Average humidity in Surabaya
The mean monthly relative humidity over the year in Surabaya (East Java), Indonesia.
- On average, February is the most humid month, at 68.0%.
- On average, September is the least humid month, at 54.0%.
- The average annual percentage of humidity is 61%.
Forecast for Surabaya
broken clouds and chance of rain
partly cloudy and rain
broken clouds and thunder