Surabaya weather in April
April in Surabaya: hot, soaked, with poor air quality — a gamble, with 24 rainy days.
#7 of 12 months in Surabaya · #833 of 897 destinations to visit in April · comfort 61/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Surabaya in April
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Surabaya climate normals — April
| Daytime high | 30°C / 87°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 78°F | |
| Rainfall | 177 mm / 7 in | ⛈ soaked |
| Rainy days | 24 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 10 h/day | |
| Daylight | 11.9 h | |
| Wind | 9 km/h / 6 mph | |
| Air quality (US AQI) | 109 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Surabaya in April — FAQ
- Is April a good time to visit Surabaya?
- April in Surabaya: hot, soaked, with poor air quality — a gamble, with 24 rainy days. It ranks #7 of 12 months for Surabaya on SeasonMap's comfort score (61/100).
- What is the weather like in Surabaya in April?
- In April, Surabaya averages a daily high of 30.3°C and a low of 25.3°C, with about 177.2 mm of rain over roughly 23.6 rainy days.
- What is the air quality in Surabaya in April?
- Surabaya has a mean US Air Quality Index of about 109 in April.