New Jersey January Weather

New Jersey weather averages and all-time records in the month of January from 1991–2020 based on data made available by the NOAA.

State:

Month:

New Jersey Cities

January weather averages for various places in New Jersey, from 1991–2020.

City	Average (°F)		Record (°F)		Monthly (inches)
City	High	Low	High	Low	Precipitation	Snow
Atlantic City	42.9	24.8	78	-10	3.4	5.6
Boonton	38.5	21.0	71	-15	3.4	5.7
Cape May	43.3	28.5	73	-2	3.2	4.5
Flemington	37.8	20.6	74	-18	3.9	7.3
Hightstown	40.5	22.5	73	-16	3.4	5.8
Millville	42.8	24.2	74	-10	3.0	n/a
New Brunswick	40.3	22.6	73	-15	3.7	8.2
Newark	40.3	25.8	74	-10	3.4	9.1
Trenton	40.0	24.1	73	-16	3.4	7.9