Wellington weather in January 2026

Expect daytime maximum temperatures of 20°C in Wellington, New Zealand in January based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 80 mm of rainfall in the month.

  • 20°C maximum daytime temperature in January in Wellington20
    20°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in January in Wellington9
    9 days with some rainfall
  • 13°C minimum night-time temperature in January in Wellington13
    13°C min night temperature
  • 15 hours of daylight per day in January in Wellington15
    15 hours of daylight per day
  • No heat & humidity in January in Wellington0
    No heat & humidity
  • 80 mm monthly rainfall in January in Wellington80
    80 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in January in Wellington11
    11 (Extreme) UV index
  • 16°C sea temperature in January in Wellington16
    16°C sea temperature

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The January weather guide for New Zealand (Wellington) 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 Wellington in January?

Daytime temperatures usually reach 20°C in Wellington in January, falling to 13°C at night.

How sunny is it in Wellington in January?

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

How warm is the sea around Wellington in January?

The average sea temperature around Wellington in January is 16°C.

Does it rain in Wellington in January?

There are usually 9 days with some rain in Wellington in January and the average monthly rainfall is 80mm.

Wellington January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 04:51 19:57
Friday, 16th January 2026 05:06 19:54
Saturday, 31st January 2026 05:25 19:43

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