Miri weather in December 2025

Expect daytime maximum temperatures of 30°C in Miri, Malaysia in December and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 26 days with some rainfall and typically 363 mm of rainfall in the month.

  • 30°C maximum daytime temperature in December in Miri30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 26 days with some rainfall in December in Miri26
    26 days with some rainfall
  • 23°C minimum night-time temperature in December in Miri23
    23°C min night temperature
  • 12 hours of daylight per day in December in Miri12
    12 hours of daylight per day
  • Very high heat & humidity in December in MiriVH
    Very High heat & humidity
  • 363 mm monthly rainfall in December in Miri363
    363 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in December in Miri11
    11 (Extreme) UV index
  • 29°C sea temperature in December in Miri29
    29°C sea temperature

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The December weather guide for Malaysia (Miri) 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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More about Malaysia

How hot is it in Miri in December?

Daytime temperatures usually reach 30°C in Miri in December with very high heat and humidity, falling to 23°C at night.

How sunny is it in Miri in December?

There are normally 6 hours of bright sunshine each day in Miri in December - that's 51% of daylight hours.

How warm is the sea around Miri in December?

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

Does it rain in Miri in December?

There are usually 26 days with some rain in Miri in December and the average monthly rainfall is 363mm.

Miri December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:16 18:10
Tuesday, 16th December 2025 06:23 18:16
Wednesday, 31st December 2025 06:31 18:23

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