Portland, ME: December

31 December 2025: December 2025 averaged 24.5°F in Portland, ME, the coldest December since 2017, tied 36th coldest of 152 (with 1940).

December 2025

Mean temperature: 24.5°F; Coldest since 2017; 36th coldest of 152
Precipitation: 3.97 in; Driest since 2021; 75th driest of 151

A normal December in Portland, ME (1991 to 2020): a mean temperature of 29.6°F, between 24.6°F and 34.5°F in eight years of ten and 4.47 in of precipitation, between 2.11 in and 6.30 in in eight years of ten.

The mean temperature of every December in Portland, ME since 1874: 24.5°F in 2025; the lowest is 14°F, in 1989.

Normal range, 24.6 to 34.5°F

Every year, ranked, as a table

Every December in Portland, ME from 1871 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	24.5	116	33.1	112	16	121	3.97	77	0
2024	29.5	54	37.4	51	21.5	57	5.18	39	0
2023	35.2	4	42.4	7	28.1	4	6.67	12	0
2022	31.9	27	39.5	26	24.4	25	3.98	76	0
2021	32.1	22	39.8	23	24.5	24	3.76	81	0
2020	31.2	32	38.9	33	23.6	34	5.22	38	0
2019	30.8	37	39.1	29	22.6	43	8.48	4	0
2018	29.7	50	38.6	38	20.8	69	3.65	85	0
2017	23.3	130	31.1	131	15.5	127	3.46	92	0
2016	28.1	70	36.6	59	19.6	81	5.31	34	0
2015	37.9	1	45.8	1	30	2	5.34	32	0
2014	33.7	10	40.3	16	27	7	6.27	20	0
2013	24.3	120	31.5	128	17.2	106	4.44	59	0
2012	32	24	39.8	23	24.1	27	8.30	5	0
2011	33.3	14	42	9	24.6	21	3.51	90	0
2010	29.2	60	36.6	59	21.7	53	4.03	74	0
2009	29.3	59	36.9	56	21.6	55	5.24	37	0
2008	28.5	66	37.6	46	19.5	83	4.62	52	0
2007	25.4	105	33.8	101	17	109	3.79	80	0
2006	34.5	6	43.3	2	25.6	13	3.36	98	0
2005	27.7	78	35.4	79	20.1	77	5.30	35	0
2004	28	72	36.6	59	19.4	86	4.28	65	0
2003	29.6	52	38.5	39	20.7	72	4.54	53	0
2002	27.4	81	35.7	74	19	91	4.51	54	0
2001	34.8	5	42.7	5	26.8	9	2.03	131	0
2000	24.6	113	33.4	105	15.8	122	4.49	56	0
1999	31.9	27	39.7	25	24.1	27	2.00	133	0
1998	32.4	19	42	9	22.9	39	1.56	140	0
1997	29.5	54	38.3	41	20.6	74	2.57	119	0
1996	34.5	6	41.1	14	27.8	6	6.53	16	0
1995	24.6	113	32.9	117	16.3	119	4.35	61	0
1994	31.5	30	40.2	19	22.8	40	6.20	21	0
1993	29.9	45	37.6	46	22.2	47	5.40	30	0
1992	28.9	63	36.6	59	21.2	62	2.12	129	0
1991	26.4	96	35.8	71	16.9	112	4.06	73	0
1990	33.6	11	42.1	8	25.2	18	7.90	7	0
1989	14	152	24.7	152	3.4	152	2.23	125	0
1988	26	101	35.2	82	16.8	115	1.21	144	0
1987	30.2	39	38.3	41	22.1	48	2.01	132	0
1986	29.6	52	38.2	43	20.9	67	5.91	25	0
1985	24.6	113	33.3	108	15.8	122	2.39	123	0
1984	31.1	34	40.2	19	22.1	48	3.44	95	0
1983	26.1	99	34.5	90	17.7	101	8.78	3	0
1982	32	24	40.4	15	23.5	35	1.18	147	0
1981	29.1	62	35.8	71	22.5	45	4.51	54	0
1980	21.3	140	33.1	112	9.5	146	1.18	147	0
1979	29.8	46	38.8	35	20.8	69	2.59	118	0
1978	26	101	35.4	79	16.7	117	3.15	103	0
1977	25.4	105	33.9	100	16.9	112	6.61	13	0
1976	19.4	145	30.2	137	8.6	148	3.22	101	0
1975	24.3	120	34	99	14.5	132	8.14	6	0
1974	30.2	39	38.7	36	21.7	53	4.41	60	0
1973	33.5	12	41.6	12	25.4	17	9.57	2	0
1972	24	123	30.7	133	17.2	106	6.49	17	0
1971	27.3	84	36.5	63	18	99	2.85	113	0
1970	19.5	144	27.7	147	11.4	142	5.14	41	0
1969	28.7	65	35.9	70	21.5	57	9.69	1	0
1968	25.2	109	33.2	111	17.2	106	7.70	8	0
1967	27.8	76	36.8	57	18.7	94	6.00	23	0
1966	26.7	91	36	69	17.4	104	3.46	92	0
1965	27.8	76	36.5	63	19.2	87	2.40	122	0
1964	25.3	108	32.9	117	17.6	103	3.75	82	0
1963	16.5	151	26.8	148	6.3	151	2.16	128	0
1962	23.8	125	35.2	82	12.4	140	5.47	27	0
1961	26.1	99	34.9	86	17.3	105	2.96	109	0
1960	22.2	136	33.5	104	10.9	143	3.71	84	0
1959	29.7	50	37.4	51	21.9	50	4.92	46	0
1958	18	148	28	146	8	149	1.19	146	0
1957	32.9	17	41.8	11	24	29	3.10	106	0
1956	27.5	80	35.5	77	19.5	83	3.35	99	0
1955	18.1	147	28.5	143	7.8	150	0.98	150	0
1954	27.4	81	36.3	67	18.5	95	5.32	33	0
1953	33	15	42.8	4	23.3	37	4.02	75	0
1952	30.1	42	37.4	51	22.8	40	5.28	36	0
1951	25.4	105	36.1	68	14.7	130	6.56	14	0
1950	29.4	57	37.6	46	21.2	62	4.09	72	0
1949	30	44	40	22	20	78	1.75	137	0
1948	29.8	46	38.9	33	20.7	72	3.83	79	0
1947	22.8	132	32.4	120	13.2	138	1.96	134	0
1946	26.6	94	36.4	65	16.9	112	4.49	56	0
1945	22.1	138	31.6	125	12.5	139	5.95	24	0
1944	23.5	128	33.3	108	13.8	137	3.74	83	0
1943	21	142	31.9	123	10	144	1.00	149	0
1942	22.8	132	31.8	124	13.9	135	4.99	44	0
1941	29.4	57	38.5	39	20.3	76	2.90	112	0
1940	24.5	116	34.5	90	14.5	132	3.11	105	0
1939	28.9	63	35.5	77	22.4	46	4.16	69	0
1938	31	35	37.4	51	24.6	21	4.29	63	0
1937	27	88	33	115	20.9	67			0
1936	31	35	39.1	29	22.8	40			0
1935	24.4	118	30.5	135	18.3	97			0
1934	25	111	32	121	18	99	3.90	78	0
1933	21.2	141	28.2	144	14.3	134	7.52	9	0
1932	32.9	17	40.2	19	25.5	14	1.39	142	0
1931	31.9	27	39.1	29	24.6	21	3.53	89	0
1930	28.3	68	34.7	88	21.9	50			0
1929	25.6	103	31.6	125	19.5	83	4.88	47	0
1928	33.5	12	40.3	16	26.7	10	3.55	88	0
1927	30.7	38	37.6	46	23.8	31	5.50	26	0
1926	23.6	127	30.5	135	16.6	118	3.56	87	0
1925	27.6	79	34.4	94	20.8	69	3.51	90	0
1924	24.2	122	31.4	130	17	109	2.20	126	0
1923	34.1	8	40.3	16	27.9	5	3.58	86	0
1922	23.8	125	30.7	133	17	109	4.81	49	0
1921	25.6	103	33.1	112	18.1	98	3.14	104	0
1920	29.8	46	35.7	74	23.9	30	6.32	19	0
1919	22.9	131	30.1	138	15.6	125	1.78	136	0
1918	28	72	33.4	105	22.6	43	4.30	62	0
1917	17.8	149	25.6	149	10	144	4.22	66	0
1916	27.3	84	33.4	105	21.2	62	6.09	22	0
1915	29.5	54	35.4	79	23.5	35	4.87	48	0
1914	24.4	118	32	121	16.8	115	2.98	108	0
1913	32	24	38.7	36	25.2	18	4.29	63	0
1912	32.3	20	39.1	29	25.5	14	4.16	69	0
1911	33	15	39.5	26	26.5	11	4.49	56	0
1910	22	139	29.3	141	14.6	131	3.43	96	0
1909	27.2	86	33.3	108	21.1	66	2.06	130	0
1908	26.4	96	33.7	102	19.2	87	2.92	111	0
1907	31.5	30	37.6	46	25.5	14	4.12	71	0
1906	22.2	136	29.3	141	15.1	129	4.80	50	0
1905	29.2	60	36.7	58	21.8	52	5.44	28	0
1904	18.6	146	24.9	151	12.2	141	1.43	141	0
1903	23.9	124	31.6	125	16.2	120	3.46	92	0
1902	23.4	129	30.9	132	15.8	122	6.54	15	0
1901	28.3	68	35	84	21.6	55	7.14	10	0
1900	27	88	34.2	96	19.8	79	2.38	124	0
1899	32.1	22	38.2	43	26	12	2.84	115	0
1898	26.7	91	34.2	96	19.1	90	2.85	113	0
1897	28	72	34.4	94	21.5	57	4.22	66	0
1896	25.2	109	32.8	119	17.7	101	2.18	127	0
1895	30.2	39	37.4	51	23	38	3.30	100	0
1894	27.4	81	34.9	86	19.8	79	1.75	137	0
1893	22.8	132	30.1	138	15.6	125	5.42	29	0
1892	25	111	31.5	128	18.5	95	1.32	143	0
1891	35.9	3	43.1	3	28.6	3	4.17	68	0
1890	17.5	150	25.5	150	9.4	147	5.08	42	0
1889	32.2	21	39.4	28	25.1	20	4.96	45	0
1888	30.1	42	36.4	65	23.8	31	4.71	51	0
1887	27.9	75	34.5	90	21.2	62	5.17	40	0
1886	22.7	135	30.1	138	15.3	128	5.04	43	0
1885	27.1	87	34.6	89	19.6	81	2.94	110	0
1884	31.2	32	38	45	24.4	25	6.42	18	0
1883	26.9	90	34.5	90	19.2	87	2.63	116	0
1882	28.1	70	35	84	21.3	61	2.61	117	0
1881	36.5	2	42.7	5	30.3	1	6.79	11	0
1880	26.7	91	33	115	20.5	75	3.17	102	0
1879	28.5	66	35.7	74	21.4	60	3.39	97	0
1878	29.8	46	35.8	71	23.8	31	5.36	31	0
1877	34.1	8	41.4	13	26.9	8	1.20	145	0
1876	21	142	28.1	145	13.9	135	2.48	121	0
1875	26.5	95	34.2	96	18.9	92	1.62	139	0
1874	26.3	98	33.7	102	18.9	92	0.93	151	0
1873							1.80	135	31
1872							2.54	120	31
1871							3.00	107	31

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2015	37.9
1881	36.5
1891	35.9
2023	35.2
2001	34.8
2006	34.5
1996	34.5
1923	34.1
1877	34.1
2014	33.7

Coldest
Year	Mean, °F
1989	14
1963	16.5
1890	17.5
1917	17.8
1958	18
1955	18.1
1904	18.6
1976	19.4
1970	19.5
1943	21
More years share the last value

Wettest
Year	Precipitation, in
1969	9.69
1973	9.57
1983	8.78
2019	8.48
2012	8.30
1975	8.14
1990	7.90
1968	7.70
1933	7.52
1901	7.14

Driest
Year	Precipitation, in
1874	0.93
1955	0.98
1943	1.00
1982	1.18
1980	1.18
1958	1.19
1877	1.20
1988	1.21
1892	1.32
1932	1.39

The hottest, coldest and wettest days

Hottest day: 53°F; 19 December 2025
Coldest night: -3°F; 9 December 2025
Wettest day: 1.80 in; 29 December 2025

Every month, season and year

Months

Seasons

Years

Portland, ME the day's answers

All-time records

Every answer in words

December 2025 brought 3.97 in of precipitation in Portland, ME, the driest December since 2021, 75th driest of 151.
The hottest day of December 2025 in Portland, ME: 53°F on Friday 19 December 2025.
The coldest night of December 2025 in Portland, ME: a low of -3°F on Tuesday 9 December 2025.
The wettest day of December 2025 in Portland, ME: 1.80 in on Monday 29 December 2025.