Best Time to Visit Surabaya, East Java, Indonesia
Surabaya is at its sunniest and driest in July–September.
The best time to visit Surabaya for sunny, dry weather is July–September — 3 months of the year fit our sunny profiles at this specific location. The drier stretch runs through May–November; the wetter half falls in December–April. At the city itself, monthly average temperatures range from 27.5°C / 81.5°F in July to 29.1°C / 84.4°F in October, with rainfall from 12 mm / 0.5 in (August) to 312 mm / 12.3 in (January). These are point-value climate normals sampled at Surabaya, East Java, Indonesia's coordinates — usually more actionable for travellers than the country-wide average. Surabaya's climate is broadly tropical. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| July | 27.5°C81.5°F | 24 mm0.9″ | Sunny & Hot |
| August | 27.7°C81.9°F | 12 mm0.5″ | Sunny & Hot |
| September | 28.3°C82.9°F | 29 mm1.1″ | Sunny & Hot |
Frequently asked questions
When is the best time to visit Surabaya?
The best time to visit Surabaya for sunny, dry weather is July, August, September. At the city itself, the warmest month is October averaging 29.1°C / 84.4°F, and the driest is August with about 12 mm / 0.5 in of rain. These are point-value climate normals sampled at Surabaya's coordinates.
When is the rainy season in Surabaya?
The rainy season at Surabaya, East Java runs through December–April, when monthly rainfall exceeds the annual median of about 126 mm / 5 in. The wettest single month is January (312 mm / 12.3 in).
What is the driest month in Surabaya?
The driest month in Surabaya is August, averaging about 12 mm / 0.5 in of rainfall. Temperature that month averages 27.7°C / 81.9°F.
What months should I avoid visiting Surabaya?
The least comfortable months for travel to Surabaya — based on point-value climate at the city — are January, February, March, June, July, August. These are the wettest or coolest months at this location. Rainfall peaks at 312 mm / 12.3 in in January, and the coldest month averages 27.5°C / 81.5°F.
Is Surabaya climate different from Indonesia overall?
Yes, usually. Our Surabaya figures are point-value climate normals sampled at the city itself, while our Indonesia figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Surabaya specifically — usually the more actionable data for a traveller planning to spend time in the city.