Trenton weather in May 2025

Expect 23°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Trenton in May. Check more long-term weather averages for Trenton in May before you book your next holiday to New Jersey in 2025/2026.

  • 23°C maximum daytime temperature in May in Trenton23
    23°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in May in Trenton11
    11 days with some rainfall
  • 10°C minimum night-time temperature in May in Trenton10
    10°C min night temperature
  • 14 hours of daylight per day in May in Trenton14
    14 hours of daylight per day
  • No heat & humidity in May in Trenton0
    No heat & humidity
  • 95 mm monthly rainfall in May in Trenton95
    95 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Trenton8
    8 (Very High) UV index

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The May 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Trenton in May?

Daytime temperatures usually reach 23°C in Trenton in May, falling to 10°C at night.

How sunny is it in Trenton in May?

There are normally 8 hours of bright sunshine each day in Trenton in May - that's 55% of daylight hours.

Does it rain in Trenton in May?

There are usually 11 days with some rain in Trenton in May and the average monthly rainfall is 95mm.

Trenton May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:58 18:55
Friday, 16th May 2025 04:42 19:09
Saturday, 31st May 2025 04:32 19:22

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