Princetown weather in January 2026

Expect daytime maximum temperatures of 37°F in Princetown, New Jersey in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 3.4 inches of rainfall in the month, which might fall as snow.

  • 37°F maximum daytime temperature in January in Princetown37
    37°F max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in January in Princetown10
    10 days with some rainfall
  • 19°F minimum night-time temperature in January in Princetown19
    19°F min night temperature
  • 10 hours of daylight per day in January in Princetown10
    10 hours of daylight per day
  • No heat & humidity in January in Princetown0
    No heat & humidity
  • 3.4 inches monthly rainfall in January in Princetown3.4
    3.4 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Princetown2
    2 (Low) UV index

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The January 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)  |  Imperial (°F)

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How cold is it in Princetown in January?

Daytime temperatures usually reach 37°F in Princetown in January, falling to 19°F at night.

How sunny is it in Princetown in January?

There are normally 5 hours of bright sunshine each day in Princetown in January - that's 54% of daylight hours.

Does it rain in Princetown in January?

There are usually 10 days with some rain in Princetown in January and the average monthly rainfall is 3.4 inches. Rain may fall as snow in this month.

Princetown January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:22 16:43
Friday, 16th January 2026 07:19 16:58
Saturday, 31st January 2026 07:09 17:16

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