Indonesia Weather Guide: Best Time to Visit Every Region in 2026
Bali
Dry season: April-October (sunny, perfect). Wet season: November-March. Shoulder: March-April and October.
Java
April-October for temple visits and volcano treks. November-March for green landscapes and lower prices.
Sumatra
May-September for highlands. Surf season in Mentawai: March-October.
Raja Ampat
October-June for diving (calm seas, 30m+ visibility). Avoid July-September (rough seas).
Best Time by Activity
Diving: April-November. Surfing: March-October. Volcano trekking: April-October. Wildlife: June-September.
