Trenton, NJ: January

31 January 2026: January 2026 averaged 27.3°F in Trenton, NJ, the coldest January since 2014, 20th coldest of 126.

January 2026

Mean temperature: 27.3°F; Coldest since 2014; 20th coldest of 126
Precipitation: 2.59 in; Driest since 2025; 52nd driest of 144

A normal January in Trenton, NJ (1991 to 2020): a mean temperature of 31.9°F, between 26.1°F and 37.3°F in eight years of ten and 3.24 in of precipitation, between 1.92 in and 5.02 in in eight years of ten.

The mean temperature of every January in Trenton, NJ since 1881: 27.3°F in 2026; the lowest is 20.4°F, in 1918.

Normal range, 26.1 to 37.3°F

Every year, ranked, as a table

Every January in Trenton, NJ from 1866 to 2026, 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
2026	27.3	107	34.7	115	19.9	116	2.59	93	0
2025	27.9	103	34.9	112	20.9	111	0.83	141	0
2024	34	41	40.7	54	27.3	38	5.87	8	0
2023	40.5	4	48	6	33.1	5	3.60	46	0
2022	27.9	103	36.6	97	19.1	121	3.38	55	0
2021	33.2	48	40.1	62	26.3	46	1.63	131	0
2020	36.8	18	45	18	28.6	29	2.23	112	0
2019	31.8	65	39.8	67	23.8	76	3.71	44	0
2018	30.6	78	39.7	69	21.6	102	2.80	81	0
2017	36.4	21	42.6	35	30.1	16	3.49	49	0
2016	31.4	70	40.5	57	22.4	90	3.46	53	0
2015	28.1	101	35.6	106	20.5	113	4.94	18	0
2014	26.1	110	35.5	109	16.6	127	3.11	73	0
2013	34.1	39	41.5	46	26.8	45	2.78	83	0
2012	38.2	12	46.8	11	29.6	19	3.47	51	0
2011	28.2	100	35.2	111	21.3	105	3.75	43	0
2010	32.5	54	39.9	65	25.1	60	2.33	105	0
2009	27.2	108	34.1	120	20.4	114	2.55	95	0
2008	34.9	30	43	31	26.9	44	1.63	131	0
2007	36.8	18	44.5	19	29	24	3.24	65	0
2006	38.8	11	47.8	7	29.7	18	4.84	20	0
2005	30.2	83	37.4	92	22.9	84	4.01	39	0
2004	23.9	120	30.6	132	17.1	123	1.94	121	0
2003	26	111	32.5	124	19.5	118	1.69	128	0
2002	37.2	16	45.3	17	29.2	21	2.68	89	0
2001	30.2	83	38.1	83	22.3	92	3.15	70	0
2000	30.6	78	38.7	77	22.4	90	3.23	66	0
1999	31.9	63	40.4	58	23.4	82	6.59	6	0
1998	39.2	9	46.9	10	31.5	9	4.20	34	0
1997	30.5	81	38.5	80	22.6	86	3.34	59	0
1996	29.2	89	36.8	96	21.6	102	6.84	3	0
1995	36	23	43.4	29	28.7	27	2.69	88	0
1994	24	119	32.4	126	15.5	129	5.70	10	0
1993	35.3	29	43.6	26	27	43	2.37	103	0
1992	33.2	48	42.8	34	23.6	78	1.77	125	0
1991	32.3	56	42.2	41	22.5	88	4.14	36	0
1990	39.1	10	47.5	8	30.7	12	4.31	29	0
1989	34.9	30	43.6	26	26.2	47	1.67	130	0
1988	25.8	113	34.8	113	16.8	124	2.47	97	0
1987	29.2	89	36.2	100	22.2	93	5.00	17	0
1986	30.7	77	40.6	56	20.8	112	4.24	33	0
1985	23.4	122	32	128	14.7	132	1.33	137	0
1984	23.3	123	32.1	127	14.6	133	2.11	115	0
1983	33.2	48	41.6	45	24.7	64	3.80	42	0
1982	25	117	33.9	122	16.2	128	5.60	11	0
1981	26	111	32.5	124	19.6	117	0.35	143	0
1980	32.9	52	38.6	78	27.2	39	1.99	119	0
1979	32.1	59	38.9	75	25.3	59	8.99	1	0
1978	28.3	98	34.7	115	21.9	97	6.61	5	0
1977	21.7	125	28.6	136	14.8	131	2.32	106	0
1976	28.6	95	36	101	21.3	105	4.07	38	0
1975	37.1	17	43.9	22	30.4	15	4.36	25	0
1974	35.6	24	42.3	39	28.8	26	3.29	61	0
1973	34.9	30	42.2	41	27.6	33	3.86	41	0
1972	35.5	27	42.4	38	28.7	27	2.26	110	0
1971	28.1	101	34.1	120	22.1	95	2.61	92	0
1970	25.5	115	31.7	130	19.2	120	0.91	140	0
1969	31.3	71	37.1	93	25.5	55	2.38	102	0
1968	28.3	98	34.8	113	21.7	99	2.29	108	0
1967	37.7	14	44.4	20	31	11	1.47	134	0
1966	29.9	86	36	101	23.8	76	3.39	54	0
1965	28.9	93	35.8	103	21.9	97	2.86	78	0
1964	34.8	34	42.2	41	27.5	34	3.47	51	0
1963	29	91	35.8	103	22.2	93	2.36	104	0
1962	31.5	69	39.2	74	23.9	74	2.49	96	0
1961	26.4	109	32.7	123	20.1	115	2.80	81	0
1960	34.6	35	40.3	61	28.9	25	3.30	60	0
1959	31.6	68	39.4	73	23.9	74	2.05	116	0
1958	31.7	66	37.9	87	25.5	55	3.66	45	0
1957	28.8	94	35.8	103	21.7	99	1.87	123	0
1956	32	62	38	86	26.1	49	2.43	98	0
1955	30.6	78	36.5	99	24.7	64	0.52	142	0
1954	30.9	76	38.6	78	23.1	83	1.68	129	0
1953	37.4	15	44	21	30.7	12	4.89	19	0
1952	36.4	21	43.7	24	29.1	22	4.34	27	0
1951	35.6	24	43	31	28.2	30	3.13	71	0
1950	42.3	2	50.4	1	34.2	3	1.83	124	0
1949	39.3	8	46.2	14	32.4	7	5.40	13	0
1948	25.5	115	31.7	130	19.3	119	4.56	23	0
1947	38.1	13	45.6	16	30.6	14	3.04	76	0
1946	33.7	44	41.2	50	26.2	47	1.37	135	0
1945	24.9	118	31.9	129	18	122	2.28	109	0
1944	33.9	42	40.4	58	27.4	36	3.18	69	0
1943	31	74	37	94	25	61	2.56	94	0
1942	30.3	82	37.9	87	22.6	86	2.82	80	0
1941	29.6	87	35.6	106	23.5	81	3.49	49	0
1940	23.6	121	30.3	134	16.8	124	1.52	133	0
1939	31.9	63	38.2	82	25.6	53	3.89	40	0
1938	32.1	59	38.9	75	25.4	58	2.83	79	0
1937	39.7	5	46.2	14	33.2	4	5.43	12	0
1936	27.8	105	34.6	118	21	110	6.00	7	0
1935	29	91	36.6	97	21.3	105	3.27	64	0
1934	34.2	38	41.3	49	27.2	39	3.37	57	0
1933	39.6	7	46.8	11	32.4	7	1.93	122	0
1932	43.4	1	50.3	2	36.5	1	4.18	35	0
1931	33.3	47	40.7	54	25.8	51	2.15	113	0
1930	33	51	40.4	58	25.6	53	2.73	84	0
1929	31.7	66	39.8	67	23.6	78	3.06	75	0
1928	33.6	45	42.2	41	25	61	1.74	126	0
1927	30.1	85	37.7	89	22.5	88	2.02	117	0
1926	32.3	56	39.9	65	24.6	68	2.25	111	0
1925	29.4	88	36.9	95	22	96	4.31	29	0
1924	32.7	53	41.2	50	24.1	72	4.71	21	0
1923	31	74	37.5	90	24.6	68	4.13	37	0
1922	28.5	96	35.5	109	21.4	104	2.41	99	0
1921	33.5	46	41.4	47	25.5	55	2.41	99	0
1920	23.3	123	29.8	135	16.7	126	2.40	101	0
1919	34.9	30	42.3	39	27.4	36	3.28	62	0
1918	20.4	126	26.9	137	13.9	134	3.00	77	0
1917	32.4	55	40	63	24.7	64	3.10	74	0
1916	35.5	27	43.2	30	27.8	32	1.26	139	0
1915	34.1	39	41	52	27.1	42	5.15	14	0
1914	32.2	58	39.7	69	24.6	68	2.72	86	0
1913	40.8	3	50.3	2	31.3	10	3.12	72	0
1912	25.6	114	34.7	115	15.1	130			3
1911			43.5	28	25.7	52	3.20	67	5
1909	35.6	24	43.7	24	27.5	34	3.28	62	0
1908	34.3	36	42.6	35	26	50	4.30	31	0
1907	33.9	42	42.9	33	25	61	4.30	31	0
1906	39.7	5	47	9	32.5	6			0
1905	31.3	71	38.5	80	24.1	72	2.68	89	0
1904	28.4	97	35.6	106	21.1	109	2.73	84	0
1903	34.3	36	41.4	47	27.2	39	2.30	107	0
1902	31.3	71	38.1	83	24.7	64	3.36	58	2
1901							1.97	120	10
1900							4.35	26	8
1899							4.33	28	11
1898									10
1897									11
1896	32.1	59	39.6	72	24.5	71	1.32	138	3
1895			38.1	83	23.6	78			6
1894	36.7	20	43.8	23	30	17			2
1893							2.01	118	7
1892			40	63					8
1891			42.6	35	29.1	22	6.73	4	5
1890			50.3	2			2.62	91	8
1889			46.4	13			4.40	24	7
1888							5.08	15	11
1881	27.6	106	34.4	119	21.2	108	3.52	48	2
1880			48.1	5	34.4	2	3.58	47	5
1879			37.5	90	22.8	85	2.70	87	6
1878			41	52	28.2	30	7.55	2	6
1877									8
1876							0.22	144	8
1875							3.38	55	8
1874							5.04	16	10
1873							4.66	22	13
1872							1.71	127	12
1871									11
1870							5.77	9	7
1869			39.7	69	29.5	20	2.12	114	4
1868							3.20	67	10
1867			30.6	132	21.7	99			4
1866							1.35	136	10

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1932	43.4
1950	42.3
1913	40.8
2023	40.5
1937	39.7
1906	39.7
1933	39.6
1949	39.3
1998	39.2
1990	39.1

Coldest
Year	Mean, °F
1918	20.4
1977	21.7
1984	23.3
1920	23.3
1985	23.4
1940	23.6
2004	23.9
1994	24
1945	24.9
1982	25

Wettest
Year	Precipitation, in
1979	8.99
1878	7.55
1996	6.84
1891	6.73
1978	6.61
1999	6.59
1936	6.00
2024	5.87
1870	5.77
1994	5.70

Driest
Year	Precipitation, in
1876	0.22
1981	0.35
1955	0.52
2025	0.83
1970	0.91
1916	1.26
1896	1.32
1985	1.33
1866	1.35
1946	1.37

The hottest, coldest and wettest days

Hottest day: 54°F; 14 January 2026
Coldest night: -1°F; 21 January 2026
Wettest day: 1.23 in; 25 January 2026

Every month, season and year

Months

Seasons

Years

Trenton, NJ the day's answers

All-time records

Every answer in words

January 2026 brought 2.59 in of precipitation in Trenton, NJ, the driest January since 2025, 52nd driest of 144.
The hottest day of January 2026 in Trenton, NJ: 54°F on Wednesday 14 January 2026.
The coldest night of January 2026 in Trenton, NJ: a low of -1°F on Wednesday 21 January 2026.
The wettest day of January 2026 in Trenton, NJ: 1.23 in on Sunday 25 January 2026.