Duluth, MN: August

31 August 2026: August 2026 averaged 65.2°F in Duluth, MN, the warmest August since 2024, 53rd warmest of 153.

August 2026

Mean temperature: 65.2°F; Warmest since 2024; 53rd warmest of 153
Precipitation: 2.30 in; Driest since 2025; 46th driest of 156

A normal August in Duluth, MN (1991 to 2020): a mean temperature of 65.4°F, between 61.5°F and 67.5°F in eight years of ten and 3.54 in of precipitation, between 1.42 in and 6.42 in in eight years of ten.

The mean temperature of every August in Duluth, MN since 1874: 65.2°F in 2026; the highest is 70.2°F, in 1930.

Normal range, 61.5 to 67.5°F

Every year, ranked, as a table

Every August in Duluth, MN from 1871 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	65.2	53	75.5	35	54.9	83	2.30	111	0
2025	65.1	54	74.1	63	56.2	55	1.53	137	0
2024	66.2	34	75.4	38	57	38	3.48	73	0
2023	65.6	44	76.1	32	55.2	77	1.68	131	0
2022	65.5	45	74.3	61	56.6	49	3.69	68	0
2021	68.6	7	78.3	9	58.9	9	2.44	104	0
2020	67	25	76.7	27	57.2	35	2.72	95	0
2019	66.1	35	76.7	27	55.6	69	2.51	99	0
2018	67.5	17	77.4	19	57.7	23	3.86	62	0
2017	61.5	128	70.4	130	52.5	117	7.23	7	0
2016	67.5	17	77	24	58	19	4.96	31	0
2015	65.4	47	75.4	38	55.5	73	4.09	54	0
2014	64.7	69	72.9	85	56.6	49	4.63	34	0
2013	69	6	80.2	4	57.8	21	1.98	122	0
2012	66.1	35	77.3	20	55	80	1.42	141	0
2011	66.8	28	76.6	29	56.9	42	5.71	22	0
2010	68.1	9	77.3	20	59	8	6.39	16	0
2009	62.2	115	71.9	105	52.5	117	6.02	20	0
2008	64.4	79	75.1	47	53.7	107	2.90	90	0
2007	65.1	54	75.3	42	54.9	83	1.39	142	0
2006	66	37	75.5	35	56.5	51	1.16	147	0
2005	64.7	69	74.8	50	54.6	91	2.33	107	0
2004	58.8	150	68.5	146	49.1	152	3.72	67	0
2003	67.6	14	77.7	16	57.5	28	2.31	109	0
2002	63.6	97	72.7	88	54.5	92	4.22	48	0
2001	67	25	78.3	9	55.7	65	3.31	79	0
2000	64.7	69	73.9	68	55.5	73	4.42	40	0
1999	63.5	103	72.6	93	54.3	99	7.41	6	0
1998	67.1	24	76.6	29	57.5	28	2.59	96	0
1997	61	135	70	136	52	127	1.26	145	0
1996	65.4	47	75.4	38	55.4	76	2.92	89	0
1995	67.4	21	75.9	33	58.8	12	6.67	10	0
1994	62.4	111	71.9	105	53	113	3.45	75	0
1993	65	57	74.1	63	55.9	62	3.63	69	0
1992	60.5	140	70.9	121	50.1	146	4.13	52	0
1991	66.3	33	77.9	14	54.7	88	2.49	101	0
1990	64	87	75.6	34	52.5	117	5.39	25	0
1989	64.8	63	75.4	38	54.2	100	5.02	30	0
1988	64.5	76	73.8	71	55.2	77	6.82	9	0
1987	63.4	106	74.4	60	52.5	117	1.87	125	0
1986	60.7	138	71.2	118	50.3	144	5.29	27	0
1985	59.7	147	69.9	138	49.4	149	3.91	59	0
1984	67.7	12	78	13	57.4	31	1.96	123	0
1983	69.7	2	79.6	5	59.7	7	3.37	77	0
1982	60.8	137	70.6	126	50.9	139	1.60	133	0
1981	64.3	82	72.8	86	55.7	65	2.84	91	0
1980	63.6	97	72.4	97	54.7	88	5.34	26	0
1979	62	120	71.6	111	52.4	124	2.10	117	0
1978	63.6	97	73.8	71	53.4	110	7.49	5	0
1977	58.6	151	67.9	148	49.3	150	3.26	81	0
1976	64.9	60	77.1	23	52.7	114	1.84	126	0
1975	61.9	122	71.3	116	52.6	116	2.52	98	0
1974	60	145	69.1	143	51	137	3.79	65	0
1973	65.4	47	75.3	42	55.6	69	8.46	2	0
1972	61.9	122	71.9	105	51.9	129	10.31	1	0
1971	62.4	111	73.8	71	51	137	4.50	38	0
1970	65.9	39	78.5	8	53.4	110	0.71	153	0
1969	68.5	8	81.3	2	55.7	65	2.18	114	0
1968	61.7	126	72.7	88	50.7	140	2.07	119	0
1967	61.6	127	72.7	88	50.6	141	2.31	109	0
1966	61.5	128	70.3	132	52.7	114	6.42	15	0
1965	61.1	134	73	83	49.2	151	3.76	66	0
1964	59.1	148	67.7	149	50.5	142	6.57	12	0
1963	62.9	108	74.5	56	51.2	136	2.96	88	0
1962	61.8	125	73.2	80	50.5	142	4.40	41	0
1961	67.6	14	80.7	3	54.5	92	0.71	153	0
1960	64.8	63	74.7	51	54.8	86	4.10	53	0
1959	65.4	47	74.7	51	56.1	56	4.48	39	0
1958	63.6	97	74.7	51	52.5	117	3.85	63	0
1957	64.2	84	74.5	56	53.8	106	1.72	129	0
1956	62.2	115	72.7	88	51.7	131	4.72	33	0
1955	67.7	12	78.3	9	57.2	35	3.96	56	0
1954	63.2	107	74	65	52.5	117	1.38	143	0
1953	67	25	76.9	25	57.1	37	6.43	14	0
1952	62.4	111	72.5	94	52.2	125	4.55	36	0
1951	59.1	148	66.8	151	51.4	133	6.64	11	0
1950	58.3	152	69.5	141	47.1	153	3.17	83	0
1949	66.4	32	76.9	25	55.9	62	1.84	126	0
1948	66	37	77.7	16	54.4	97	2.79	94	0
1947	66.7	30	75.2	45	58.3	17	4.62	35	0
1946	64.2	84	73.5	75	55	80	1.07	149	0
1945	65.7	42	74.5	56	56.9	42	5.09	29	0
1944	65	57	74	65	56	59	5.90	21	0
1943	65.9	39	74.7	51	57	38	4.52	37	0
1942	64.4	79	73.1	82	55.7	65	4.35	43	0
1941	64.9	60	73.4	78	56.5	51	6.53	13	0
1940	63.8	93	71.6	111	56.1	56	2.14	115	0
1939	65.5	45	74.2	62	56.9	42	5.66	23	0
1938	68.1	9	77.9	14	58.2	18	1.56	135	0
1937	69.7	2	79.3	6	60.1	6	3.87	61	0
1936	66.5	31	75.2	45	57.9	20	1.93	124	0
1935	63.9	89	71.5	113	56.3	54	5.65	24	0
1934	61.3	132	71.4	114	51.3	134	2.19	113	0
1933	63.9	89	74	65	53.9	103	0.99	150	0
1932	67.5	17	77.3	20	57.8	21	4.18	50	0
1931	63.9	89	73	83	54.8	86	4.32	44	0
1930	70.2	1	82	1	58.4	15	0.29	156	0
1929	65.3	52	76.2	31	54.4	97	0.93	152	0
1928	63.6	97	72.5	94	54.7	88	4.03	55	0
1927	60.2	144	70.1	133	50.3	144	2.59	96	0
1926	63.5	103	71.4	114	55.5	73	3.61	71	0
1925	67.5	17	77.7	16	57.3	33	3.04	85	0
1924	61.9	122	71.8	110	52	127	4.40	41	0
1923	60.3	142	70.5	128	50.1	146	1.76	128	0
1922	63.8	93	73.5	75	54.1	102	2.01	121	0
1921	63.6	97	72.2	100	55	80	2.84	91	0
1920	63.7	96	72.2	100	55.1	79	1.44	140	0
1919	65	57	73.9	68	56	59	2.99	87	0
1918	64.6	74	73.6	74	55.6	69	2.32	108	0
1917	59.9	146	70.1	133	49.6	148	2.04	120	0
1916	65.1	54	75.3	42	54.9	83	3.37	77	0
1915	61.5	128	70.9	121	52.2	125	1.56	135	0
1914	62	120	70.5	128	53.5	109	4.20	49	0
1913	62.1	117	70.4	130	53.9	103	1.26	145	0
1912	57.5	153	63.6	153	51.3	134	3.25	82	0
1911	61	135	70.1	133	51.9	129	3.02	86	0
1910	62.7	110	71.3	116	54.2	100	2.41	105	0
1909	64.6	74	72.4	97	56.7	47	4.91	32	0
1908	62.1	117	70.7	125	53.4	110	2.10	117	0
1907	60.5	140	69.4	142	51.6	132	4.28	46	0
1906	64	87	71.9	105	56.1	56	3.95	57	0
1905	64.8	63	72.7	88	56.9	42	3.55	72	0
1904	61.3	132	70	136	52.5	117	2.47	102	0
1903	60.3	142	66.2	152	54.5	92	3.80	64	0
1902	62.1	117	68.4	147	55.9	62	3.30	80	0
1901	67.8	11	74.5	56	61.1	1	1.70	130	0
1900	67.6	14	74.9	49	60.4	5	6.15	19	0
1899	64.8	63	70.8	124	58.8	12	6.18	18	0
1898	64.5	76	70.6	126	58.4	15	3.39	76	0
1897	63.8	93	70.9	121	56.7	47	3.91	59	0
1896	65.7	42	75.1	47	56.4	53	2.41	105	0
1895	65.4	47	73.2	80	57.7	23	1.67	132	0
1894	64.9	60	72.8	86	57	38	1.08	148	0
1893	64.7	69	72.1	102	57.3	33	1.51	139	0
1892	66.8	28	74.6	55	58.9	9	4.28	46	0
1891	62.3	114	69	145	55.6	69	3.11	84	0
1890	60.7	138	67.5	150	53.9	103	3.62	70	0
1889	64.7	69	72.1	102	57.4	31	7.87	3	0
1888	63.9	89	73.4	78	54.5	92	4.17	51	0
1887	63.5	103	72.4	97	54.5	92	1.53	137	0
1886	64.8	63	72.5	94	57	38	2.23	112	0
1885	61.4	131	69.1	143	53.7	107	2.51	99	0
1884	64.4	79	71.1	119	57.7	23	6.92	8	0
1883	62.8	109	69.6	140	56	59	0.98	151	0
1882	64.1	86	69.7	139	58.5	14	3.47	74	0
1881	67.3	22	73.5	75	61.1	1	7.54	4	0
1880	64.8	63	71.9	105	57.7	23	4.29	45	0
1879	67.2	23	75.5	35	58.9	9	1.58	134	0
1878	69.7	2	79	7	60.5	4	0.52	155	0
1877	69.4	5	78.2	12	60.6	3	1.38	143	0
1876	65.8	41	73.9	68	57.7	23	3.92	58	0
1875	64.5	76	72	104	56.9	42	6.19	17	0
1874	64.3	82	71.1	119	57.5	28	5.15	28	0
1873							2.45	103	31
1872							2.84	91	31
1871							2.11	116	31

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1930	70.2
1983	69.7
1937	69.7
1878	69.7
1877	69.4
2013	69
2021	68.6
1969	68.5
2010	68.1
1938	68.1

Coldest
Year	Mean, °F
1912	57.5
1950	58.3
1977	58.6
2004	58.8
1964	59.1
1951	59.1
1985	59.7
1917	59.9
1974	60
1927	60.2

Wettest
Year	Precipitation, in
1972	10.31
1973	8.46
1889	7.87
1881	7.54
1978	7.49
1999	7.41
2017	7.23
1884	6.92
1988	6.82
1995	6.67

Driest
Year	Precipitation, in
1930	0.29
1878	0.52
1970	0.71
1961	0.71
1929	0.93
1883	0.98
1933	0.99
1946	1.07
1894	1.08
2006	1.16

The hottest, coldest and wettest days

Hottest day: 83°F; 31 August 2026
Coldest night: 46°F; 24 August 2026
Wettest day: 0.68 in; 31 August 2026

Every month, season and year

Months

Seasons

Years

Duluth, MN the day's answers

All-time records

Every answer in words

August 2026 brought 2.30 in of precipitation in Duluth, MN, the driest August since 2025, 46th driest of 156.
The hottest day of August 2026 in Duluth, MN: 83°F on Monday 31 August 2026.
The coldest night of August 2026 in Duluth, MN: a low of 46°F on Monday 24 August 2026.
The wettest day of August 2026 in Duluth, MN: 0.68 in on Monday 31 August 2026.