Missoula, MT: December

31 December 2025: December 2025 averaged 34°F in Missoula, MT, the warmest December on record, in 119 years since 1893 (1894 excluded: 31 of 31 days missing; 1897 excluded: 6 of 31 days missing; 1906 excluded: 31 of 31 days missing; 11 more years excluded for missing days); provisional.

December 2025

Mean temperature: 34°F; Warmest on record; Warmest of 119, provisional
Precipitation: 3.07 in; Wettest since 1996; 4th wettest of 125

A normal December in Missoula, MT (1991 to 2020): a mean temperature of 25.8°F, between 19.5°F and 29.2°F in eight years of ten and 0.99 in of precipitation, between 0.47 in and 1.61 in in eight years of ten.

The mean temperature of every December in Missoula, MT since 1893: 34°F in 2025, the highest of them all.

Normal range, 19.5 to 29.2°F

Every year, ranked, as a table

Every December in Missoula, MT from 1893 to 2025, 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	Days missing
2025	34	1	40.6	2	27.3	3	3.07	4	0
2024	31.7	8	38.3	9	25.2	9	0.37	112	0
2023	29.5	23	36.4	21	22.6	27	0.50	98	0
2022	22.5	84	30	85	15	86	1.50	23	0
2021	28.4	35	35.1	34	21.7	35	1.18	42	0
2020	27.8	38	36.4	21	19.2	53	0.41	106	0
2019	29.2	29	35.9	27	22.5	28	0.74	79	0
2018	26.2	51	33	54	19.4	51	0.85	69	0
2017	23.4	78	29	93	17.8	67	1.62	19	0
2016	18.9	109	26.1	111	11.7	108	1.49	25	0
2015	25.3	63	31.5	71	19.1	54	1.38	32	0
2014	26.3	49	31.7	69	20.9	39	1.26	38	0
2013	22.7	82	30.1	83	15.3	84	1.12	47	0
2012	28.4	35	34.5	37	22.3	30	1.65	17	0
2011	25.5	60	33.5	49	17.5	69	0.57	93	0
2010	21.1	95	28.4	99	13.7	97	1.28	35	0
2009	19.5	103	25.6	115	13.3	99	0.59	91	0
2008	21.3	93	28.5	96	14.1	95	1.43	27	0
2007	27.7	40	34	43	21.3	37	0.51	97	0
2006	25.8	55	32.7	58	18.9	57	0.70	83	0
2005	19.5	103	26.5	109	12.6	102	1.17	44	0
2004	29.7	22	36.5	20	23	25	0.54	95	0
2003	26.5	47	32.2	65	20.7	42	1.14	46	0
2002	29.3	27	34.5	37	24.1	18	0.55	94	0
2001	25.8	55	31.7	69	19.8	48	1.12	47	0
2000	20.4	100	27.9	102	12.9	101	1.02	58	0
1999	29.8	21	34.7	36	24.8	13	0.48	103	0
1998	25	67	31.5	71	18.4	61	1.27	36	0
1997	25.7	57	32.5	62	18.9	57	0.33	114	0
1996	23.9	76	30.6	79	17.1	74	4.65	2	0
1995	27.2	43	33.4	50	20.9	39	1.61	21	0
1994	24	73	31.5	71	16.5	79	0.59	91	0
1993	27.6	41	34.8	35	20.4	43	0.40	108	0
1992	19.4	105	27.5	104	11.3	110	0.78	75	0
1991	26.5	47	33.1	53	20	45	0.95	63	0
1990	15.6	114	23.7	117	7.5	119	1.11	50	0
1989	24	73	30.1	83	18	64	0.61	90	0
1988	22.9	79	30.6	79	15.2	85	0.75	78	0
1987	24.2	72	31.5	71	16.9	76	1.12	47	0
1986	21.3	93	28.5	96	14.2	94	0.50	98	0
1985	14.7	116	22.2	123	7.2	120	0.38	110	0
1984	20.1	101	27.7	103	12.5	103	0.66	87	0
1983	11.8	119	18.4	124	5.2	123	1.79	15	0
1982	22.7	82	28.7	95	16.6	78	1.07	53	0
1981	23.9	76	30.5	81	17.4	71	1.98	12	0
1980	30.5	15	37.5	15	23.4	23	1.34	33	0
1979	31.1	12	37	18	25.3	7	0.81	73	0
1978	15.9	113	23	120	8.8	117	0.99	60	0
1977	24.5	69	30.9	78	18.1	63	2.88	5	0
1976	24.4	70	31.5	71	17.3	72	0.25	121	0
1975	25.7	57	33	54	18.4	61	0.85	69	0
1974	27.8	38	34.3	39	21.3	37	0.68	85	0
1973	30.2	19	35.5	30	25	10	1.62	19	0
1972	19.2	108	26.5	109	12	107	1.46	26	0
1971	21.1	95	29.2	91	13	100	1.63	18	0
1970	22.5	84	30.4	82	14.6	89	0.94	65	0
1969	26	53	32.4	63	19.5	49	0.92	67	0
1968	21.8	89	29.3	90	14.3	92	1.17	44	0
1967	22.8	80	29.6	88	16.1	82	1.71	16	0
1966	29.5	23	35.3	32	23.6	22	0.79	74	0
1965	27.2	43	34.2	40	20.1	44	0.43	105	0
1964	19.4	105	27.4	105	11.4	109	3.15	3	0
1963	18	112	25	116	10.9	112	1.06	55	0
1962	30.3	16	35.6	28	25	10	0.86	68	0
1961	21.5	90	28.1	100	14.9	87	1.18	42	0
1960	18.3	111	26.1	111	10.4	115	0.97	62	0
1959	26.6	46	34.1	42	19.1	54	0.27	118	0
1958	29.3	27	36.7	19	21.8	32	1.41	29	0
1957	32	6	38.6	8	25.3	7	1.41	29	0
1956	30	20	38.3	9	21.6	36	0.99	60	0
1955	20.6	99	29	93	12.1	106	2.74	6	0
1954	25.4	61	33.8	45	16.9	76	0.38	110	0
1953	32	6	37.9	13	26.2	6	0.82	72	0
1952	26	53	32.6	60	19.3	52	0.63	89	0
1951	19.4	105	28	101	10.8	114	1.81	14	0
1950	28.6	31	35.5	30	21.8	32	1.11	50	0
1949	24.6	68	32.9	57	16.4	80	0.65	88	0
1948	13.7	118	23.6	118	3.8	124	1.04	57	0
1947	25.4	61	31.9	67	18.9	57	0.78	75	1
1946	26.7	45	34	43	19.5	49	1.43	27	0
1944	19.6	102	26.7	108	12.5	103	1.05	56	0
1943	21.5	90	27	106	16.4	80	1.01	59	2
1942	29.5	23	35.2	33	23.9	19	1.50	23	0
1941	29.4	26	36.3	25	22.4	29	0.93	66	0
1940	30.3	16	36.4	21	24.2	16	0.23	122	1
1939	33.4	3	39.2	5	27.6	2	1.94	13	0
1938	31.4	10	37.9	13	24.8	13	0.40	108	0
1937	30.6	14	36.4	21	24.9	12	2.06	11	1
1936	31.6	9	39	6	24.2	16	0.68	85	0
1935	28.5	33	34.2	40	22.7	26	0.28	117	0
1934	28.6	31	33.4	50	23.8	21	0.69	84	0
1933			39.7	4	26.7	5	2.35	7	5
1932			26	113	9.5	116	0.47	104	5
1931	22.2	86	29.9	87	14.6	89	0.50	98	3
1930	21.9	87	29.2	91	14.1	95	0.27	118	2
1929	33.6	2	39.8	3	27.2	4	2.34	8	3
1928	24	73	32.2	65	15.7	83	0.23	122	0
1927			23.4	119	3.6	125	1.33	34	4
1926									9
1925	32.9	4	37.3	16	28.5	1	0.76	77	0
1924			26.9	107	6.2	121	0.74	79	4
1923	26.2	51	33.7	46	18.6	60	0.71	82	0
1919	14.4	117	23	120	5.7	122	1.20	41	1
1918	25.7	57	33.6	48	17.8	67	0.41	106	1
1917	32.8	5	42.3	1	23.3	24	6.51	1	1
1916	18.4	110	25.9	114	10.9	112	1.08	52	1
1915	27.3	42	33.7	46	20	45	0.54	95	3
1914	15.3	115	22.6	122	7.9	118	0.36	113	0
1912	29.2	29	36	26	21.9	31	0.73	81	3
1911	25.2	65	32.4	63	18	64	0.84	71	0
1910	25.1	66	33.2	52	17.1	74	0.27	118	0
1909	21.1	95	28.5	96	14.8	88	0.11	125	2
1908	25.3	63	33	54	18	64	0.49	102	2
1907					17.2	73	0.31	116	5
1905	20.8	98	30	85	12.5	103	0.23	122	3
1904	30.3	16	38.8	7	21.8	32	0.95	63	0
1903	24.3	71	31.1	77	17.5	69	1.27	36	0
1902	26.3	49	32.6	60	19.9	47	2.11	10	0
1901	22.8	80	31.3	76	14.3	92	2.23	9	0
1900	31.2	11	38	12	24.4	15	1.07	53	2
1899	28.5	33	35.6	28	20.9	39	1.23	39	2
1898	21.4	92	29.4	89	13.5	98	0.32	115	0
1897			31.8	68	14.4	91	1.23	39	6
1896	30.8	13	38.2	11	23.9	19	0.50	98	2
1895	21.9	87	32.7	58	11.1	111	1.52	22	0
1893	28.1	37	37.1	17	19	56	1.39	31	1

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2025	34
1929	33.6
1939	33.4
1925	32.9
1917	32.8
1957	32
1953	32
2024	31.7
1936	31.6
1938	31.4

Coldest
Year	Mean, °F
1983	11.8
1948	13.7
1919	14.4
1985	14.7
1914	15.3
1990	15.6
1978	15.9
1963	18
1960	18.3
1916	18.4

Wettest
Year	Precipitation, in
1917	6.51
1996	4.65
1964	3.15
2025	3.07
1977	2.88
1955	2.74
1933	2.35
1929	2.34
1901	2.23
1902	2.11

Driest
Year	Precipitation, in
1909	0.11
1940	0.23
1928	0.23
1905	0.23
1976	0.25
1959	0.27
1930	0.27
1910	0.27
1935	0.28
1907	0.31

The hottest, coldest and wettest days

Hottest day: 57°F; 11 December 2025, 10 December 2025
Coldest night: 7°F; 28 December 2025
Wettest day: 0.38 in; 5 December 2025

Every month, season and year

Months

Seasons

Years

Missoula, MT the day's answers

All-time records

Every answer in words

December 2025 brought 3.07 in of precipitation in Missoula, MT, the wettest December since 1996, 4th wettest of 125.
The hottest day of December 2025 in Missoula, MT: 57°F on Thursday 11 December 2025 and Wednesday 10 December 2025.
The coldest night of December 2025 in Missoula, MT: a low of 7°F on Sunday 28 December 2025.
The wettest day of December 2025 in Missoula, MT: 0.38 in on Friday 5 December 2025.