The weather in Sumatra in January is hot. The average temperatures are between 22°C and 31°C.
You can expect rain for roughly half of the month of January in Sumatra. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Sumatra in January 2025.
If you’re planning to visit Sumatra in the near future, we highly recommend that you review the 14 day weather forecast for Sumatra before you arrive.
Temperatures
31° / 22°
Rainy Days
10
Snowy Days
0
Dry Days
21
Rainfall
209
mm
Sun Hours
11.1
Hrs