Indonesia weather in December 2025

Expect daytime maximum temperatures of 32°C in Indonesia 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 18 days with some rainfall and typically 225 mm of rainfall in the month.

  • 32°C maximum daytime temperature in December in Indonesia (Jakarta)32
    32°C max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in December in Indonesia (Jakarta)18
    18 days with some rainfall
  • 23°C minimum night-time temperature in December in Indonesia (Jakarta)23
    23°C min night temperature
  • 12 hours of daylight per day in December in Indonesia (Jakarta)12
    12 hours of daylight per day
  • Very high heat & humidity in December in Indonesia (Jakarta)VH
    Very High heat & humidity
  • 225 mm monthly rainfall in December in Indonesia (Jakarta)225
    225 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Indonesia (Jakarta)11
    11+ (Extreme) UV index
  • 29°C sea temperature in December in Indonesia (Jakarta)29
    29°C sea temperature

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The December weather guide for Indonesia (Jakarta) 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.

Top Indonesia destinations

Below are average maximum temperatures at popular countries, regions and places in Indonesia in December. Select a holiday destination to see more weather parameters.

All Indonesia regions

All Indonesia destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Indonesia

How hot is it in Indonesia in December?

Daytime temperatures usually reach 32°C in Jakarta, Indonesia in December with very high heat and humidity, falling to 23°C at night.

How sunny is it in Indonesia in December?

There are normally 6 hours of bright sunshine each day in Jakarta, Indonesia in December - that's 46% of daylight hours.

How warm is the sea around Indonesia in December?

The average sea temperature around Jakarta, Indonesia in December is 29°C.

Does it rain in Indonesia in December?

There are usually 18 days with some rain in Jakarta, Indonesia in December and the average monthly rainfall is 225mm.

Indonesia December sunrise & sunset times

Browse the sunrise and sunset times for Indonesia in December 2025. Select a month to view Indonesia sunrise and sunset times for the next 12 months. The Indonesia sunrise and sunset times shown below are for Jakarta.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 05:28 17:55
Tuesday, 16th December 2025 05:34 18:03
Wednesday, 31st December 2025 05:41 18:10

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