A jeep tour takes place in a mountain environment, so weather matters.
Indonesia generally experiences a dry and wet season rather than four temperate seasons.
Bali’s general dry season usually falls between April and October, while the wetter months are more commonly experienced between November and March.
The dry season can offer more favorable conditions for outdoor activities, but a clear sunrise is never guaranteed.
Clouds, mist, rain, and rapidly changing mountain conditions are part of traveling in Kintamani.
Since conditions can change quickly, staying overnight near the mountain at Desa Oculus gives you more freedom to adjust your tour day if the morning looks cloudy. You can see the available rooms and stay options at https://desaoculus.com/stay-at-desa-oculus/.
Rather than choosing purely by month, check the weather forecast shortly before your tour, confirm weather policies with your operator, keep your schedule flexible where possible, and do not assume a sunrise tour guarantees an unobstructed view.
If you are planning to extend your trip to allow for a backup day, you can check for more details on accommodation options before you finalize your travel dates.