Missoula, MT: August

31 August 2026: August 2026 averaged 68.4°F in Missoula, MT, the warmest August since 2025, tied 32nd warmest of 125 (with 1897).

August 2026

Mean temperature: 68.4°F; Warmest since 2025; 32nd warmest of 125
Precipitation: 0.55 in; Driest since 2024; 46th driest of 126

A normal August in Missoula, MT (1991 to 2020): a mean temperature of 67.7°F, between 64.7°F and 70°F in eight years of ten and 0.58 in of precipitation, between 0.20 in and 1.43 in in eight years of ten.

The mean temperature of every August in Missoula, MT since 1893: 68.4°F in 2026; the highest is 73.8°F, in 2022.

Normal range, 64.7 to 70°F

Every year, ranked, as a table

Every August in Missoula, MT from 1893 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	Days missing
2026	68.4	32	86.6	25	50.2	50	0.55	80	0
2025	69.1	22	85	46	53.1	10	0.92	55	0
2024	68.6	30	86	33	51.2	35	0.55	80	0
2023	70.6	7	86	33	55.2	1	2.35	8	0
2022	73.8	1	92.8	1	54.7	2	0.11	115	0
2021	67.1	51	82.3	79	52	18	1.55	24	0
2020	68.9	26	86.3	28	51.5	28	0.38	93	0
2019	68.5	31	85	46	51.9	21	1.28	35	0
2018	66.7	61	84.2	59	49.2	64	0.72	66	0
2017	69.6	17	87.7	18	51.5	28	0.20	109	0
2016	66.4	71	84.3	56	48.5	78	0.28	102	0
2015	67.3	49	85.1	44	49.5	59	0.20	109	0
2014	68	37	84	60	52.1	16	0.94	53	0
2013	70.6	7	88.1	13	53.2	7	0.41	89	0
2012	69.1	22	88.1	13	50	52	0.16	112	0
2011	69.9	15	88.3	11	51.5	28	0.31	96	0
2010	66.5	67	81.8	86	51.2	35	1.22	38	0
2009	67.1	51	82.1	83	52.2	15	3.08	2	0
2008	67.9	39	83.9	61	51.8	24	1.35	30	0
2007	68	37	86	33	49.9	53	0.31	96	0
2006	66.6	63	84.6	50	48.6	76	0.74	65	0
2005	67.6	45	85.5	38	49.7	57	0.39	90	0
2004	67.7	40	82.7	77	52.8	13	2.96	4	0
2003	70.2	13	87.5	20	53	11	0.56	79	0
2002	63.4	104	79.7	106	47.1	100	0.51	82	0
2001	70	14	89.6	7	50.5	45	0.09	118	0
2000	67.1	51	86.2	29	48.1	91	0.17	111	0
1999	67.6	45	83.3	71	52	18	2.10	11	0
1998	68.1	36	86.8	24	49.4	62	0.39	90	0
1997	66.8	59	83.4	68	50.2	50	0.95	51	0
1996	64.8	91	83.6	66	46.1	113	1.15	42	0
1995	64.1	97	82.3	79	45.9	117	1.19	40	0
1994	70.8	5	90	5	51.5	28	0.29	99	0
1993	63.1	107	78.6	109	47.7	97	1.32	31	0
1992	65.9	81	83.9	61	47.9	92	0.60	74	0
1991	69.5	18	87.7	18	51.4	33	0.62	72	0
1990	66	77	80.8	97	51.2	35	2.64	5	0
1989	63.3	105	77.3	119	49.3	63	2.08	12	0
1988	66.3	73	85.6	37	47	102	0.29	99	0
1987	62.2	118	79.1	107	45.3	120	1.05	46	0
1986	69.5	18	87.4	22	51.6	27	1.68	19	0
1985	62.1	119	75.8	124	48.5	78	3.29	1	0
1984	68.3	34	84.7	49	52	18	1.47	26	0
1983	68.9	26	84.9	48	52.9	12	1.27	37	0
1982	66	77	83.4	68	48.5	78	0.38	93	0
1981	69.4	21	88.1	13	50.6	43	1.61	23	0
1980	61.8	123	78.5	111	45.1	122	0.62	72	0
1979	69.1	22	84.6	50	53.5	5	1.31	32	0
1978	63.5	103	78.7	108	48.2	87	1.11	45	0
1977	67.6	45	83.3	71	51.9	21	1.28	35	0
1976	63.2	106	78.6	109	47.8	94	0.88	59	0
1975	62	120	77.3	119	46.8	106	2.03	13	0
1974	65.1	85	81	96	49.2	64	1.18	41	0
1973	67.3	49	85.2	43	49.5	59	0.31	96	0
1972	66.3	73	84.3	56	48.4	82	0.24	105	0
1971	71.5	2	91.8	3	51.1	38	0.91	57	0
1970	67.7	40	88.1	13	47.3	99	0.08	119	0
1969	67	55	87.5	20	46.5	109	0.04	120	0
1968	64.1	97	78	116	50.3	48	2.38	7	0
1967	71.2	3	91.8	3	50.5	45	trace	123	0
1966	66.7	61	84.3	56	49.2	64	1.01	48	0
1965	64.1	97	78.5	111	49.6	58	2.24	9	0
1964	60.8	125	76.8	123	44.7	124	1.84	15	0
1963	66.5	67	85.3	41	47.8	94	1.29	33	0
1962	62.9	110	79.8	103	46	115	0.59	75	0
1961	70.3	11	89.6	7	51	40	0.89	58	0
1960	62.4	114	78	116	46.7	108	1.69	18	0
1959	62.4	114	77.7	118	47.1	100	0.93	54	0
1958	68.9	26	87	23	50.8	41	0.67	67	0
1957	65.1	85	81.8	86	48.4	82	0.92	55	0
1956	63.1	107	78.4	114	47.8	94	1.00	50	0
1955	66.6	63	86.2	29	47	102	0.02	121	0
1954	62	120	77.3	119	46.8	106	1.14	43	0
1953	65.5	82	82.8	74	48.2	87	0.45	85	0
1952	66	77	82.1	83	49.9	53	0.63	70	0
1951	64.2	95	79.8	103	48.6	76	0.83	62	0
1950	65.1	85	81.8	86	48.4	82	1.62	22	0
1949	67.7	40	86.1	31	49.2	64	0.22	108	0
1948	64.2	95	80.5	99	47.9	92	0.24	105	0
1947	64.9	89	81.5	91	48.4	82	2.18	10	0
1946	66.6	63	83	73	50.3	48	0.49	83	0
1945	68.3	34	86.1	31	50.6	43	0.00	124	2
1944	65.4	83	80.2	100	50.5	45	1.43	27	0
1943	66.6	63	81.9	85	51.3	34	0.46	84	0
1942	69	25	84.5	53	53.4	6	0.64	69	0
1941	67.7	40	81.8	86	53.6	4	0.87	60	1
1940	71.1	4	88.9	9	53.2	7	0.14	113	2
1939	70.3	11	87.9	17	52.6	14	0.10	117	0
1938	67.4	48	82.8	74	51.9	21	0.63	70	1
1937	66.8	59	82.2	82	51.5	28	0.33	95	1
1936	70.4	9	86.4	27	54.5	3	0.39	90	0
1935	64.9	89	83.7	64	46.1	113	0.44	87	0
1934	67.7	40	86.5	26	49	72	0.25	104	1
1933	67	55	84.5	53	48.8	73	1.12	44	2
1932	66.1	75	81.5	91	50.7	42	1.41	28	2
1931	68.7	29	88.2	12	49.2	64	0.11	115	0
1930	69.5	18	85.9	36	53.2	7	1.05	46	1
1929	69.8	16	88.5	10	51.1	38	0.02	121	0
1928	63.8	101	81.3	95	46.4	111	0.45	85	0
1927	64.7	93	80	101	49.5	59	1.29	33	0
1926	65	88	81.6	90	48.5	78	1.64	21	0
1925	64.8	91	81.4	94	48.2	87	1.01	48	1
1924	64.1	97	80.7	98	47.5	98	0.75	64	0
1923	66.4	71	82.8	74	49.9	53	0.86	61	0
1919	66.5	67	83.8	63	49.2	64	0.59	75	1
1918	62	120	77.1	122	46.9	104	3.06	3	1
1917	66	77	85.1	44	46.9	104	0.00	124	1
1916	64.4	94	83.4	68	45.5	119	1.22	38	0
1915	70.8	5	89.9	6	51.8	24	0.95	51	0
1914	65.3	84	84.6	50	46	115	0.28	102	0
1913	66.9	57	84.5	53	49.2	64	1.52	25	0
1912	63.1	107	78.1	115	48.2	87	1.67	20	0
1911	63.8	101	82.3	79	45.3	120	0.43	88	0
1910	62.3	116	79.8	103	44.9	123	0.57	77	0
1909									28
1908									8
1907	62.3	116	78.5	111	46.4	111	1.78	16	1
1906	66.1	75	82.5	78	49.8	56	1.76	17	1
1905	66.9	57	85.5	38	48.3	86	0.57	77	0
1904	70.4	9	92	2	48.8	73	0.13	114	0
1902	66.5	67	83.7	64	49.2	64	0.00	124	0
1901									12
1900									30
1899	61.3	124	75.1	125	46.5	109	1.96	14	1
1898					52.1	16	0.29	99	21
1897	68.4	32	85.3	41	51.7	26	0.83	62	2
1896	62.9	110	79.9	102	45.8	118	2.53	6	0
1895	62.6	113	81.5	91	43.6	125	0.23	107	0
1894	67.1	51	85.5	38	48.8	73	1.39	29	0
1893	62.7	112	83.5	67	41.8	126	0.65	68	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2022	73.8
1971	71.5
1967	71.2
1940	71.1
1994	70.8
1915	70.8
2023	70.6
2013	70.6
1936	70.4
1904	70.4

Coldest
Year	Mean, °F
1964	60.8
1899	61.3
1980	61.8
1975	62
1954	62
1918	62
1985	62.1
1987	62.2
1910	62.3
1907	62.3

Wettest
Year	Precipitation, in
1985	3.29
2009	3.08
1918	3.06
2004	2.96
1990	2.64
1896	2.53
1968	2.38
2023	2.35
1965	2.24
1947	2.18

Driest
Year	Precipitation, in
1945	0.00
1917	0.00
1902	0.00
1967	trace
1955	0.02
1929	0.02
1969	0.04
1970	0.08
2001	0.09
1939	0.10

The hottest, coldest and wettest days

Hottest day: 97°F; 21 August 2026
Coldest night: 37°F; 31 August 2026
Wettest day: 0.23 in; 15 August 2026

Every month, season and year

Months

Seasons

Years

Missoula, MT the day's answers

All-time records

Every answer in words

August 2026 brought 0.55 in of precipitation in Missoula, MT, the driest August since 2024, tied 46th driest of 126 (with 2024).
The hottest day of August 2026 in Missoula, MT: 97°F on Friday 21 August 2026.
The coldest night of August 2026 in Missoula, MT: a low of 37°F on Monday 31 August 2026.
The wettest day of August 2026 in Missoula, MT: 0.23 in on Saturday 15 August 2026.