Mulu weather in December 2025

Expect daytime maximum temperatures of 30°C in Mulu, Malaysia in December and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 25 days with some rainfall and typically 344 mm of rainfall in the month.

  • 30°C maximum daytime temperature in December in Mulu30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 25 days with some rainfall in December in Mulu25
    25 days with some rainfall
  • 22°C minimum night-time temperature in December in Mulu22
    22°C min night temperature
  • 12 hours of daylight per day in December in Mulu12
    12 hours of daylight per day
  • High heat & humidity in December in MuluH
    High heat & humidity
  • 344 mm monthly rainfall in December in Mulu344
    344 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in December in Mulu11
    11 (Extreme) UV index

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The December weather guide for Malaysia (Mulu) 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 Mulu in December?

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

How sunny is it in Mulu in December?

There are normally 6 hours of bright sunshine each day in Mulu in December - that's 50% of daylight hours.

Does it rain in Mulu in December?

There are usually 25 days with some rain in Mulu in December and the average monthly rainfall is 344mm.

Mulu December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:13 18:07
Tuesday, 16th December 2025 06:20 18:13
Wednesday, 31st December 2025 06:27 18:21

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