St John weather in January 2025

Expect 28°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in St John in January. Check more long-term weather averages for St John in January before you book your next holiday to New Brunswick in 2025/2026.

  • 28°F maximum daytime temperature in January in St John28
    28°F max day temperature
  • 4 hours of sunshine per day
  • 13 days with some rainfall in January in St John13
    13 days with some rainfall
  • 12°F minimum night-time temperature in January in St John12
    12°F min night temperature
  • 9 hours of daylight per day in January in St John9
    9 hours of daylight per day
  • No heat & humidity in January in St John0
    No heat & humidity
  • 5.0 inches monthly rainfall in January in St John5.0
    5.0 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in St John1
    1 (Low) UV index
  • 36°F sea temperature in January in St John36
    36°F sea temperature

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The January weather guide for New Brunswick (St John) 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 St John in January?

Daytime temperatures usually reach 28°F in St John in January, falling to 12°F at night.

How sunny is it in St John in January?

There are normally 4 hours of bright sunshine each day in St John in January - that's 38% of daylight hours.

How warm is the sea around St John in January?

The average sea temperature around St John in January is 36°F.

Does it rain in St John in January?

There are usually 13 days with some rain in St John in January and the average monthly rainfall is 5.0 inches. Rain may fall as snow in this month.

St John January sunrise & sunset times

Browse the sunrise and sunset times for St John in January 2025. Select a month to view St John sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 08:04 16:53
Thursday, 16th January 2025 07:59 17:10
Friday, 31st January 2025 07:46 17:31

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