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Derawan Island

Best Time to Visit Derawan Island for Diving

6 min read
Best Time to Visit Derawan Island for Diving

Updated: August 2026

Best Time to Visit Derawan Island for Diving

Derawan Island, a mesmerizing jewel in Borneo, is renowned for its vibrant underwater ecosystems, making it a top destination for diving enthusiasts. The best time to visit Derawan Island largely hinges on its unique weather patterns, which can significantly influence diving conditions from April to November.

Understanding Derawan Island Weather by Month

To maximize your diving experience on Derawan Island, it’s crucial to understand the island’s weather patterns throughout the year. The climate is typically tropical, characterized by two main seasons: the dry season and the rainy season.

  • January to March: These months mark the tail end of the rainy season. Expect occasional showers, but diving is still possible. Temperatures hover around 27°C to 30°C (81°F to 86°F) with average visibility underwater around 15 to 20 meters (49 to 66 feet).
  • April to November: This period is known as the best time to visit Derawan Island for diving. The dry season ensures calmer sea conditions and better visibility, often exceeding 25 meters (82 feet). Temperatures continue to be warm, averaging 29°C (84°F).
  • December: As the rainy season returns, conditions can become less predictable. While some divers still venture out, expect more rain and reduced visibility.

Derawan Island Dry Season: A Diver’s Paradise

The dry season from April to November is undoubtedly the prime time for diving around Derawan Island. This period not only boasts the best weather conditions but also lively marine life and stunning coral reefs.

  • April: Transitioning into the dry season, April offers great conditions with warmer waters averaging about 28°C (82°F) and visibility often around 20-25 meters (66-82 feet). Dive sites like Kakaban and Sangalaki become particularly active with manta rays and turtles.
  • May and June: These months are excellent for underwater visibility, often peaking at 30 meters (98 feet). The water is warm, and you’ll likely encounter diverse marine life, including large schools of fish and vibrant corals.
  • July to August: This is peak travel season, attracting divers from all over the world. Expect slightly busier dive sites but excellent visibility and abundant marine life. Dive depths can range from 10 to 40 meters (33 to 131 feet), allowing both novice and experienced divers to enjoy the rich underwater landscapes.
  • September to November: As the dry season concludes, the water remains warm, and visibility typically stays high. This is also a good time for spotting larger pelagic species as they migrate through the area.

Derawan Island Rainy Season: What to Expect

The rainy season spans from December to March, and while it can pose challenges for divers, it also has its unique charm. Here’s what you can expect:

  • December: This month sees continuous rain, affecting diving activities. The average temperature is around 26°C (79°F), and while conditions are less favorable, some divers enjoy the quieter, serene underwater experience.
  • January to March: Conditions gradually improve, but rain showers remain frequent. Diving is still possible, but be prepared for unpredictable weather and variable visibility.

Derawan Island Underwater Visibility: A Key Factor

When planning your diving trip, visibility is one of the most crucial factors to consider. In the dry season, visibility typically ranges from 20 to 30 meters (66 to 98 feet), allowing divers to fully appreciate the spectacular coral gardens and bustling marine life. In contrast, during the rainy season, visibility can diminish to 10-15 meters (33 to 49 feet) due to increased sediment in the water. Therefore, the best time to visit Derawan Island for optimal visibility is undoubtedly during the dry season.

Derawan Island Sea Conditions: Waters

Understanding sea conditions is essential for a safe and enjoyable diving experience. During the dry season, sea conditions are generally calm, with minimal waves and currents, making it easier for divers and boats to navigate. Expect surface temperatures around 28°C (82°F), creating a comfortable diving experience. However, the rainy season introduces rougher waters and stronger currents, particularly in December and January. Always consult the local weather forecast before diving and consider joining guided tours for more experienced navigation.

When to Go to Derawan Island: Travel Season Insights

Your trip to Derawan Island can be tailored around the diving season and personal preferences. The peak travel season usually coincides with the dry months of July and August, attracting many tourists and divers. During this period, accommodations and dive centers can fill up quickly.

  • Off-Peak Season: Traveling during the shoulder months of April, May, September, and October can offer a more relaxed atmosphere.
  • Low Season: Visiting during the wetter period from December to March is possible, and Open Trip departures run in every month. However, be prepared for unpredictable weather and plan your diving activities accordingly.

FAQ About Diving in Derawan Island

Q1: What is the best time to visit Derawan Island for diving?
A1: The best time to visit is during the dry season, from April to November, when underwater visibility is at its peak and sea conditions are calm.

Q2: What are typical dive depths around Derawan Island?
A2: Dive depths can range from 10 to 40 meters (33 to 131 feet), catering to both novice and experienced divers.

Q3: How much does it cost to stay on Derawan Island?
A3: The stay is included in our trips and depends on the one you choose: private trips start from USD 1,290 in total for 2 guests (3D2N, Reza Derawan Resort, Standard), and the Open Trip 4D3N is USD 280 per person.

Conclusion

For divers seeking unparalleled underwater experiences, Derawan Island offers an enchanting escape that thrives during the dry season from April to November. By carefully planning your visit around these months, you will enjoy the best visibility, calmer seas, and a vibrant marine universe waiting to be explored. Prepare for an unforgettable diving adventure on this hidden Borneo!

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