Nias weather in December 2025

Expect 30°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Nias in December based on long-term weather averages. There is usually 17 days with some rainfall and 294 mm of average monthly rainfall in December.

  • 30°C maximum daytime temperature in December in Nias30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in December in Nias17
    17 days with some rainfall
  • 22°C minimum night-time temperature in December in Nias22
    22°C min night temperature
  • 12 hours of daylight per day in December in Nias12
    12 hours of daylight per day
  • Very high heat & humidity in December in NiasVH
    Very High heat & humidity
  • 294 mm monthly rainfall in December in Nias294
    294 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Nias11
    11+ (Extreme) UV index
  • 29°C sea temperature in December in Nias29
    29°C sea temperature

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The December weather guide for Indonesia (Nias) 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 Nias in December?

Daytime temperatures usually reach 30°C in Nias in December with very high heat and humidity, falling to 22°C at night.

How sunny is it in Nias in December?

There are normally 6 hours of bright sunshine each day in Nias in December - that's 53% of daylight hours.

How warm is the sea around Nias in December?

The average sea temperature around Nias in December is 29°C.

Does it rain in Nias in December?

There are usually 17 days with some rain in Nias in December and the average monthly rainfall is 294mm.

Nias December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:15 18:21
Tuesday, 16th December 2025 06:22 18:27
Wednesday, 31st December 2025 06:29 18:35

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