Princetown weather in May 2026

Expect daytime maximum temperatures of 22°C in Princetown, New Jersey in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 105 mm of rainfall in the month.

  • 22°C maximum daytime temperature in May in Princetown22
    22°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in May in Princetown11
    11 days with some rainfall
  • 9°C minimum night-time temperature in May in Princetown9
    9°C min night temperature
  • 14 hours of daylight per day in May in Princetown14
    14 hours of daylight per day
  • No heat & humidity in May in Princetown0
    No heat & humidity
  • 105 mm monthly rainfall in May in Princetown105
    105 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Princetown8
    8 (Very High) UV index

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The May weather guide for New Jersey (Princetown) 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 Princetown in May?

Daytime temperatures usually reach 22°C in Princetown in May, falling to 9°C at night.

How sunny is it in Princetown in May?

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

Does it rain in Princetown in May?

There are usually 11 days with some rain in Princetown in May and the average monthly rainfall is 105mm.

Princetown May sunrise & sunset times

Browse the sunrise and sunset times for Princetown in May 2026. Select a month to view Princetown sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 04:58 18:54
Saturday, 16th May 2026 04:42 19:09
Sunday, 31st May 2026 04:31 19:22

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