Average Temperature in Portland by Year

This page contains a list of the average yearly high and low temperatures in Portland, Maine for each year between 1875 and 2023. It is based on NOAA data.

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Month:

What Was the Hottest Year Ever in Portland?

1878 was the warmest year in the history of Portland, Maine. The average daily high temperature was 57.0 °F, and the average low was 42.3 °F.

What Was the Coldest Year Ever in Portland?

1904 was the coolest year in the history of Portland, Maine. The average daily high temperature was 49.8 °F, and the average low was 34.6 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	6	57.3	40.6
2022	14	57.7	38.9
2021	5	57.7	40.2
2020	2	58.6	40.4
2019	35	55.9	38.3
2018	25	56.3	38.8
2017	23	56.8	38.5
2016	11	58.2	38.9
2015	31	57.1	37.4
2014	46	55.5	37.5
2013	37	55.9	38.1
2012	3	58.2	40.4
2011	21	56.8	39.0
2010	4	58.5	40.1
2009	59	55.2	37.2
2008	39	55.9	37.8
2007	58	55.4	37.0
2006	9	57.5	39.8
2005	49	55.3	37.5
2004	84	54.6	36.7
2003	98	54.2	36.4
2002	29	56.4	38.2
2001	34	56.8	37.4
2000	56	55.4	37.0
1999	19	57.8	38.3
1998	12	57.4	39.4
1997	88	55.0	36.2
1996	93	54.2	36.5
1995	76	55.0	36.5
1994	68	55.4	36.4
1993	80	55.1	36.3
1992	99	54.4	36.2
1991	20	57.7	38.3
1990	16	57.5	38.9
1989	100	54.8	35.7
1988	44	56.2	37.0
1987	64	55.7	36.3
1986	77	55.3	36.1
1985	74	55.5	36.2
1984	47	55.8	37.1
1983	38	56.3	37.5
1982	111	54.6	35.5
1981	57	55.4	37.1
1980	110	55.2	35.0
1979	81	54.4	36.9
1978	132	54.6	34.0
1977	125	54.4	34.7
1976	141	54.2	33.5
1975	72	55.6	36.2
1974	78	55.1	36.4
1973	32	55.8	38.7
1972	145	52.6	34.4
1971	113	54.7	35.3
1970	73	54.9	36.8
1969	45	55.5	37.6
1968	114	55.0	34.8
1967	138	53.7	34.3
1966	120	54.8	34.7
1965	118	55.5	34.1
1964	134	55.3	33.2
1963	136	55.3	33.0
1962	146	54.2	32.7
1961	115	55.2	34.6
1960	106	55.6	34.6
1959	91	55.7	35.2
1958	135	54.2	34.3
1957	65	57.1	34.9
1956	140	54.4	33.5
1955	104	55.3	35.1
1954	116	54.9	34.9
1953	28	58.1	36.7
1952	54	56.8	35.7
1951	71	55.9	35.9
1950	119	55.6	34.0
1949	33	57.8	36.7
1948	122	55.4	34.0
1947	89	56.2	34.8
1946	102	55.9	34.5
1945	124	54.7	34.5
1944	117	55.2	34.5
1943	142	53.8	33.9
1942	101	55.1	35.4
1941	95	56.7	33.9
1940	126	52.2	36.9
1939	86	53.2	38.0
1938	24	55.1	40.2
1937	15	55.6	41.0
1936	53	54.0	38.6
1935	62	53.5	38.6
1934	85	53.2	38.0
1933	41	53.8	39.6
1932	17	55.8	40.6
1931	8	56.1	41.5
1930	27	55.0	39.8
1929	60	53.9	38.4
1928	52	53.7	38.9
1927	43	54.1	39.3
1926	139	51.6	36.3
1925	67	53.7	38.3
1924	97	53.1	37.5
1923	108	52.9	37.3
1922	66	53.5	38.5
1921	30	55.1	39.5
1920	92	52.7	38.1
1919	63	53.3	38.8
1918	131	52.0	36.7
1917	148	50.2	35.2
1916	123	52.3	36.9
1915	50	53.9	38.9
1914	133	52.4	36.2
1913	36	54.6	39.5
1912	109	52.9	37.3
1911	82	53.6	37.7
1910	69	53.3	38.6
1909	87	53.0	38.2
1908	61	54.4	37.9
1907	144	50.7	36.3
1906	112	52.4	37.7
1905	137	51.8	36.4
1904	149	49.8	34.6
1903	107	52.6	37.6
1902	90	52.7	38.2
1901	94	52.6	38.1
1900	55	54.2	38.3
1899	75	53.4	38.3
1898	48	53.6	39.3
1897	105	52.7	37.6
1896	121	52.4	37.1
1895	96	53.3	37.3
1894	83	53.5	37.8
1893	143	51.6	35.6
1892	103	52.7	37.7
1891	70	53.7	38.2
1890	128	52.1	36.8
1889	42	54.0	39.4
1888	147	50.4	35.3
1887	130	51.9	36.8
1886	127	52.1	36.8
1885	79	53.9	37.5
1884	22	55.5	40.1
1883	51	54.6	38.1
1882	18	55.7	40.5
1881	13	55.6	41.1
1880	10	56.4	40.8
1879	26	55.3	39.6
1878	1	57.0	42.3
1877	7	56.4	41.3
1876	40	54.6	38.9
1875	129	52.3	36.5

Weather Station Details

Years	Station	Coordinates
1940–2024	Portland International JetPort	location
1871–1940	Portland	location