Jersey City, NJ Climate & Monthly Averages
The climate of Jersey City
A 24°C spread between its warmest and coolest months puts Jersey City among the more strongly seasonal places we cover. July averages 85°F (30°C) by day; January averages 40°F (4°C), with nights at 26°F (-3°C).
Climate quick facts
- Hottest month: July - highs near 85°F (30°C)
- Coldest month: January - highs near 40°F (4°C)
- Decade extremes (2015-2024): 100°F (38°C) high · -8°F (-22°C) low
- Wettest month: July (13 rainy days) · Sunniest: July (11.6 h sun/day)
- Climate type: humid subtropical
- Annual swing: 24°C between the average warmest and coolest month · day to night: 9°C
- Snow: about 10 days a year
- Months with freezing average lows: 3
- Average humidity: 71%
Temperatures through the year
The wettest month is July (5.5 inches (140 mm) across 13 days) and the driest November. January bottoms out at 40°F (4°C) in daylight, 26°F (-3°C) after dark. At its warmest, in July, Jersey City runs to 85°F (30°C) in the afternoon and back to 69°F (21°C) by dawn. Between the average July and the average January lie 24°C, a wider spread than roughly 81% of the cities we track.
Rain, sun and snow
Snow falls on roughly 10 days a year, mostly December through March. The gridded 2015-2024 daily record for this location tops out at 100°F (38°C) and bottoms at -8°F (-22°C) - decade extremes, not all-time station records.
How Jersey City compares
- 29% of the year's precipitation falls in its wettest three months - more evenly spread than all but 9% of the 3496 cities we track.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 40° | 26° | 10 | 3.9 in | 6.1 h/day | 9.6 h | 32% | 67% |
| February | 43° | 26° | 10 | 3.6 in | 6.9 h/day | 10.6 h | 34% | 69% |
| March | 50° | 33° | 10 | 4.5 in | 8.2 h/day | 11.8 h | 33% | 66% |
| April | 60° | 42° | 12 | 4.2 in | 8.8 h/day | 13.2 h | 40% | 67% |
| May | 70° | 53° | 12 | 3.7 in | 9.9 h/day | 14.4 h | 37% | 71% |
| June | 79° | 62° | 11 | 3.9 in | 11.1 h/day | 15.1 h | 35% | 71% |
| July | 85° | 69° | 13 | 5.5 in | 11.6 h/day | 14.8 h | 43% | 73% |
| August | 83° | 68° | 12 | 4.5 in | 10.9 h/day | 13.8 h | 40% | 74% |
| September | 77° | 62° | 10 | 4.7 in | 9.1 h/day | 12.4 h | 32% | 75% |
| October | 66° | 51° | 9 | 4.9 in | 7.8 h/day | 11.0 h | 29% | 74% |
| November | 54° | 39° | 9 | 3.0 in | 7.1 h/day | 9.8 h | 29% | 70% |
| December | 45° | 32° | 11 | 4.5 in | 5.6 h/day | 9.3 h | 35% | 73% |
Jersey City month by month
Average high and low for each month, with the bar showing where it sits in Jersey City's year (left is the coldest night, right is the warmest afternoon).
January
- Rain
- 10 days
- Sunshine
- 6.1 h
- Daylight
- 9.6 h
- Snow
- 3 days
February
- Rain
- 10 days
- Sunshine
- 6.9 h
- Daylight
- 10.6 h
- Snow
- 3 days
March
- Rain
- 10 days
- Sunshine
- 8.2 h
- Daylight
- 11.8 h
- Snow
- 2 days
April
- Rain
- 12 days
- Sunshine
- 8.8 h
- Daylight
- 13.2 h
May
- Rain
- 12 days
- Sunshine
- 9.9 h
- Daylight
- 14.4 h
June
- Rain
- 11 days
- Sunshine
- 11.1 h
- Daylight
- 15.1 h
July
- Rain
- 13 days
- Sunshine
- 11.6 h
- Daylight
- 14.8 h
August
- Rain
- 12 days
- Sunshine
- 10.9 h
- Daylight
- 13.8 h
September
- Rain
- 10 days
- Sunshine
- 9.1 h
- Daylight
- 12.4 h
October
- Rain
- 9 days
- Sunshine
- 7.8 h
- Daylight
- 11.0 h
November
- Rain
- 9 days
- Sunshine
- 7.1 h
- Daylight
- 9.8 h
December
- Rain
- 11 days
- Sunshine
- 5.6 h
- Daylight
- 9.3 h
- Snow
- 2 days
Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December
Seasons in Jersey City
Spring (March through May)
Through spring, Jersey City is crisp but comfortable: 60°F (16°C) by day, 43°F (6°C) after dark, and rain falls on around 34 of the 90 days, plus about 3 snowy days.
Summer (June through August)
Summer runs hot here - highs near 83°F (28°C), nights near 67°F (19°C), and rain falls on around 36 of the 90 days. Daylight is generous - around 11.2 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
Fall (September through November)
Fall is crisp but comfortable here - highs near 66°F (19°C), nights near 51°F (10°C), and 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); rain falls on around 30 of the 90 days, plus about 8 snowy days.
Climate questions, answered
Does it freeze in Jersey City?
Is Jersey City hot in summer?
Is Jersey City cold in winter?
How much sun does Jersey City get?
What should I wear in Jersey City?
How many rainy days does Jersey City get in a year?
Best time to visit Jersey City
May to June and September to October is the sweet spot for Jersey City - warm days, manageable rainfall and plenty of daylight line up. Expect 73°F (23°C) in the afternoon and around 10 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in May.
Pack for Jersey City with light clothing for the warm months, a heavy insulated coat, hat and gloves for winter and a compact umbrella or rain shell. Even in July, lows of 69°F (21°C) make an extra layer worth the space.
Jersey City temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.