Trenton weather in July 2025

Expect 86°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Trenton in July. Check more long-term weather averages for Trenton in July before you book your next holiday to New Jersey in 2025/2026.

  • 86°F maximum daytime temperature in July in Trenton86
    86°F max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in July in Trenton9
    9 days with some rainfall
  • 64°F minimum night-time temperature in July in Trenton64
    64°F min night temperature
  • 15 hours of daylight per day in July in Trenton15
    15 hours of daylight per day
  • Moderate heat & humidity in July in TrentonM
    Moderate heat & humidity
  • 4.8 inches monthly rainfall in July in Trenton4.8
    4.8 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in July in Trenton9
    9 (Very High) UV index

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Trenton by month

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Recommended for New Jersey

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12

The July weather guide for New Jersey (Trenton) 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)  |  Imperial (°F)

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How hot is it in Trenton in July?

Daytime temperatures usually reach 86°F in Trenton in July with moderate heat and humidity, falling to 64°F at night.

How sunny is it in Trenton in July?

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

Does it rain in Trenton in July?

There are usually 9 days with some rain in Trenton in July and the average monthly rainfall is 4.8 inches.

Trenton July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:33 19:32
Wednesday, 16th July 2025 04:43 19:27
Thursday, 31st July 2025 04:56 19:14

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