Jersey City weather in July 2025

Expect 30°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Jersey City in July. Check more long-term weather averages for Jersey City in July before you book your next holiday to New Jersey in 2025/2026.

  • 30°C maximum daytime temperature in July in Jersey City30
    30°C max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in July in Jersey City10
    10 days with some rainfall
  • 20°C minimum night-time temperature in July in Jersey City20
    20°C min night temperature
  • 15 hours of daylight per day in July in Jersey City15
    15 hours of daylight per day
  • Moderate heat & humidity in July in Jersey CityM
    Moderate heat & humidity
  • 111 mm monthly rainfall in July in Jersey City111
    111 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in July in Jersey City8
    8 (Very High) UV index
  • 21°C sea temperature in July in Jersey City21
    21°C sea temperature

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The July weather guide for New Jersey (Jersey City) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Jersey City in July?

Daytime temperatures usually reach 30°C in Jersey City in July with moderate heat and humidity, falling to 20°C at night.

How sunny is it in Jersey City in July?

There are normally 9 hours of bright sunshine each day in Jersey City in July - that's 59% of daylight hours.

How warm is the sea around Jersey City in July?

The average sea temperature around Jersey City in July is 21°C.

Does it rain in Jersey City in July?

There are usually 10 days with some rain in Jersey City in July and the average monthly rainfall is 111mm.

Jersey City July sunrise & sunset times

Browse the sunrise and sunset times for Jersey City in July 2025. Select a month to view Jersey City sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:29 19:31
Wednesday, 16th July 2025 04:39 19:25
Thursday, 31st July 2025 04:52 19:12

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