Dunedin weather in January 2026

Expect daytime maximum temperatures of 18°C in Dunedin, New Zealand in January based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 68 mm of rainfall in the month.

  • 18°C maximum daytime temperature in January in Dunedin18
    18°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in January in Dunedin16
    16 days with some rainfall
  • 11°C minimum night-time temperature in January in Dunedin11
    11°C min night temperature
  • 15 hours of daylight per day in January in Dunedin15
    15 hours of daylight per day
  • No heat & humidity in January in Dunedin0
    No heat & humidity
  • 68 mm monthly rainfall in January in Dunedin68
    68 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in January in Dunedin10
    10 (Very High) UV index
  • 14°C sea temperature in January in Dunedin14
    14°C sea temperature

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

Daytime temperatures usually reach 18°C in Dunedin in January, falling to 11°C at night.

How sunny is it in Dunedin in January?

There are normally 6 hours of bright sunshine each day in Dunedin in January - that's 37% of daylight hours.

How warm is the sea around Dunedin in January?

The average sea temperature around Dunedin in January is 14°C.

Does it rain in Dunedin in January?

There are usually 16 days with some rain in Dunedin in January and the average monthly rainfall is 68mm.

Dunedin January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 04:51 20:31
Friday, 16th January 2026 05:08 20:26
Saturday, 31st January 2026 05:30 20:12

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