The weather in Surabaya in May is very hot. The average temperatures are between 26°C and 32°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Surabaya during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Surabaya in May 2025.
If you’re planning to visit Surabaya in the near future, we highly recommend that you review the 14 day weather forecast for Surabaya before you arrive.
Temperatures
32° / 26°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
109
mm
Sun Hours
11.6
Hrs