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Surabaja weather in August 2026
Expect daytime maximum temperatures of 32°C in Surabaja, Indonesia in August and high heat and humidity based on long-term weather averages. There are 11 hours of sunshine per day on average.
- 32°C max day temperature
32 - 11 hours of sunshine per day
- 1 day with some rainfall
1 - 23°C min night temperature
23 - 12 hours of daylight per day
12 - High heat & humidity
H - 13 mm of monthly rainfall
13 - 11+ (Extreme) UV index
11 - 28°C sea temperature
28
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Recommended for Indonesia
The August 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)
More about Indonesia
How hot is it in Surabaja in August?
Daytime temperatures usually reach 33°C in Surabaja in August with very high heat and humidity, falling to 22°C at night.
How sunny is it in Surabaja in August?
There are normally 9 hours of bright sunshine each day in Surabaja in August - that's 77% of daylight hours.
How warm is the sea around Surabaja in August?
The average sea temperature around Surabaja in August is 28°C.
Does it rain in Surabaja in August?
There are usually 8 days with some rain in Surabaja in August and the average monthly rainfall is 77mm.
Surabaja August sunrise & sunset times
Browse the sunrise and sunset times for Surabaja in August 2026. Select a month to view Surabaja sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Saturday, 1st August 2026 | 05:42 | 17:29 |
| Sunday, 16th August 2026 | 05:37 | 17:30 |
| Monday, 31st August 2026 | 05:31 | 17:28 |
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