You can visit Tanjung Puting all year round. The temperature is rather constant and while it is often raining in Kalimantan, historically the most dry period has been July-August and the most wet period has been January and February. However, in recent years the rainfall has been unpredictable, so the above should not be delt with too strictly.
Partly for the above reason, the most popular period to visit Tanjung Puting is July-August. However, we want to emphasize that besides the weather advantages of this period, there are several downsides doing the Orangutan tour in July-August:
- It is very crowded
- It is relatively expensive as you are charged the high season price.
- Although it is called a 3D2N tour, all boats (for any operator) will leave the national park on the last day already in the morning.
- Under the event of a force majeure break-down of the boat engine, it is difficult for tour operators to hire another boat (which can easily be done for months outside July-August).
Considering the crowds and the value for money, in our opinion the best time to visit Tanjung Puting is in the shoulder months September-October and April-June.
Most travellers however do not have much flexibility and are restricted to the high season period. As long as you manage your expecations that it will be crowded and that you return early on the last day, you will still have a wonderful experience!