New Jersey has a humid, continental climate typical of the American northeast. This translates into hot, humid summers and cold winters, with a steady amount of precipitation throughout the year. There are four distinct seasons and each has its own merits and tourist draws. Depending on where you plan to travel, each region has a high period.
Summers are reliably hot and humid all over the state. From the river valley to the coast, the daytime highs range from 82 to 86°F between June and August, with nightly lows in the 60s°F. There are about 25 days each summer when the mercury tops the 90°F mark, but the coast usually offers decent breezes to temper the heat. The northwestern corner of the state experiences slightly cooler weather overall.
Winters in New Jersey are cold, averaging between 38 and 46°F from December through February. There are plenty of icy days when the temperature drops below freezing, and snow can fall at any time. Huge storms called northeasters bring blizzard conditions when they hit. Spring and fall are a mixed bag, with wide fluctuations in temperature and precipitation.
Best Time to Visit New Jersey
For a seaside holiday, there’s no better time to visit New Jersey than the height of summer. It will certainly be busier and pricier along the Shore, but you'll want that hot weather to warm up the chilly water. For exploring the superb state parks like the Pine Barrens and Delaware Water Gap, the best season is fall. From late September until the end of October, the daytime highs hover in the 60s and 70s°F, and the skies are often clear blue and sunny. When the trees turn colors, the crowds pour in. If you want to find any deals on hotel rooms, you'll need to visit in the quiet months from November through April. Few people come at this time (even to Atlantic City) so good room rates are often available.