Dunedin weather in January 2026

Expect daytime maximum temperatures of 18°C in Dunedin 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

More about Dunedin

Dunedin by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for New Zealand

Avalon Waterways: Top deals on 2026 river cruises

  • Book early & save on 2026 river cruises with Avalon Waterways
  • Filter deals by promotion, month, destination & more
  • Travel between 1st Jan & 31st Dec 2026 (inclusive)
Go to Avalon Waterways deal >>

Expires at 23:59 on Thursday 31st Dec 2026 · View all Avalon Waterways offers

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)

Back to top

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

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^