New Plymouth weather in January 2026

Expect daytime maximum temperatures of 70°F in New Plymouth, New Zealand in January based on long-term weather averages. There are 8 hours of sunshine per day on average with 12 days with some rainfall and typically 5.0 inches of rainfall in the month.

  • 70°F maximum daytime temperature in January in New Plymouth70
    70°F max day temperature
  • 8 hours of sunshine per day
  • 12 days with some rainfall in January in New Plymouth12
    12 days with some rainfall
  • 55°F minimum night-time temperature in January in New Plymouth55
    55°F min night temperature
  • 15 hours of daylight per day in January in New Plymouth15
    15 hours of daylight per day
  • No heat & humidity in January in New Plymouth0
    No heat & humidity
  • 5.0 inches monthly rainfall in January in New Plymouth5.0
    5.0 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in January in New Plymouth11
    11 (Extreme) UV index
  • 66°F sea temperature in January in New Plymouth66
    66°F sea temperature

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The January weather guide for New Zealand (New Plymouth) 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 hot is it in New Plymouth in January?

Daytime temperatures usually reach 68°F in New Plymouth in January, falling to 55°F at night.

How sunny is it in New Plymouth in January?

There are normally 8 hours of bright sunshine each day in New Plymouth in January - that's 51% of daylight hours.

How warm is the sea around New Plymouth in January?

The average sea temperature around New Plymouth in January is 61°F.

Does it rain in New Plymouth in January?

There are usually 9 days with some rain in New Plymouth in January and the average monthly rainfall is 3.1 inches.

New Plymouth January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 05:01 19:53
Friday, 16th January 2026 05:16 19:50
Saturday, 31st January 2026 05:33 19:40

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