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New Jersey Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

New Jersey year round climate

  • Spring (March–May): Average 44–62°F, mild and rainy, with occasional cold snaps. March and April have more rainfall. Common activities: Outdoor walks, flower viewing. Suggested clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 69–78°F, hot and humid, with occasional thunderstorms. July and August are the hottest months, but rainfall is relatively less. Common activities: Beach activities, swimming, camping. Suggested clothing: Light and breathable clothing, sun hat, sunglasses.
  • Autumn (September–November): Average 46–68°F, comfortable and pleasant, with more rainfall in September, gradually turning cooler afterwards. Common activities: Maple leaf viewing, hiking, picking activities. Suggested clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Winter (December–February): Average 35–44°F, cold and humid, with variable snowfall, December has the most rainfall. Common activities: Skiing, ice skating (if there is enough snow). Suggested clothing: Warm coat, sweater, scarf, gloves, hat.

New Jersey climatological average

Annual average temperature: approx. 55.4°F / Annual rainfall: approx. 1102 mm / Summer humidity: 65%–75% / Rainiest month: December

New Jersey monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
35.6°F
119.2
February
37.9°F
62
March
44.6°F
122
April
53.2°F
119
May
62.1°F
75.8
June
70.9°F
70.7
July
78.1°F
56.4
August
75°F
46.8
September
67.6°F
139.8
October
56.7°F
74.6
November
47.1°F
62.3
December
38.7°F
153.7

New Jersey weather for the next seven days

9/23
Wednesday
Patchy rain nearby
67.6°F/60.5°F
9/24
Thursday
Overcast
66.2°F/58.7°F
9/25
Friday
Overcast
67.5°F/55.5°F
9/26
Saturday
Sunny
74.3°F/54.6°F
9/27
Sunday
Overcast
72.4°F/54.6°F
9/28
Monday
Sunny
74.4°F/56.5°F
9/29
Tuesday
Overcast
71.2°F/61.1°F