Jakarta weather in January 2026

Expect daytime maximum temperatures of 30°C in Jakarta, Indonesia in January and high heat and humidity based on long-term weather averages. There are 4 hours of sunshine per day on average with 17 days with some rainfall and typically 406 mm of rainfall in the month.

  • 30°C maximum daytime temperature in January in Jakarta30
    30°C max day temperature
  • 4 hours of sunshine per day
  • 17 days with some rainfall in January in Jakarta17
    17 days with some rainfall
  • 23°C minimum night-time temperature in January in Jakarta23
    23°C min night temperature
  • 12 hours of daylight per day in January in Jakarta12
    12 hours of daylight per day
  • High heat & humidity in January in JakartaH
    High heat & humidity
  • 406 mm monthly rainfall in January in Jakarta406
    406 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Jakarta11
    11+ (Extreme) UV index
  • 28°C sea temperature in January in Jakarta28
    28°C sea temperature

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The January 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.

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

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How hot is it in Jakarta in January?

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

How sunny is it in Jakarta in January?

There are normally 4 hours of bright sunshine each day in Jakarta in January - that's 35% of daylight hours.

How warm is the sea around Jakarta in January?

The average sea temperature around Jakarta in January is 28°C.

Does it rain in Jakarta in January?

There are usually 17 days with some rain in Jakarta in January and the average monthly rainfall is 406mm.

Jakarta January sunrise & sunset times

Browse the sunrise and sunset times for Jakarta in January 2026. Select a month to view Jakarta sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 05:42 18:10
Friday, 16th January 2026 05:49 18:15
Saturday, 31st January 2026 05:55 18:17

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