The weather in Surabaya in January is very hot. The average temperatures are between 26°C and 31°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of January in Surabaya.
Surabaya should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Surabaya in January 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.