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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 7–17°C, 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 21–26°C, 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 8–20°C, 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 2–7°C, 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. 13°C / Annual rainfall: approx. 1102 mm / Summer humidity: 65%–75% / Rainiest month: December
New Jersey monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
2°C
119.2
February
3.3°C
62
March
7°C
122
April
11.8°C
119
May
16.7°C
75.8
June
21.6°C
70.7
July
25.6°C
56.4
August
23.9°C
46.8
September
19.8°C
139.8
October
13.7°C
74.6
November
8.4°C
62.3
December
3.7°C
153.7
New Jersey weather for the next seven days
6/20
Saturday
Sunny
31.7°C/16.5°C
6/21
Sunday
Sunny
29.1°C/16.5°C
6/22
Monday
Patchy rain nearby
25.2°C/18.6°C
6/23
Tuesday
Heavy rain
19.7°C/16.7°C
6/24
Wednesday
Sunny
28.5°C/15.3°C
6/25
Thursday
Sunny
28.3°C/16.9°C
6/26
Friday
Patchy rain nearby
24.3°C/18.1°C
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