Average humidity in Surabaya

On this page you find more information about the monthly relative humidity over the year in Surabaya (East Java), Indonesia.

Surabaya's humidity levels vary throughout the year. The highest levels occur in February, reaching 68% (high), while the lowest is recorded in September at 54%.

Throughout the year, the average humidity in Surabaya is 61%.

Humidity plays an important role in how temperatures are felt. During the warmest month, October, the maximum average temperature is around 35°C. During this warm period, the moderate humidity levels have little impact on how the temperature is perceived.

During the coldest month, August, the maximum average temperature is around 33°C. This period has moderate humidity. Check out our detailed temperature page for more information.