Semarang weather in August 2025

Expect 33°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Semarang in August. Check more long-term weather averages for Semarang in August before you book your next holiday to Indonesia in 2025/2026.

  • 33°C maximum daytime temperature in August in Semarang33
    33°C max day temperature
  • 10 hours of sunshine per day
  • 4 days with some rainfall in August in Semarang4
    4 days with some rainfall
  • 21°C minimum night-time temperature in August in Semarang21
    21°C min night temperature
  • 12 hours of daylight per day in August in Semarang12
    12 hours of daylight per day
  • Very high heat & humidity in August in SemarangVH
    Very High heat & humidity
  • 31 mm monthly rainfall in August in Semarang31
    31 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Semarang11
    11+ (Extreme) UV index
  • 28°C sea temperature in August in Semarang28
    28°C sea temperature

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The August weather guide for Indonesia (Semarang) 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 Semarang in August?

Daytime temperatures usually reach 33°C in Semarang in August with very high heat and humidity, falling to 21°C at night.

How sunny is it in Semarang in August?

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

How warm is the sea around Semarang in August?

The average sea temperature around Semarang in August is 28°C.

Does it rain in Semarang in August?

There are usually 4 days with some rain in Semarang in August and the average monthly rainfall is 31mm.

Semarang August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:50 17:39
Saturday, 16th August 2025 05:46 17:39
Sunday, 31st August 2025 05:40 17:38

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