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Surabaja weather in August 2026
Expect daytime maximum temperatures of 90°F 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.
- 90°F max day temperature
90 - 11 hours of sunshine per day
- 1 day with some rainfall
1 - 73°F min night temperature
73 - 12 hours of daylight per day
12 - High heat & humidity
H - 0.5 inches of monthly rainfall
0.5 - 11+ (Extreme) UV index
11 - 82°F sea temperature
82
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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) | Imperial (°F)
More about Indonesia
How hot is it in Surabaja in August?
Daytime temperatures usually reach 90°F in Surabaja in August with high heat and humidity, falling to 73°F at night.
How sunny is it in Surabaja in August?
There are normally 11 hours of bright sunshine each day in Surabaja in August - that's 93% of daylight hours.
How warm is the sea around Surabaja in August?
The average sea temperature around Surabaja in August is 82°F.
Does it ever rain in Surabaja in August?
There is usually 1 day with some rain in Surabaja in August and the average monthly rainfall is 0.5 inches.
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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