When to Go


  • No especially good or bad season to visit; weather patterns are changing and becoming less reliable.
  • Lowland areas always hot and humid.
  • Rain a real possibility every day, all year.

'Wet' Season (Oct–Feb)

  • Indistinct wet season October to February; can affect boat links to islands and visibility for divers.
  • Rains can render Kalimantan's dirt roads impassable.
  • Wildlife more difficult to spot.

High Season (Jun–Sep)

  • Accommodation and trekking guides likely to be booked out.
  • Best diving visibility in the Semporna Archipelago.
  • Catch the indigenous rice harvest festivals around Borneo in June and visit the sultan's palace during Hari Raya.