New Jersey weather in January 2025

Expect 36°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in New Jersey in January. Check more long-term weather averages for New Jersey in January before you book your next holiday to New Jersey in 2025/2026.

  • 36°F maximum daytime temperature in January in New Jersey (Newark)36
    36°F max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in January in New Jersey (Newark)11
    11 days with some rainfall
  • 21°F minimum night-time temperature in January in New Jersey (Newark)21
    21°F min night temperature
  • 10 hours of daylight per day in January in New Jersey (Newark)10
    10 hours of daylight per day
  • No heat & humidity in January in New Jersey (Newark)0
    No heat & humidity
  • 3.5 inches monthly rainfall in January in New Jersey (Newark)3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in January in New Jersey (Newark)2
    2 (Low) UV index

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The January weather guide for New Jersey (Newark) 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.

Top New Jersey destinations

Below are average maximum temperatures at popular countries, regions and places in New Jersey in January. Select a holiday destination to see more weather parameters.

All New Jersey destinations

Metric (°C)  |  Imperial (°F)

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How cold is it in New Jersey in January?

Daytime temperatures usually reach 36°F in Newark, New Jersey in January, falling to 21°F at night.

How sunny is it in New Jersey in January?

There are normally 5 hours of bright sunshine each day in Newark, New Jersey in January - that's 53% of daylight hours.

Does it rain in New Jersey in January?

There are usually 11 days with some rain in Newark, New Jersey in January and the average monthly rainfall is 3.5 inches. Rain may fall as snow in this month.

New Jersey January sunrise & sunset times

Browse the sunrise and sunset times for New Jersey in January 2025. Select a month to view New Jersey sunrise and sunset times for the next 12 months. The New Jersey sunrise and sunset times shown below are for Newark.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:21 16:40
Thursday, 16th January 2025 07:18 16:55
Friday, 31st January 2025 07:07 17:13

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