Surabaya weather in October
October in Surabaya: hot, rainy, with poor air quality — a gamble, with poor air.
#6 of 12 months in Surabaya · #771 of 897 destinations to visit in October · comfort 64/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Surabaya in October
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Surabaya climate normals — October
| Daytime high | 33°C / 91°F | 🥵 hot |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Rainfall | 112 mm / 4.4 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 11 h/day | |
| Daylight | 12.3 h | |
| Wind | 12 km/h / 7 mph | |
| Air quality (US AQI) | 106 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Surabaya in October — FAQ
- Is October a good time to visit Surabaya?
- October in Surabaya: hot, rainy, with poor air quality — a gamble, with poor air. It ranks #6 of 12 months for Surabaya on SeasonMap's comfort score (64/100).
- What is the weather like in Surabaya in October?
- In October, Surabaya averages a daily high of 32.8°C and a low of 25.6°C, with about 112 mm of rain over roughly 13.2 rainy days.
- What is the air quality in Surabaya in October?
- Surabaya has a mean US Air Quality Index of about 106 in October.