Dunedin weather in December 2025

Expect daytime maximum temperatures of 16°C in Dunedin, New Zealand in December based on long-term weather averages. There are 6 hours of sunshine per day on average with 18 days with some rainfall and typically 66 mm of rainfall in the month.

  • 16°C maximum daytime temperature in December in Dunedin16
    16°C max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in December in Dunedin18
    18 days with some rainfall
  • 10°C minimum night-time temperature in December in Dunedin10
    10°C min night temperature
  • 16 hours of daylight per day in December in Dunedin16
    16 hours of daylight per day
  • No heat & humidity in December in Dunedin0
    No heat & humidity
  • 66 mm monthly rainfall in December in Dunedin66
    66 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in December in Dunedin9
    9 (Very High) UV index
  • 13°C sea temperature in December in Dunedin13
    13°C sea temperature

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The December 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 warm is it in Dunedin in December?

Daytime temperatures usually reach 16°C in Dunedin in December, falling to 10°C at night.

How sunny is it in Dunedin in December?

There are normally 6 hours of bright sunshine each day in Dunedin in December - that's 36% of daylight hours.

How warm is the sea around Dunedin in December?

The average sea temperature around Dunedin in December is 13°C.

Does it rain in Dunedin in December?

There are usually 18 days with some rain in Dunedin in December and the average monthly rainfall is 66mm.

Dunedin December sunrise & sunset times

Browse the sunrise and sunset times for Dunedin in December 2025. Select a month to view Dunedin sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 04:44 20:10
Tuesday, 16th December 2025 04:42 20:25
Wednesday, 31st December 2025 04:51 20:31

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