Surabaja weather in October 2025

Expect 34°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Surabaja in October. Check more long-term weather averages for Surabaja in October before you book your next holiday to Indonesia in 2025/2026.

  • 34°C maximum daytime temperature in October in Surabaja34
    34°C max day temperature
  • 10 hours of sunshine per day
  • 2 days with some rainfall in October in Surabaja2
    2 days with some rainfall
  • 25°C minimum night-time temperature in October in Surabaja25
    25°C min night temperature
  • 12 hours of daylight per day in October in Surabaja12
    12 hours of daylight per day
  • Very high heat & humidity in October in SurabajaVH
    Very High heat & humidity
  • 49 mm monthly rainfall in October in Surabaja49
    49 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Surabaja11
    11+ (Extreme) UV index
  • 29°C sea temperature in October in Surabaja29
    29°C sea temperature

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The October 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 October?

Daytime temperatures usually reach 34°C in Surabaja in October with very high heat and humidity, falling to 25°C at night.

How sunny is it in Surabaja in October?

There are normally 10 hours of bright sunshine each day in Surabaja in October - that's 83% of daylight hours.

How warm is the sea around Surabaja in October?

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

Does it ever rain in Surabaja in October?

There are usually 2 days with some rain in Surabaja in October and the average monthly rainfall is 49mm.

Surabaja October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:14 17:24
Thursday, 16th October 2025 05:07 17:23
Friday, 31st October 2025 05:02 17:24

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