Generally, the weather in Surabaya during May is 22. With the average high being 30 with low of 16. Our table below has the full details:
| Month | Degrees Celsius |
|---|---|
| Temperature | 22 |
| High Temperature | 30 |
| Low Temperature | 16 |
| Sunshine Per Day | 9 |
Useful Links: Surabaya Weather: Average Weather & Yearly Climate