Trenton, NJ: December

31 December 2025: December 2025 averaged 31°F in Trenton, NJ, the coldest December since 2000, 20th coldest of 131.

December 2025

Mean temperature: 31°F; Coldest since 2000; 20th coldest of 131
Precipitation: 3.38 in; Driest since 2021; 76th driest of 152

A normal December in Trenton, NJ (1991 to 2020): a mean temperature of 36.3°F, between 32.4°F and 41.3°F in eight years of ten and 4.04 in of precipitation, between 2.38 in and 5.60 in in eight years of ten.

The mean temperature of every December in Trenton, NJ since 1877: 31°F in 2025; the lowest is 23.1°F, in 1989.

Normal range, 32.4 to 41.3°F

Every year, ranked, as a table

Every December in Trenton, NJ from 1865 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	31	112	38.8	121	23.1	132	3.38	77	0
2024	35	81	43	81	27	103	3.91	57	0
2023	40.8	11	48.1	19	33.6	9	7.53	5	0
2022	34.9	83	43.2	78	26.6	104	3.89	61	0
2021	41.5	8	48.8	12	34.1	7	1.24	139	0
2020	36	63	44.1	61	27.9	85	4.07	52	0
2019	36.2	62	43.6	67	28.8	73	5.11	27	0
2018	39.1	26	46.5	26	31.6	30	5.28	23	0
2017	33.6	94	40.8	99	26.4	109	1.88	120	0
2016	36.5	58	44	63	29.1	69	2.98	90	0
2015	49.1	1	56.5	1	41.6	1	4.41	44	0
2014	39	28	45.4	41	32.6	17	4.18	49	0
2013	35.7	68	43.5	73	28	83	4.64	36	0
2012	40.5	13	47.6	21	33.5	10	4.15	51	0
2011	42.3	3	51.6	4	33.1	13	4.42	42	0
2010	32.2	107	39	118	25.3	115	3.65	68	0
2009	35.7	68	42.7	84	28.7	75	7.30	6	0
2008	37	52	45.2	45	28.9	71	5.54	19	0
2007	35.9	65	42.2	88	29.6	60	5.00	28	0
2006	41.8	6	50.5	5	33	15	2.32	116	0
2005	32.5	103	39.9	113	25.2	116	3.11	83	0
2004	35.6	74	43.6	67	27.6	92	3.70	67	0
2003	35.6	74	43.1	80	28.1	82	6.15	11	0
2002	32.4	105	40	111	24.7	119	3.90	59	0
2001	41.3	9	50.3	6	32.2	24	2.39	110	0
2000	27.9	129	35.8	139	20	142	2.84	95	0
1999	37.4	48	45.1	48	29.7	59	3.21	81	0
1998	39.1	26	48	20	30.3	50	0.94	146	0
1997	36.3	61	44.1	61	28.5	77	4.16	50	0
1996	38.9	29	46	30	31.9	25	9.49	1	0
1995	30.6	116	37.4	129	23.9	126	2.81	99	0
1994	39.4	21	49.5	8	29.2	67	2.92	92	0
1993	34.4	85	43.4	75	25.4	114	4.01	53	0
1992	35.9	65	44	63	27.8	86	4.52	39	0
1991	37.1	51	46.4	28	27.7	90	3.71	66	0
1990	39.9	17	50	7	29.9	56	5.97	13	0
1989	23.1	131	31.6	144	14.7	144	0.67	150	0
1988	33.3	98	42.2	88	24.3	124	0.83	147	0
1987	38	40	46.7	25	29.3	66	1.68	130	0
1986	35.4	77	43.6	67	27.2	97	8.30	2	0
1985	30	120	39	118	20.9	140	1.06	144	0
1984	40	16	49.2	10	30.9	40	2.84	95	0
1983	30.7	113	38.9	120	22.5	133	7.54	3	0
1982	40.7	12	49	11	32.3	23	2.55	105	0
1981	35.7	68	43.6	67	27.8	86	4.42	42	0
1980	32.5	103	40.3	106	24.7	119	0.58	151	0
1979	39.4	21	45.8	33	33	15	1.64	132	0
1978	38.2	38	45.4	41	31	38	5.67	17	0
1977	34.3	87	40.6	101	28	83	5.56	18	0
1976	30.7	113	37.9	127	23.5	131	1.81	124	0
1975	36.7	57	43.6	67	29.8	57	2.77	100	0
1974	39.4	21	45.5	39	33.3	12	5.19	24	0
1973	38.9	29	46	30	31.7	29	6.97	7	0
1972	39.9	17	44.9	51	34.9	5	4.82	33	0
1971	42.1	4	48.7	13	35.5	3	1.24	139	0
1970	35.5	76	40.5	103	30.5	46	2.73	102	0
1969	33.5	95	38.6	122	28.3	78	6.86	8	0
1968	33.7	92	40.3	106	27.1	99	3.07	86	0
1967	38.5	32	44.4	55	32.6	17	5.83	15	0
1966	36.4	60	42.8	83	30.1	54	4.28	45	0
1965	38.5	32	45.1	48	31.9	25	1.79	126	0
1964	36.8	55	43.3	76	30.3	50	4.63	38	0
1963	29.4	121	34.9	141	23.9	126	1.96	119	0
1962	30.4	118	36.8	132	24.1	125	2.83	98	0
1961	33.9	89	40.1	109	27.7	90	3.39	76	0
1960	29.2	124	37	131	21.4	139	3.47	73	0
1959	37.8	44	44.4	55	31.3	34	3.58	69	0
1958	29.1	125	36.2	135	22	136	1.16	142	0
1957	39.2	24	45.3	44	33.1	13	4.70	35	0
1956	41.2	10	48.5	15	33.9	8	3.22	80	0
1955	29.4	121	36.3	134	22.5	133	0.19	152	0
1954	35.2	80	41.5	96	28.9	71	2.50	107	0
1953	39.8	19	47.2	23	32.4	21	3.80	65	0
1952	37.7	45	43.7	65	31.6	30	3.25	78	0
1951	38	40	45.7	35	30.3	50	5.15	25	0
1950	33.4	96	39.8	114	27.1	99	2.38	111	0
1949	38.4	34	45.8	33	31	38	2.45	108	0
1948	37	52	43.6	67	30.4	48	6.08	12	0
1947	33.9	89	40.5	103	27.3	96	1.88	120	0
1946	37.7	45	46	30	29.5	62	2.36	114	0
1945	30.3	119	36.1	136	24.5	122	3.85	64	0
1944	31.8	110	38.1	125	25.5	113	2.55	105	0
1943	32.8	102	41	98	24.5	122	1.03	145	0
1942	30.7	113	37.6	128	23.8	128	4.27	46	0
1941	37.9	42	45	50	30.8	41	3.08	84	0
1940	38.3	36	45.5	39	31.1	37	3.02	88	0
1939	36	63	42.7	84	29.4	65	1.49	135	0
1938	35.7	68	42.2	88	29.2	67	2.11	117	0
1937	34.1	88	40.1	109	28.2	79	1.14	143	0
1936	37.9	42	45.6	38	30.2	53	5.44	20	0
1935	29.3	123	34.9	141	23.7	130	1.40	137	0
1934	33.3	98	40.5	103	26.1	112	2.37	113	0
1933	32.2	107	39.7	115	24.8	118	2.62	103	0
1932	37.6	47	45.7	35	29.5	62	3.05	87	0
1931	40.5	13	48.5	15	32.5	19	2.36	114	0
1930	33.7	92	40	111	27.4	94	2.38	111	0
1929	35	81	42.2	88	27.8	86	3.08	84	0
1928	38.2	38	45.7	35	30.7	43	1.19	141	0
1927	36.8	55	44.7	53	28.8	73	5.36	21	0
1926	28.9	126	35.9	138	21.8	137	3.00	89	0
1925	34.4	85	40.6	101	28.2	79	1.65	131	0
1924	34.7	84	42.4	86	27.1	99	2.60	104	0
1923	41.9	5	48.4	17	35.5	3	3.94	56	0
1922	32.9	101	39.5	117	26.3	110	3.46	74	0
1921	33	100	40.8	99	25.1	117	1.85	123	0
1920	37.4	48	44.2	60	30.6	45	4.25	47	0
1919	28.9	126	36	137	21.8	137	2.94	91	0
1918	38.4	34	45.2	45	31.6	30	3.86	62	0
1917	24.7	130	31.6	144	17.8	143	1.55	133	0
1916	32.2	107	38.1	125	26.2	111	4.87	30	0
1915	32.4	105	38.4	123	26.5	108	4.44	41	0
1914	30.5	117	36.4	133	24.7	119	4.64	36	0
1913	38.3	36	45.4	41	31.2	36	2.44	109	0
1912	37.4	48	47.2	23	27.6	92	4.23	48	0
1911	40.5	13	49.5	8	32.4	21	3.40	75	2
1910	28.4	128	37.2	130	20.1	141	1.81	124	1
1909	33.9	89	41.8	93	27.1	99	3.90	59	3
1908	37	52	44.4	55	29.6	60	3.53	70	0
1907	39.2	24	46.5	26	31.9	25	4.81	34	0
1906	35.8	67	44.3	58	27.4	94	4.89	29	0
1905	39.5	20	47.5	22	31.6	30	3.23	79	0
1904	31.2	111	38.3	124	23.8	128			2
1903	33.4	96	40.2	108	26.6	104	3.20	82	2
1902	35.4	77	43.3	76	27.8	86	4.86	31	2
1901	35.7	68	43	81	28.2	79	7.54	3	2
1900			43.5	73	29.8	57	1.47	136	6
1899	38.8	31	46.4	28	31.3	34	1.86	122	3
1898	35.7	68	42.1	92	29	70	3.86	62	3
1897							3.95	54	9
1896	36.5	58	43.7	65	28.6	76	1.73	128	2
1895			48.2	18			1.39	138	6
1894			44.6	54	30.5	46	4.52	39	6
1893	35.3	79	41.8	93	29.5	62	3.50	72	1
1892			39.6	116	27.2	97			4
1891	42.7	2	52.1	3	33.4	11	3.52	71	2
1890							3.95	54	10
1889			52.6	2			2.09	118	7
1888			44.3	58			3.91	57	7
1887			44.9	51	30.8	41	6.33	10	5
1885					26.6	104			31
1884					37.1	2			31
1883					31.8	28			31
1882					32.5	19			31
1880							2.89	94	10
1879							6.57	9	9
1878							5.85	14	11
1877	41.6	7	48.6	14	34.6	6	2.90	93	0
1876							1.55	133	9
1875			41.5	96	30.7	43	2.77	100	4
1874			43.2	78	30	55	1.72	129	5
1873			45.2	45			1.79	126	7
1872			34.9	141	22.2	135	0.77	148	6
1871							2.84	95	14
1870			42.3	87	30.4	48	0.70	149	6
1869			41.7	95			5.82	16	9
1868			35.5	140	26.6	104	5.13	26	5
1867									19
1866							5.33	22	15
1865							4.86	31	13

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2015	49.1
1891	42.7
2011	42.3
1971	42.1
1923	41.9
2006	41.8
1877	41.6
2021	41.5
2001	41.3
1956	41.2

Coldest
Year	Mean, °F
1989	23.1
1917	24.7
2000	27.9
1910	28.4
1926	28.9
1919	28.9
1958	29.1
1960	29.2
1935	29.3
1963	29.4
More years share the last value

Wettest
Year	Precipitation, in
1996	9.49
1986	8.30
1983	7.54
1901	7.54
2023	7.53
2009	7.30
1973	6.97
1969	6.86
1879	6.57
1887	6.33

Driest
Year	Precipitation, in
1955	0.19
1980	0.58
1989	0.67
1870	0.70
1872	0.77
1988	0.83
1998	0.94
1943	1.03
1985	1.06
1937	1.14

The hottest, coldest and wettest days

Hottest day: 57°F; 19 December 2025
Coldest night: 11°F; 9 December 2025
Wettest day: 1.26 in; 19 December 2025

Every month, season and year

Months

Seasons

Years

Trenton, NJ the day's answers

All-time records

Every answer in words

December 2025 brought 3.38 in of precipitation in Trenton, NJ, the driest December since 2021, 76th driest of 152.
The hottest day of December 2025 in Trenton, NJ: 57°F on Friday 19 December 2025.
The coldest night of December 2025 in Trenton, NJ: a low of 11°F on Tuesday 9 December 2025.
The wettest day of December 2025 in Trenton, NJ: 1.26 in on Friday 19 December 2025.