New Plymouth weather in December 2025

Expect daytime maximum temperatures of 68°F in New Plymouth, New Zealand in December based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 5.2 inches of rainfall in the month.

  • 68°F maximum daytime temperature in December in New Plymouth68
    68°F max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in December in New Plymouth13
    13 days with some rainfall
  • 54°F minimum night-time temperature in December in New Plymouth54
    54°F min night temperature
  • 15 hours of daylight per day in December in New Plymouth15
    15 hours of daylight per day
  • No heat & humidity in December in New Plymouth0
    No heat & humidity
  • 5.2 inches monthly rainfall in December in New Plymouth5.2
    5.2 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in December in New Plymouth11
    11 (Extreme) UV index
  • 63°F sea temperature in December in New Plymouth63
    63°F sea temperature

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The December weather guide for New Zealand (New Plymouth) 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)  |  Imperial (°F)

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How hot is it in New Plymouth in December?

Daytime temperatures usually reach 68°F in New Plymouth in December, falling to 54°F at night.

How sunny is it in New Plymouth in December?

There are normally 7 hours of bright sunshine each day in New Plymouth in December - that's 50% of daylight hours.

How warm is the sea around New Plymouth in December?

The average sea temperature around New Plymouth in December is 63°F.

Does it rain in New Plymouth in December?

There are usually 13 days with some rain in New Plymouth in December and the average monthly rainfall is 5.2 inches.

New Plymouth December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 04:52 19:34
Tuesday, 16th December 2025 04:52 19:46
Wednesday, 31st December 2025 05:00 19:53

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