Surabaja weather in January 2025

Expect 31°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Surabaja in January. Check more long-term weather averages for Surabaja in January before you book your next holiday to Indonesia in 2025/2026.

  • 31°C maximum daytime temperature in January in Surabaja31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 17 days with some rainfall in January in Surabaja17
    17 days with some rainfall
  • 25°C minimum night-time temperature in January in Surabaja25
    25°C min night temperature
  • 12 hours of daylight per day in January in Surabaja12
    12 hours of daylight per day
  • Very high heat & humidity in January in SurabajaVH
    Very High heat & humidity
  • 281 mm monthly rainfall in January in Surabaja281
    281 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Surabaja11
    11+ (Extreme) UV index
  • 29°C sea temperature in January in Surabaja29
    29°C sea temperature

More about Surabaja

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The January weather guide for Indonesia (Surabaja) 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 Indonesia

How hot is it in Surabaja in January?

Daytime temperatures usually reach 31°C in Surabaja in January with very high heat and humidity, falling to 25°C at night.

How sunny is it in Surabaja in January?

There are normally 7 hours of bright sunshine each day in Surabaja in January - that's 56% of daylight hours.

How warm is the sea around Surabaja in January?

The average sea temperature around Surabaja in January is 29°C.

Does it rain in Surabaja in January?

There are usually 17 days with some rain in Surabaja in January and the average monthly rainfall is 281mm.

Surabaja January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 05:16 17:49
Thursday, 16th January 2025 05:24 17:54
Friday, 31st January 2025 05:30 17:55

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