Portland, ME: 2025

31 December 2025: 2025 averaged 46.9°F in Portland, ME, the warmest year since 2024, tied 39th warmest of 151 (with 1983).

2025

Mean temperature: 46.9°F; Warmest since 2024; 39th warmest of 151
Precipitation: 37.90 in; Driest since 2001; 34th driest of 149

A normal year in Portland, ME (1991 to 2020): a mean temperature of 47.1°F, between 45.6°F and 48.7°F in eight years of ten and 44.14 in of precipitation, between 38.48 in and 58.83 in in eight years of ten.

The mean temperature of every year in Portland, ME since 1875: 46.9°F in 2025; the highest is 49.6°F, in 1878.

Normal range, 45.6 to 48.7°F

Every year, ranked, as a table

Every year in Portland, ME 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	46.9	39	56.1	31	37.8	61	37.90	116	0
2024	49.1	5	57.9	6	40.4	10	46.32	46	0
2023	48.9	7	57.3	15	40.6	7	56.67	13	0
2022	48.3	15	57.7	9	38.9	28	46.66	43	0
2021	49	6	57.7	9	40.2	13	44.92	53	0
2020	49.5	2	58.6	1	40.4	10	41.48	83	0
2019	47.1	35	55.9	33	38.3	44	52.40	24	0
2018	47.6	25	56.3	27	38.8	32	52.80	20	0
2017	47.7	24	56.8	19	38.5	40	43.63	64	0
2016	48.5	12	58.1	3	38.9	28	42.12	78	0
2015	47.3	30	57.1	16	37.4	75	43.82	62	0
2014	46.5	47	55.5	48	37.5	69	55.87	15	0
2013	47	37	55.9	33	38.1	53	43.87	60	0
2012	49.3	3	58.1	3	40.4	10	54.47	19	0
2011	47.9	22	56.8	19	39	27	51.77	27	0
2010	49.3	3	58.5	2	40.1	15	52.51	22	0
2009	46.2	55	55.2	65	37.2	79	58.61	8	0
2008	46.8	41	55.9	33	37.8	61	61.24	3	0
2007	46.2	55	55.5	48	37	85	46.89	41	0
2006	48.6	10	57.5	12	39.8	17	60.85	5	0
2005	46.4	49	55.3	59	37.5	69	66.40	1	0
2004	45.6	85	54.5	88	36.7	93	41.22	88	0
2003	45.3	95	54.2	95	36.4	100	38.25	115	0
2002	47.3	30	56.4	24	38.2	50	44.24	56	0
2001	47.1	35	56.8	19	37.4	75	33.12	142	0
2000	46.2	55	55.4	55	37	85	40.67	95	0
1999	48	20	57.8	7	38.3	44	40.66	96	0
1998	48.4	13	57.4	14	39.4	24	54.76	18	0
1997	45.6	85	55	74	36.2	108	37.61	117	0
1996	45.3	95	54.2	95	36.5	97	58.39	9	0
1995	45.8	76	55	74	36.5	97	41.43	85	0
1994	45.9	70	55.4	55	36.4	100	44.05	59	0
1993	45.7	79	55.1	67	36.3	105	43.85	61	0
1992	45.2	102	54.3	92	36.2	108	38.51	113	0
1991	48	20	57.7	9	38.3	44	57.14	12	0
1990	48.2	16	57.5	12	38.9	28	52.69	21	0
1989	45.3	95	54.8	79	35.7	116	41.55	82	0
1988	46.6	46	56.2	29	37	85	43.62	65	0
1987	46	64	55.7	39	36.3	105	40.78	93	0
1986	45.7	79	55.3	59	36.1	113	44.44	55	0
1985	45.8	76	55.5	48	36.2	108	34.01	140	0
1984	46.4	49	55.7	39	37.1	83	48.17	38	0
1983	46.9	39	56.3	27	37.5	69	66.33	2	0
1982	45.1	108	54.6	84	35.5	118	39.68	99	0
1981	46.2	55	55.4	55	37.1	83	45.70	48	0
1980	45	114	55.1	67	35	125	33.88	141	0
1979	45.7	79	54.4	91	36.9	88	61.15	4	0
1978	44.3	132	54.6	84	34	142	36.47	128	0
1977	44.6	126	54.5	88	34.7	130	57.63	11	1
1976	43.9	142	54.2	95	33.5	147	41.39	86	0
1975	45.9	70	55.6	44	36.2	108	48.72	35	0
1974	45.7	79	55.1	67	36.4	100	43.55	67	0
1973	47.2	33	55.8	38	38.7	36	52.29	25	0
1972	43.4	147	52.5	133	34.4	138	48.62	36	0
1971	45	114	54.7	82	35.3	121	41.65	80	0
1970	45.9	70	54.9	77	36.8	90	41.44	84	0
1969	46.5	47	55.5	48	37.6	66	55.00	17	0
1968	44.9	116	54.9	77	34.8	128	41.13	90	0
1967	44	140	53.7	108	34.3	139	44.16	57	0
1966	44.8	119	54.8	79	34.7	130	40.04	97	0
1965	44.8	119	55.5	48	34.1	141	28.15	147	0
1964	44.2	136	55.3	59	33.2	149	34.59	138	0
1963	44.1	138	55.3	59	33	150	38.59	112	0
1962	43.4	147	54.2	95	32.7	151	46.33	45	0
1961	44.9	116	55.2	65	34.6	132	38.75	107	0
1960	45.1	108	55.6	44	34.6	132	43.21	71	0
1959	45.5	91	55.7	39	35.2	122	40.73	94	0
1958	44.2	136	54.2	95	34.3	139	42.42	76	0
1957	46	64	57.1	16	34.9	126	26.35	148	0
1956	43.9	142	54.3	92	33.5	147	39.41	102	0
1955	45.2	102	55.3	59	35.1	124	35.16	136	0
1954	44.9	116	54.8	79	34.9	126	55.26	16	0
1953	47.4	28	58.1	3	36.6	96	48.31	37	0
1952	46.2	55	56.7	22	35.7	116	45.20	52	0
1951	45.9	70	55.9	33	35.9	115	56.04	14	0
1950	44.8	119	55.6	44	34	142	35.67	135	0
1949	47.2	33	57.8	7	36.7	93	36.57	127	0
1948	44.7	124	55.4	55	34	142	37.46	120	0
1947	45.5	91	56.2	29	34.8	128	32.21	144	0
1946	45.2	102	55.9	33	34.5	135	36.80	125	0
1945	44.6	126	54.7	82	34.5	135	49.77	30	0
1944	44.8	119	55.1	67	34.5	135	44.78	54	0
1943	43.8	144	53.8	106	33.9	145	41.03	91	0
1942	45.2	102	55.1	67	35.4	119	44.12	58	0
1941	45.3	95	56.7	22	33.9	145	25.28	149	0
1940	44.8	119	52.4	135	37.2	79	46.52	44	18
1939	45.6	85	53.2	120	38	56	42.59	73	2
1938	47.6	25	55.1	67	40.2	13	46.24	47	0
1937	48.2	16	55.5	48	40.9	5			4
1936	46.2	55	53.9	102	38.6	37			0
1935	46	64	53.4	115	38.6	37			1
1934	45.6	85	53.2	120	38	56	45.48	50	0
1933	46.7	42	53.8	106	39.6	20	58.08	10	0
1932	48.1	18	55.7	39	40.5	8	42.95	72	0
1931	48.8	8	56.1	31	41.5	2	43.75	63	0
1930	47.4	28	55	74	39.8	17			0
1929	46.2	55	53.9	102	38.4	43	42.51	75	1
1928	46.3	53	53.7	108	38.8	32	39.49	101	0
1927	46.7	42	54	101	39.3	25	41.25	87	0
1926	44	140	51.6	145	36.4	100	38.69	109	0
1925	46	64	53.7	108	38.3	44	38.91	105	0
1924	45.3	95	53	124	37.5	69	34.79	137	0
1923	45.1	108	52.9	126	37.3	77			0
1922	46	64	53.5	114	38.5	40	48.98	33	0
1921	47.3	30	55.1	67	39.5	22	36.45	129	0
1920	45.3	95	52.6	130	38	56	59.69	6	1
1919	46	64	53.3	117	38.8	32	37.25	121	0
1918	44.3	132	52	142	36.7	93	38.45	114	0
1917	42.7	150	50.2	150	35.2	122	45.54	49	0
1916	44.6	126	52.3	138	36.9	88	46.98	40	0
1915	46.4	49	53.9	102	38.9	28	43.47	69	0
1914	44.3	132	52.4	135	36.2	108	36.10	131	0
1913	47	37	54.6	84	39.5	22	35.98	133	0
1912	45.1	108	52.9	126	37.3	77	41.19	89	0
1911	45.7	79	53.6	112	37.7	64	39.52	100	0
1910	45.9	70	53.3	117	38.6	37	32.26	143	0
1909	45.6	85	53	124	38.2	50	35.84	134	0
1908	46.1	63	54.3	92	37.9	60	30.74	146	0
1907	43.5	145	50.7	148	36.3	105	40.84	92	0
1906	45.1	108	52.4	135	37.7	64	42.54	74	0
1905	44.1	138	51.8	144	36.4	100	38.62	110	0
1904	42.2	151	49.8	151	34.6	132	36.90	123	0
1903	45.1	108	52.6	130	37.6	66	37.54	119	0
1902	45.5	91	52.7	128	38.2	50	47.75	39	0
1901	45.4	94	52.6	130	38.1	53	48.82	34	0
1900	46.2	55	54.2	95	38.3	44	50.79	29	0
1899	45.8	76	53.4	115	38.3	44	34.07	139	0
1898	46.4	49	53.6	112	39.3	25	49.76	31	0
1897	45.2	102	52.7	128	37.6	66	42.42	76	0
1896	44.7	124	52.2	139	37.2	79	45.44	51	0
1895	45.3	95	53.2	120	37.5	69	38.78	106	0
1894	45.6	85	53.2	120	38	56	37.13	122	0
1893	43.5	145	51	147	36	114	43.61	66	0
1892	45.2	102	52.5	133	37.8	61	39.15	103	0
1891	45.9	70	53.3	117	38.5	40	43.28	70	0
1890	44.4	130	51.6	145	37.2	79	51.97	26	0
1889	46.7	42	53.7	108	39.7	19	41.92	79	0
1888	42.8	149	50.3	149	35.4	119	59.24	7	0
1887	44.3	132	51.9	143	36.8	90	49.07	32	0
1886	44.5	129	52.1	141	36.8	90	51.63	28	0
1885	45.7	79	53.9	102	37.5	69	39.95	98	0
1884	47.8	23	55.5	48	40	16	52.51	22	0
1883	46.3	53	54.6	84	38.1	53	31.99	145	0
1882	48.1	18	55.7	39	40.5	8	38.74	108	0
1881	48.4	13	55.6	44	41.2	4	46.68	42	0
1880	48.6	10	56.4	24	40.8	6	37.59	118	0
1879	47.5	27	55.3	59	39.6	20	41.61	81	0
1878	49.6	1	57	18	42.3	1	38.60	111	0
1877	48.8	8	56.4	24	41.3	3	43.51	68	0
1876	46.7	42	54.5	88	38.8	32	39.04	104	0
1875	44.4	130	52.2	139	36.5	97	36.14	130	0
1874							36.04	132	90
1873							36.90	123	365
1872							36.76	126	366

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1878	49.6
2020	49.5
2012	49.3
2010	49.3
2024	49.1
2021	49
2023	48.9
1931	48.8
1877	48.8
2006	48.6
More years share the last value

Coldest
Year	Mean, °F
1904	42.2
1917	42.7
1888	42.8
1972	43.4
1962	43.4
1907	43.5
1893	43.5
1943	43.8
1976	43.9
1956	43.9

Wettest
Year	Precipitation, in
2005	66.40
1983	66.33
2008	61.24
1979	61.15
2006	60.85
1920	59.69
1888	59.24
2009	58.61
1996	58.39
1933	58.08

Driest
Year	Precipitation, in
1941	25.28
1957	26.35
1965	28.15
1908	30.74
1883	31.99
1947	32.21
1910	32.26
2001	33.12
1980	33.88
1985	34.01

The hottest, coldest and wettest days

Hottest day: 99°F; 24 June 2025
Coldest night: -7°F; 22 January 2025
Wettest day: 2.32 in; 10 May 2025

Month by month

Month	Mean temperature	Precipitation
January	22.8°F 73rd coldest of 151	2.03 in 17th driest of 150
February	22.4°F 54th coldest of 151	3.12 in 61st driest of 149
March	35.8°F 27th warmest of 151	4.40 in 50th wettest of 153
April	45.2°F 24th warmest of 152	4.59 in 49th wettest of 155
May	54.3°F 65th warmest of 152	6.61 in 10th wettest of 155
June	64.7°F 23rd warmest of 152	2.19 in 43rd driest of 155
July	71.3°F 17th warmest of 152	2.51 in 55th driest of 155
August	67.6°F 64th warmest of 152	0.53 in 5th driest of 154
September	62.5°F 25th warmest of 152	1.88 in 39th driest of 155
October	52.4°F 20th warmest of 151	3.53 in 67th wettest of 154
November	38.4°F 64th coldest of 151	2.54 in 36th driest of 151
December	24.5°F 36th coldest of 152	3.97 in 75th driest of 151

Hot days and freezes

Portland, ME has had 7 days at 90°F or above in 2025 through 31 December, the most by that date since 2022, tied 26th most of 151 (with 2022, 2021, 2007 and 10 other years).
Portland, ME has had 143 freezing nights (a low of 32°F or below) in 2025 through 31 December, the most by that date since 2019, tied 74th most of 151 (with 2015 and 1994).
The first freeze of fall 2025 in Portland, ME came on Friday 10 October 2025, the earliest since 2022, tied 64th earliest of 151 (with 2010, 1986, 1982 and 3 other years).
The last freeze of spring 2025 in Portland, ME came on Monday 21 April 2025, the latest since 2024, tied 113th latest of 151 (with 1926, 1925, 1913 and 2 other years).

Daily records set

Date	Record	Value	Before	Check
6 October	Warmest day	86°F	84°F 1947, 1946	Provisional
28 September	Warmest day	85°F	83°F 1881	Provisional
24 June	Warmest day	99°F	93°F 1976	Provisional
19 April	Warmest day	79°F	77°F 1914	Provisional

Daily records set and not listed: 0

Every month, season and year

Months

Seasons

Years

2025
2026

Portland, ME the day's answers

All-time records

Every answer in words

2025 brought 37.90 in of precipitation in Portland, ME, the driest year since 2001, 34th driest of 149.
The hottest day of 2025 in Portland, ME: 99°F on Tuesday 24 June 2025.
The coldest night of 2025 in Portland, ME: a low of -7°F on Wednesday 22 January 2025.
The wettest day of 2025 in Portland, ME: 2.32 in on Saturday 10 May 2025.