New Jersey climate

World Climates covers 2 places in New Jersey. By annual mean temperature, the warmest is Atlantic City (13 °C55 °F) and the coolest is Paterson (11 °C52 °F). The wettest is Paterson with 1,240 mm49 in of precipitation per year, the driest Atlantic City with 1,203 mm47 in.

The most common climate types (Köppen classification computed from these averages) are hot-summer humid continental (Dfa, 1 place) and humid subtropical (Cfa, 1 place).

The highest monthly average high is in Paterson (30 °C86 °F in July); the lowest monthly average low is in Paterson (−6 °C20 °F in January).

Temperature and rainfall across New Jersey

Annual mean temperatures in New Jersey range from 11 °C52 °F to 13 °C55 °F. The typical place (the median of all 2) has a year average of 12 °C54 °F. Annual precipitation ranges from 1,203 mm47 in to 1,240 mm49 in. The median place receives about 1,222 mm48 in in an average year.

In 2 places of 2, the coldest month has an average low below 0 °C (32 °F). In 1 place, the warmest month has an average high above 30 °C (86 °F). No place here gets less than 250 mm (10 in) of precipitation a year. None gets more than 2,000 mm (79 in) a year.

Averaged over all 2 places, July is the warmest month, with a mean of 24 °C76 °F. January is the coldest, with 0 °C32 °F. The wettest month on average is October (119 mm4.7 in). The driest is January (79 mm3.1 in). Single places can differ a lot from this average, so check the page of each city.

The table below lists the places sorted by population. The largest ones covered here are Paterson and Atlantic City. Each city page has a chart and a table for every month. It also shows the best time to visit and what to pack. The figures are 25-year averages for 2001–2025 from NASA POWER. They describe grid cells of roughly 50–70 km, not single weather stations.

Climate of each place in New Jersey

Paterson has a hot-summer humid continental climate (Köppen Dfa). Its year average is 11 °C52 °F. The warmest month is July, with an average high of 30 °C86 °F. The coldest is January, with an average low of −6 °C20 °F. About 1,240 mm49 in of precipitation falls in a year. October is the wettest month and February the driest. By our comfort score, the best months to visit are May and September.

Atlantic City has a humid subtropical climate (Köppen Cfa). Its year average is 13 °C55 °F. The warmest month is July, with an average high of 27 °C80 °F. The coldest is January, with an average low of −1 °C30 °F. About 1,203 mm47 in of precipitation falls in a year. December is the wettest month and January the driest. By our comfort score, the best months to visit are June and September.

Frequently asked questions

Which is the warmest place in New Jersey?

By annual mean temperature, the warmest place in New Jersey is Atlantic City at 13 °C55 °F. The coolest is Paterson at 11 °C52 °F.

Where does it rain the most in New Jersey?

Paterson gets the most precipitation, 1,240 mm49 in in an average year. The driest place is Atlantic City with 1,203 mm47 in.

How many places in New Jersey does this site cover?

World Climates has climate data for 2 places in New Jersey. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.