Average December Temperature in Trenton by Year

This page contains a list of the average monthly high and low temperatures in Trenton, New Jersey for the month of December each year between 1868 and 2023. It is based on NOAA data.

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What Was the Hottest December Ever in Trenton?

2015 was the warmest December in the history of Trenton, New Jersey. The average daily high temperature was 56.5 °F, and the average low was 41.6 °F.

What Was the Coldest December Ever in Trenton?

1989 was the coolest December in the history of Trenton, New Jersey. The average daily high temperature was 31.6 °F, and the average low was 14.7 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	12	48.1	33.6
2022	89	43.2	26.6
2021	8	48.8	34.1
2020	71	44.1	27.9
2019	67	43.6	28.8
2018	26	46.5	31.6
2017	100	40.8	26.4
2016	62	44.0	29.1
2015	1	56.5	41.6
2014	28	45.4	32.6
2013	75	43.4	28.0
2012	15	47.6	33.4
2011	3	51.6	33.0
2010	114	39.0	25.3
2009	79	42.7	28.7
2008	54	45.2	28.9
2007	72	42.2	29.6
2006	6	50.5	33.0
2005	110	39.9	25.1
2004	81	43.6	27.6
2003	83	43.1	28.1
2002	112	40.0	24.7
2001	9	50.3	32.2
2000	137	35.8	20.0
1999	51	45.1	29.7
1998	27	48.9	29.2
1997	66	44.1	28.5
1996	29	46.0	31.9
1995	123	37.4	23.9
1994	23	49.5	29.2
1993	93	43.4	25.3
1992	73	44.0	27.8
1991	53	46.4	27.7
1990	18	50.0	29.9
1989	139	31.6	14.7
1988	105	42.2	24.3
1987	40	46.8	29.3
1986	86	43.6	27.2
1985	127	39.0	20.9
1984	17	49.2	30.9
1983	122	38.9	22.5
1982	13	49.0	32.3
1981	77	43.6	27.8
1980	116	40.2	23.6
1979	44	46.4	29.1
1978	57	46.6	27.2
1977	107	39.8	26.1
1976	120	37.9	23.5
1975	61	43.6	29.8
1974	22	45.5	33.3
1973	30	46.0	31.8
1972	19	44.9	34.9
1971	4	48.7	35.5
1970	84	40.6	30.5
1969	102	38.7	28.3
1968	97	40.3	27.1
1967	33	44.4	32.6
1966	64	42.8	30.1
1965	32	45.1	31.9
1964	60	43.3	30.3
1963	129	34.9	23.9
1962	125	36.8	24.1
1961	96	40.1	27.7
1960	132	37.0	21.4
1959	43	44.4	31.3
1958	133	36.2	22.0
1957	24	45.3	33.1
1956	10	48.4	33.9
1955	128	36.3	22.5
1954	87	41.5	28.9
1953	20	47.2	32.3
1952	47	43.7	31.6
1951	39	45.7	30.3
1950	103	39.8	27.1
1949	34	45.8	31.0
1948	56	43.6	30.3
1947	95	40.5	27.3
1946	45	46.0	29.5
1945	126	36.1	24.4
1944	117	38.1	25.5
1943	109	41.0	24.6
1942	121	37.6	23.8
1941	42	45.0	30.8
1940	36	45.5	31.1
1939	70	42.7	29.4
1938	78	42.2	29.2
1937	94	40.1	28.2
1936	41	45.7	30.2
1935	131	34.9	23.7
1934	104	40.6	26.1
1933	113	39.7	24.8
1932	48	45.7	29.5
1931	14	48.6	32.5
1930	98	40.0	27.4
1929	88	42.2	27.8
1928	38	45.7	30.7
1927	59	44.7	28.8
1926	135	35.9	21.8
1925	92	40.6	28.2
1924	90	42.4	27.0
1923	5	48.4	35.5
1922	108	39.5	26.2
1921	106	40.8	25.1
1920	52	44.1	30.6
1919	134	36.0	21.8
1918	35	45.2	31.6
1917	138	31.6	17.8
1916	115	38.1	26.2
1915	111	38.4	26.5
1914	124	36.4	24.7
1913	37	45.4	31.2
1912	50	47.2	27.6
1911	11	49.5	32.3
1910	136	37.2	20.3
1909	91	41.8	27.3
1908	55	44.4	29.6
1907	25	46.5	31.9
1906	74	44.3	27.3
1905	21	47.5	31.6
1904	119	38.2	24.2
1903	101	40.3	26.8
1902	82	43.3	27.8
1901	76	43.1	28.3
1900	58	43.8	29.8
1899	31	46.2	31.0
1898	85	42.1	28.8
1896	68	43.6	28.6
1895	16	48.1	32.5
1894	49	44.6	30.3
1893	80	41.8	29.5
1892	99	40.0	27.3
1891	2	51.8	33.2
1887	46	44.8	30.7
1877	7	48.6	34.6
1875	69	41.6	30.5
1874	63	43.2	29.7
1872	130	35.9	22.9
1870	65	42.5	30.2
1868	118	36.5	26.6

Weather Station Details

Years	Station	Coordinates
1999–2024	Trenton Mercer County Airport	location
1977–1998	Trenton State College	location
1913–1976	Trenton	location
1865–1913	Trenton 2	location