Rotorua weather in January 2026

Expect daytime maximum temperatures of 23°C in Rotorua, New Zealand in January based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 125 mm of rainfall in the month.

  • 23°C maximum daytime temperature in January in Rotorua23
    23°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in January in Rotorua10
    10 days with some rainfall
  • 12°C minimum night-time temperature in January in Rotorua12
    12°C min night temperature
  • 14 hours of daylight per day in January in Rotorua14
    14 hours of daylight per day
  • No heat & humidity in January in Rotorua0
    No heat & humidity
  • 125 mm monthly rainfall in January in Rotorua125
    125 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Rotorua11
    11+ (Extreme) UV index

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

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

How sunny is it in Rotorua in January?

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

How warm is the sea around Rotorua in January?

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

Does it rain in Rotorua in January?

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

Rotorua January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 04:55 19:41
Friday, 16th January 2026 05:09 19:39
Saturday, 31st January 2026 05:26 19:30

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