Average July 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 July each year between 1893 and 2023. It is based on NOAA data.

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What Was the Hottest July Ever in Trenton?

2011 was the warmest July in the history of Trenton, New Jersey. The average daily high temperature was 91.9 °F, and the average low was 70.0 °F.

What Was the Coldest July Ever in Trenton?

1996 was the coolest July in the history of Trenton, New Jersey. The average daily high temperature was 80.0 °F, and the average low was 62.8 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	31	86.7	67.8
2022	8	89.0	68.8
2021	70	84.8	66.5
2020	5	89.4	69.7
2019	21	87.8	68.3
2018	29	87.2	67.5
2017	51	85.2	67.6
2016	15	87.7	69.1
2015	49	85.6	67.4
2014	84	84.5	65.4
2013	20	86.2	70.1
2012	12	88.9	68.2
2011	1	91.9	70.0
2010	3	91.4	69.6
2009	115	83.1	63.5
2008	32	87.4	67.0
2007	96	83.8	65.1
2006	23	87.3	68.5
2005	41	85.6	68.3
2004	99	83.5	64.9
2003	88	84.4	65.3
2002	30	88.4	66.3
2001	128	82.2	61.4
2000	129	80.9	62.4
1999	4	91.6	67.9
1998	87	85.7	64.0
1997	109	85.4	62.5
1996	130	80.0	62.8
1995	47	86.3	67.1
1994	10	89.8	67.9
1993	28	88.9	65.9
1992	111	84.7	63.0
1991	44	88.0	65.5
1990	92	83.5	65.6
1989	123	82.1	63.3
1988	18	89.6	66.9
1987	34	88.6	65.5
1986	106	83.7	64.2
1985	50	88.5	64.5
1984	122	82.5	63.3
1983	9	90.3	67.5
1982	57	86.5	65.6
1981	33	87.2	67.1
1980	36	88.1	65.9
1979	114	82.7	64.0
1978	126	79.9	65.0
1977	73	86.2	65.0
1976	101	83.2	65.2
1975	64	84.5	67.0
1974	75	85.2	65.8
1973	40	86.3	67.5
1972	54	84.4	68.2
1971	79	84.1	66.5
1970	52	84.4	68.3
1969	108	81.5	66.4
1968	46	85.6	67.8
1967	77	83.9	67.0
1966	19	88.4	68.0
1965	89	84.0	65.4
1964	68	84.6	66.8
1963	71	85.8	65.5
1962	121	82.7	63.3
1961	67	84.6	66.9
1960	105	83.2	64.9
1959	58	84.4	67.6
1958	43	84.8	68.8
1957	45	86.8	66.6
1956	124	80.8	64.6
1955	2	90.0	71.0
1954	61	86.3	65.5
1953	56	86.0	66.3
1952	16	88.2	68.6
1951	63	84.7	66.9
1950	100	83.1	65.2
1949	17	87.2	69.5
1948	55	85.2	67.1
1947	80	84.0	66.2
1946	83	84.5	65.5
1945	94	82.1	67.0
1944	25	88.1	67.4
1943	66	84.5	67.0
1942	59	84.7	67.3
1941	86	83.3	66.4
1940	74	85.7	65.4
1939	90	83.8	65.5
1938	60	84.8	67.1
1937	65	85.3	66.2
1936	53	86.6	66.0
1935	37	86.0	67.9
1934	48	86.3	67.0
1933	103	84.0	64.2
1932	91	84.5	64.8
1931	27	86.5	68.4
1930	72	85.7	65.5
1929	93	84.5	64.6
1928	78	84.8	66.0
1927	102	83.1	65.2
1926	107	83.2	64.7
1925	117	82.6	64.0
1924	116	83.0	63.6
1923	119	82.6	63.6
1922	113	82.6	64.2
1921	42	86.1	67.6
1920	120	82.7	63.3
1919	81	83.6	66.6
1918	118	82.9	63.5
1917	82	83.2	67.0
1916	85	83.3	66.5
1915	112	82.6	64.8
1914	127	80.2	63.9
1913	69	86.2	65.2
1912	76	88.0	63.0
1910	11	90.7	66.6
1909	125	83.2	61.8
1908	39	86.9	66.9
1907	104	83.5	64.6
1906	97	83.0	65.7
1905	38	85.3	68.6
1904	110	81.8	65.9
1903	62	84.1	67.6
1902	95	82.8	66.1
1901	13	85.8	71.3
1900	35	86.3	67.8
1899	26	87.7	67.8
1898	14	87.9	69.1
1897	24	85.2	70.3
1896	7	87.1	71.2
1895	98	84.1	64.3
1894	6	89.6	69.1
1893	22	87.8	68.2

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