Duluth, MN: 2025

31 December 2025: 2025 averaged 40.7°F in Duluth, MN, the warmest year since 2024, tied 29th warmest of 151 (with 1944 and 1902).

2025

Mean temperature: 40.7°F; Warmest since 2024; 29th warmest of 151
Precipitation: 20.35 in; Driest since 1987; 6th driest of 153

A normal year in Duluth, MN (1991 to 2020): a mean temperature of 40°F, between 38.2°F and 42.7°F in eight years of ten and 31.09 in of precipitation, between 24.92 in and 35.76 in in eight years of ten.

The mean temperature of every year in Duluth, MN since 1875: 40.7°F in 2025; the highest is 44.6°F, in 2024.

Normal range, 38.2 to 42.7°F

Every year, ranked, as a table

Every year in Duluth, MN from 1872 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	40.7	29	50.1	18	31.2	46	20.35	148	0
2024	44.6	1	53.7	1	35.5	3	28.00	92	0
2023	42.6	12	51.4	10	33.9	12	32.99	37	0
2022	38.9	82	48	72	29.8	91	34.06	29	0
2021	43.3	5	52.6	5	34	11	25.71	112	0
2020	41.4	18	50.6	15	32.2	32	21.26	143	0
2019	40.1	40	49	39	31.2	46	34.34	25	0
2018	40.3	34	49.5	28	31.1	52	29.80	69	0
2017	40.5	32	49.5	28	31.6	42	36.78	15	0
2016	42.7	10	51.4	10	34.1	9	33.66	31	0
2015	42.7	10	51.6	9	33.7	15	32.29	41	0
2014	37.6	123	46.2	127	29	112	30.63	56	0
2013	39.1	71	48.3	61	30	79	30.44	61	0
2012	44.1	4	53.5	2	34.7	5	33.20	36	0
2011	40.9	24	49.6	26	32.1	33	26.07	109	0
2010	42	13	51.2	12	32.8	21	35.60	20	0
2009	39	78	48	72	30.1	74	29.10	79	0
2008	37.9	114	46.8	110	29	112	31.00	52	0
2007	40.8	26	49.8	23	31.7	40	30.02	65	0
2006	43	7	51.7	8	34.2	7	24.55	122	0
2005	40.9	24	49.7	25	32.1	33	32.39	39	0
2004	39	78	48.1	69	30	79	29.83	68	0
2003	39.4	60	48.8	44	30.1	74	24.96	119	0
2002	39.7	51	48.4	57	31	55	31.17	50	0
2001	41.5	17	50.7	14	32.4	26	30.22	62	0
2000	39.6	54	48.9	41	30.3	69	31.34	49	0
1999	41.6	16	50.6	15	32.5	25	38.11	9	0
1998	43.2	6	51.8	7	34.7	5	31.52	48	0
1997	38.6	97	47.4	95	29.9	85	20.98	145	0
1996	36.4	143	45.2	141	27.6	139	35.65	19	0
1995	39.4	60	48.2	65	30.7	59	34.30	26	0
1994	39.9	46	48.8	44	30.9	58	30.53	60	0
1993	38.2	107	46.8	110	29.7	95	32.35	40	0
1992	39.1	71	48.1	69	30	79	28.67	85	0
1991	39.4	60	48.9	41	29.9	85	43.44	2	0
1990	40.3	34	50.6	15	29.9	85	33.39	34	0
1989	37.2	132	47.6	89	26.8	145	26.29	107	0
1988	38.8	86	49.3	30	28.3	126	32.17	42	0
1987	42.8	9	52.8	4	32.8	21	19.84	150	0
1986	39.2	67	48.8	44	29.6	99	36.27	16	0
1985	37.1	135	46.7	115	27.6	139	31.83	46	0
1984	39.7	51	48.9	41	30.6	61	26.83	103	0
1983	39.7	51	47.6	89	31.8	36	32.03	45	0
1982	36.8	138	45.8	136	27.9	133	34.23	27	0
1981	39.9	46	48.6	50	31.1	52	28.37	88	0
1980	38.3	104	47.8	80	28.9	115	25.57	114	0
1979	37.6	123	46.4	121	28.9	115	30.92	54	0
1978	38.6	97	48	72	29.1	110	29.66	72	0
1977	39.4	60	48.2	65	30.5	64	34.02	30	0
1976	37.8	119	48	72	27.6	139	20.67	146	0
1975	37.9	114	46.5	120	29.3	105	29.41	75	0
1974	37.3	131	46	132	28.7	120	25.50	115	0
1973	39.6	54	48.5	54	30.7	59	32.05	43	0
1972	34.6	148	43.8	150	25.4	150	39.61	5	0
1971	38	112	47.7	84	28.4	123	34.40	24	0
1970	37.9	114	47.6	89	28.2	127	27.47	97	0
1969	38.8	86	48.4	57	29.3	105	27.49	96	0
1968	38.9	82	48.6	50	29.2	108	38.29	7	0
1967	37.5	127	47.3	98	27.6	139	21.43	140	0
1966	37.4	129	46.8	110	28	131	34.15	28	0
1965	36.8	138	46.9	107	26.7	146	38.04	10	0
1964	38.8	86	48.8	44	28.8	118	34.95	22	0
1963	39.8	49	49.9	21	29.8	91	22.40	137	0
1962	37.1	135	46.6	117	27.7	137	29.57	73	0
1961	40	43	50	19	29.9	85	23.48	127	0
1960	38.7	93	48.2	65	29.2	108	26.93	102	0
1959	38.1	109	47.7	84	28.5	122	30.63	56	0
1958	38.7	93	48.6	50	28.8	118	27.36	98	0
1957	37.8	119	47.7	84	27.9	133	28.82	82	0
1956	37.9	114	48	72	27.7	137	21.35	141	0
1955	38.8	86	48.8	44	28.7	120	33.49	33	0
1954	38.8	86	47.9	78	29.7	95	26.30	106	0
1953	40.2	39	49.8	23	30.6	61	34.63	23	0
1952	40	43	49.9	21	30.1	74	25.11	117	0
1951	36.2	146	45	144	27.4	144	36.83	14	0
1950	34.6	148	44.2	148	25	151	40.08	3	0
1949	39.3	64	49.2	33	29.3	105	38.29	7	0
1948	38.6	97	48.8	44	28.4	123	28.11	90	0
1947	39.5	58	47.7	84	31.2	46	22.51	136	0
1946	40.1	40	49.1	36	31.2	46	27.53	95	0
1945	38.7	93	46.9	107	30.4	67	32.68	38	0
1944	40.7	29	49	39	32.3	29	30.56	59	0
1943	38.7	93	48	72	29.4	102	24.56	121	0
1942	40.3	34	48.6	50	31.9	35	26.66	105	0
1941	41.8	14	50	19	33.5	18	29.77	70	0
1940	39.5	58	47.8	80	31.2	46	25.60	113	0
1939	40.3	34	49.1	36	31.4	44	24.80	120	0
1938	40.8	26	49.3	30	32.4	26	29.01	80	0
1937	38.5	100	47.1	104	29.9	85	29.36	77	0
1936	37.2	132	46.3	124	28	131	20.99	144	0
1935	38.2	107	46.3	124	30.1	74	29.30	78	0
1934	39	78	48.1	69	29.9	85	22.98	134	0
1933	38.5	100	47.6	89	29.4	102	25.50	115	0
1932	39.1	71	48.4	57	29.8	91	22.64	135	0
1931	44.5	2	53.2	3	35.9	2	30.76	55	0
1930	40.3	34	49.6	26	31.1	52	23.28	129	0
1929	37.2	132	46.4	121	27.9	133	23.16	132	0
1928	39.1	71	47.7	84	30.4	67	29.99	66	1
1927	37.5	127	46	132	29	112	29.97	67	0
1926	36.8	138	45.5	138	28.2	127	25.91	110	0
1925	38.8	86	47.8	80	29.8	91	20.55	147	0
1924	36.8	138	45.7	137	27.8	136	28.17	89	0
1923	38.9	82	47.8	80	30	79	22.29	139	0
1922	39.2	67	47.4	95	31	55	29.00	81	0
1921	41	22	49.3	30	32.7	23	25.07	118	0
1920	39	78	46.9	107	31.2	46	29.74	71	0
1919	38.3	104	46.1	130	30.5	64	23.77	126	0
1918	38.9	82	47.2	100	30.5	64	19.76	151	0
1917	34.4	150	43.1	151	25.7	149	23.23	130	0
1916	36.4	143	45.3	139	27.6	139	29.38	76	0
1915	37.8	119	46.8	110	30.1	74	25.77	111	30
1914	38.3	104	46.6	117	30	79	30.09	64	0
1913	38	112	46.6	117	29.4	102	28.69	84	0
1912	36.3	145	44.6	147	28.1	130	21.34	142	0
1911	38.5	100	47.3	98	29.7	95	27.71	93	0
1910	40.4	33	49.2	33	31.6	42	18.11	153	0
1909	38.1	109	46	132	30.2	71	33.65	32	0
1908	39.9	46	48.3	61	31.4	44	31.05	51	0
1907	36.5	142	44.8	145	28.2	127	23.87	125	0
1906	39.1	71	47.2	100	31	55	28.78	83	0
1905	38.4	103	46.2	127	30.6	61	35.77	18	0
1904	34.3	151	43.9	149	26.5	147	24.45	123	30
1903	39.2	67	46.8	110	31.7	40	28.01	91	0
1902	40.7	29	47.9	78	33.6	16	26.14	108	0
1901	40.1	40	47.2	100	33.1	20	26.68	104	0
1900	41.4	18	49.1	36	33.8	13	23.14	133	0
1899	39.1	71	46.4	121	31.8	36	30.62	58	0
1898	41	22	48.4	57	33.6	16	19.70	152	0
1897	39.6	54	47	106	32.3	29	30.94	53	0
1896	39.6	54	47.5	93	31.8	36	27.19	100	1
1895	39.3	64	46.7	115	31.8	36	22.30	138	0
1894	41.7	15	49.2	33	34.1	9	31.70	47	0
1893	37.6	123	44.8	145	30.3	69	23.34	128	0
1892	39.2	67	46.1	130	32.3	29	28.52	86	0
1891	40	43	47.4	95	32.6	24	29.47	74	0
1890	39.8	49	47.2	100	32.4	26	24.09	124	0
1889	41.1	21	48.5	54	33.8	13	32.04	44	0
1888	37.9	114	46.2	127	29.6	99	27.31	99	0
1887	38.1	109	47.1	104	29.1	110	28.46	87	0
1886	39.1	71	48.2	65	30	79	33.37	35	0
1885	36.9	137	45.3	139	28.4	123	19.96	149	5
1884	37.4	129	45.1	142	29.7	95	35.35	21	0
1883	37.8	119	46	132	29.5	101	23.20	131	0
1882	41.4	18	48.5	54	34.2	7	38.01	11	0
1881	40.8	26	48.3	61	33.3	19	37.22	13	0
1880	38.8	86	47.5	93	30.2	71	37.76	12	0
1879	39.3	64	48.3	61	30.2	71	45.38	1	0
1878	44.4	3	52.1	6	36.8	1	27.59	94	0
1877	42.9	8	50.8	13	34.9	4			0
1876	37.6	123	46.3	124	28.9	115	39.96	4	0
1875	35.7	147	45.1	142	26.4	148	27.01	101	0
1874							36.01	17	132
1873							38.81	6	365
1872							30.12	63	366

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2024	44.6
1931	44.5
1878	44.4
2012	44.1
2021	43.3
1998	43.2
2006	43
1877	42.9
1987	42.8
2016	42.7
More years share the last value

Coldest
Year	Mean, °F
1904	34.3
1917	34.4
1972	34.6
1950	34.6
1875	35.7
1951	36.2
1912	36.3
1996	36.4
1916	36.4
1907	36.5

Wettest
Year	Precipitation, in
1879	45.38
1991	43.44
1950	40.08
1876	39.96
1972	39.61
1873	38.81
1968	38.29
1949	38.29
1999	38.11
1965	38.04

Driest
Year	Precipitation, in
1910	18.11
1898	19.70
1918	19.76
1987	19.84
1885	19.96
2025	20.35
1925	20.55
1976	20.67
1997	20.98
1936	20.99

The hottest, coldest and wettest days

Hottest day: 88°F; 27 July 2025
Coldest night: -27°F; 21 January 2025
Wettest day: 0.95 in; 15 July 2025

Month by month

Month	Mean temperature	Precipitation
January	9°F 72nd coldest of 151	0.50 in 32nd driest of 153
February	11.6°F 65th coldest of 151	1.07 in 53rd wettest of 154
March	30.4°F 22nd warmest of 151	1.36 in 72nd driest of 154
April	39°F 63rd warmest of 151	2.65 in 52nd wettest of 153
May	53.3°F 20th warmest of 151	1.48 in 17th driest of 154
June	60.6°F 45th warmest of 150	2.94 in 40th driest of 154
July	66.5°F 56th warmest of 152	3.75 in 68th wettest of 154
August	65.1°F 53rd warmest of 152	1.53 in 19th driest of 155
September	59.1°F 25th warmest of 152	2.53 in 57th driest of 153
October	48.4°F 21st warmest of 152	0.56 in 9th driest of 154
November	31.3°F 46th warmest of 151	1.27 in 60th driest of 154
December	11.9°F 39th coldest of 152	0.71 in 48th driest of 155

Hot days and freezes

Duluth, MN has had 177 freezing nights (a low of 32°F or below) in 2025 through 31 December, the most by that date since 2022, tied 81st most of 151 (with 1948, 1923 and 1920).
The first freeze of fall 2025 in Duluth, MN came on Tuesday 7 October 2025, the earliest since 2022, tied 100th earliest of 152 (with 2015, 1979, 1937 and 2 other years).
The last freeze of spring 2025 in Duluth, MN came on Friday 23 May 2025, the latest since 2021, tied 36th latest of 149 (with 1963, 1917 and 1882).

Daily records set

Date	Record	Value	Before	Check
4 October	Warmest day	84°F	83°F 1922	Provisional
12 May	Warmest day	86°F	84°F 1940	Provisional
11 May	Warmest day	87°F	83°F 1991	Provisional
10 March	Warmest day	62°F	58°F 2015	Provisional
9 March	Warmest day	57°F	55°F 2021	Provisional

Daily records set and not listed: 0

Every month, season and year

Months

Seasons

Years

2025
2026

Duluth, MN the day's answers

All-time records

Every answer in words

2025 brought 20.35 in of precipitation in Duluth, MN, the driest year since 1987, 6th driest of 153.
The hottest day of 2025 in Duluth, MN: 88°F on Sunday 27 July 2025.
The coldest night of 2025 in Duluth, MN: a low of -27°F on Tuesday 21 January 2025.
The wettest day of 2025 in Duluth, MN: 0.95 in on Tuesday 15 July 2025.