977	32.4	92	42.8	84	22	94	1.11	25
1976	30.4	105	41.4	95	19.4	115	0.41	107
1975	28.7	120	36.3	129	21.2	103	0.88	50
1974	33.9	75	44.1	78	23.7	72	0.38	112
1973	36	56	48.3	38	23.7	72	0.05	142
1972	39.1	20	51.3	19	26.9	39	0.63	73
1971	31.9	95	42.2	93	21.5	100	0.41	107
1970	28.2	122	37.9	120	18.5	119	0.96	38
1969	21.2	142	33	136	9.5	145	0.57	80
1968	39.6	16	52.5	12	26.6	40	0.53	85
1967	29	117	39.6	108	18.4	120	1.43	5
1966	36.5	47	50.4	23	22.6	84	0.28	124
1965	24.5	134	36.1	130	13	140	0.85	53
1964	29.9	112	39.9	105	19.9	112	0.51	88
1963	37.5	36	48.8	35	26.3	42	0.44	102
1962	29.1	116	41	97	17.2	126	0.69	64
1961	37	40	49.3	31	24.6	59	1.03	31
1960	32.6	87	44.7	74	20.5	108	0.22	129
1959	36.2	53	46.2	57	26.3	42	0.02	144
1958	30.1	109	39.2	112	21	104	1.13	24
1957	32	94	42.5	89	21.6	99	1.19	18
1956	33.4	78	44.3	75	22.5	88	0.42	104
1955	21	145	32	142	10.1	143	1.28	12
1954	27.3	126	39	113	15.7	129	0.46	98
1953	35.5	59	47.7	44	23.4	79	0.22	129
1952	27.4	125	37.2	124	17.5	124	1.27	13
1951	21.1	143	31.5	144	10.7	142	0.84	54
1950	30.4	105	39.9	105	20.8	105	0.82	55
1949	28.8	119	39.7	107	18	122	0.69	64
1948	26.2	129	37.2	124	15.3	132	0.49	91
1947	32.5	90	42.3	91	22.6	84	1.10	26
1946	39.9	14	51.4	17	28.5	18	0.56	81
1945	33.3	80	45.4	62	21.3	101	0.90	46
1944	26.7	127	37.9	120	15.5	131	0.51	88
1943	21	145	33	136	9	146	0.39	110
1942	32.5	90	42.3	91	22.8	83	0.51	88
1941	36.5	47	49.5	29	23.6	75	0.31	119
1940	39.6	16	47.9	41	31.4	5	0.65	69
1939	34.7	70	45.4	62	23.9	69	0.47	97
1938	33.1	83	40.9	98	25.2	51	0.94	41
1937	32.3	93	40.6	100	23.9	69	0.98	36
1936	31.8	96	40.6	100	23.1	81	0.45	100
1935	30.1	109	39.5	110	20.8	105	1.14	22
1934	38	32	48.7	37	27.3	34	0.93	42
1933	36.5	47	45.9	60	27	37	0.22	129
1932	25.2	132	33.3	135	17.2	126	1.55	4
1931	35.8	57	45.8	61	25.7	46	0.32	116
1930	30.4	105	40.3	103	20.5	108	1.06	28
1929	36.4	50	45.1	68	27.6	30	1.14	22
1928	37.6	35	47.3	49	27.9	26	0.52	86
1927	35.7	58	45.3	64	26.1	44	0.70	61
1926	37.5	36	46.9	52	28	24	0.17	134
1925	37.1	38	47	51	27.2	35	1.00	33
1924	31	100	38.1	118	24	68	1.02	32
1923	33.3	80	42.6	86	23.9	69	0.37	113
1922	31.1	98	40.1	104	22	94	0.79	58
1921	34.4	73	45.3	64	23.5	77	1.24	16
1920	28.9	118	38.1	118	19.7	113	1.27	13
1919	30.4	105	41.2	96	19.7	113	0.70	61
1918	39.1	20	50	25	28.3	22	0.42	104
1917	24.1	135	33	136	15.2	133	0.55	83
1916	38.6	27	48.8	35	28.4	20	0.48	95
1915	37.7	34	47.5	47	28	24	0.63	73
1914	35.1	65	46.1	59	24.2	65	0.68	67
1913	26.3	128	35.1	132	17.4	125	0.64	70
1912	21.6	140	31.8	143	11.5	141	0.69	64
1911	39.1	20	49.3	31	28.8	14	0.48	95
1910	44.9	1	56.5	3	33.3	1	0.04	143
1909	33.2	82	42.6	86	23.7	72	0.55	83
1908	32.6	87	42.7	85	22.5	88	0.68	67
1907	33.6	77	42	94	25.2	51	0.64	70
1906	25.4	131	34.7	133	16	128	0.70	61
1905	38.2	31	47.7	44	28.7	16	0.98	36
1904	28.1	123	37.4	123	18.8	117	1.37	6
1903	29.2	115	39.6	108	18.8	117	0.92	43
1902	32.7	85	40.5	102	24.9	56	0.58	78
1901	35.3	62	43.3	81	27.4	32	1.05	29
1900	38.6	27	47.8	42	29.3	12	0.90	46
1899	22.7	139	32.2	139	13.1	139	1.27	13
1898	23.3	137	32.2	139	14.5	135	2.39	1
1897	21.4	141	29.1	146	13.6	138	1.23	17
1896	28.6	121	37	126	20.2	110	1.71	2
1895	32.6	87	42.6	86	22.5	88	0.29	123
1894	31	100	39.5	110	22.5	88	0.80	56
1893	30.5	104	38.3	117	22.6	84	0.14	136
1892	36.3	52	44.9	72	27.7	29	0.31	119
1891	23.2	138	30.6	145	15.7	129	1.37	6
1890	35.3	62	42.4	90	28.2	23	0.96	38
1889	39.1	20	49.7	27	28.5	18	0.64	70
1888	23.9	136	33.4	134	14.4	136	1.32	11
1887	40	13	50.1	24	29.9	10	0.12	138
1886	29.6	113	38.6	116	20.6	107	1.00	33
1885	41.7	9	51	20	32.4	2	0.25	127
1884	30.1	109	37.6	122	22.6	84	0.59	77
1883	34.8	69	44	79	25.7	46	0.73	60
1882	31.1	98	38.9	115	23.4	79	0.31	119
1881	38.7	26	47.5	47	29.9	10	trace	146

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1910	44.9
2015	44.7
2007	43.1
2004	43
2025	42.9
1986	42.8
1992	42.7
2017	41.8
1885	41.7
2026	41.6

Coldest
Year	Mean, °F
1955	21
1943	21
2019	21.1
1951	21.1
1969	21.2
1897	21.4
1912	21.6
1899	22.7
1891	23.2
1898	23.3

Wettest
Year	Precipitation, in
1898	2.39
1896	1.71
1982	1.62
1932	1.55
1967	1.43
2023	1.37
1904	1.37
1891	1.37
1989	1.35
1979	1.34

Driest
Year	Precipitation, in
1881	trace
1999	0.02
1959	0.02
1910	0.04
1973	0.05
2013	0.09
1997	0.10
2008	0.12
1887	0.12
2007	0.14
More years share the last value

The hottest, coldest and wettest days

Hottest day: 77°F; 20 March 2026
Coldest night: 4°F; 15 March 2026
Wettest day: 0.40 in; 14 March 2026

Every month, season and year

Months

Seasons

Years

Helena, MT the day's answers

All-time records

Every answer in words

March 2026 brought 1.05 in of precipitation in Helena, MT, the wettest March since 2023, tied 29th wettest of 146 (with 1901).
The hottest day of March 2026 in Helena, MT: 77°F on Friday 20 March 2026.
The coldest night of March 2026 in Helena, MT: a low of 4°F on Sunday 15 March 2026.
The wettest day of March 2026 in Helena, MT: 0.40 in on Saturday 14 March 2026.