Jersey City, NJ Climate & Monthly Averages
The climate of Jersey City
Weather in Jersey City is shaped by its humid subtropical climate - expect hot, humid summers and generally mild winters. July afternoons typically reach 85°F (30°C), while January highs hover near 40°F (4°C). Annual precipitation averages 51.1 inches (1299 mm) over about 128 rainy days.
Climate quick facts
- Hottest month: July - highs near 85°F (30°C)
- Coldest month: January - highs near 40°F (4°C)
- Record high: 100°F (38°C) · Record low: -8°F (-22°C) (2015–2024)
- Wettest month: July (13 rainy days) · Sunniest: July (11.6 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
- Snow: about 10 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 85°F (30°C) and overnight lows stay near 69°F (21°C). The coolest month is January, with typical highs of 40°F (4°C) and lows around 26°F (-3°C). Based on 2015–2024 weather data, temperatures have reached as high as 100°F (38°C) and dropped as low as -8°F (-22°C).
Rain, sun and snow
July is usually the wettest month. It brings about 5.5 inches (140 mm) of rain over 13 days, while November is the driest. July brings the most sunshine, averaging 11.6 hours of sun a day. Snow falls on about 10 days in a typical year, mostly from December through March.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 40° | 26° | 10 | 3.9 in | 6.1 h/day | 67% |
| February | 43° | 26° | 10 | 3.6 in | 6.9 h/day | 69% |
| March | 50° | 33° | 10 | 4.5 in | 8.2 h/day | 66% |
| April | 60° | 42° | 12 | 4.2 in | 8.8 h/day | 67% |
| May | 70° | 53° | 12 | 3.7 in | 9.9 h/day | 71% |
| June | 79° | 62° | 11 | 3.9 in | 11.1 h/day | 71% |
| July | 85° | 69° | 13 | 5.5 in | 11.6 h/day | 73% |
| August | 83° | 68° | 12 | 4.5 in | 10.9 h/day | 74% |
| September | 77° | 62° | 10 | 4.7 in | 9.1 h/day | 75% |
| October | 66° | 51° | 9 | 4.9 in | 7.8 h/day | 74% |
| November | 54° | 39° | 9 | 3.0 in | 7.1 h/day | 70% |
| December | 45° | 32° | 11 | 4.5 in | 5.6 h/day | 73% |
Jersey City month by month
Jersey City weather in January
January brings highs around 40°F (4°C), lows near 26°F (-3°C), about 10 wet days and roughly 3 snowy days - typically the coldest month of the year in Jersey City.
Jersey City weather in February
February brings highs around 43°F (6°C), lows near 26°F (-3°C), about 10 wet days and roughly 3 snowy days.
Jersey City weather in March
March brings highs around 50°F (10°C), lows near 33°F (0°C), about 10 wet days and roughly 2 snowy days.
Jersey City weather in April
April brings highs around 60°F (16°C), lows near 42°F (6°C), about 12 wet days.
Jersey City weather in May
May brings highs around 70°F (21°C), lows near 53°F (12°C), about 12 wet days.
Jersey City weather in June
June brings highs around 79°F (26°C), lows near 62°F (17°C), about 11 wet days.
Jersey City weather in July
July brings highs around 85°F (30°C), lows near 69°F (21°C), about 13 wet days - typically the hottest month and the wettest month and the sunniest month of the year in Jersey City.
Jersey City weather in August
August brings highs around 83°F (28°C), lows near 68°F (20°C), about 12 wet days.
Jersey City weather in September
September brings highs around 77°F (25°C), lows near 62°F (16°C), about 10 wet days.
Jersey City weather in October
October brings highs around 66°F (19°C), lows near 51°F (11°C), about 9 wet days.
Jersey City weather in November
November brings highs around 54°F (12°C), lows near 39°F (4°C), about 9 wet days - typically the driest month of the year in Jersey City.
Jersey City weather in December
December brings highs around 45°F (7°C), lows near 32°F (0°C), about 11 wet days and roughly 2 snowy days.
Seasons in Jersey City
Spring (March through May)
Spring in Jersey City is crisp but comfortable, with daytime highs averaging 60°F (16°C) and nights around 43°F (6°C); expect showers on roughly 34 days across the season, plus around 3 snowy days.
Summer (June through August)
Summer in Jersey City runs hot, with daytime highs averaging 83°F (28°C) and nights around 67°F (19°C); expect showers on roughly 36 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
Fall (September through November)
Fall in Jersey City is mild, with daytime highs averaging 66°F (19°C) and nights around 51°F (10°C); expect showers on roughly 27 days across the season.
Winter (December through February)
Winter in Jersey City is chilly, with daytime highs averaging 42°F (6°C) and nights around 28°F (-2°C); expect showers on roughly 30 days across the season, plus around 8 snowy days.
Climate questions, answered
What is the average temperature in Jersey City?
Is Jersey City hot in summer?
Is Jersey City cold in winter?
How many rainy days does Jersey City get in a year?
Best time to visit Jersey City
The best time to visit Jersey City is generally May to June and September to October, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 73°F (23°C).
Pack for Jersey City with a heavy insulated coat, hat and gloves for winter; a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - July nights average 69°F (21°C).
Jersey City temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.