Best Months for Scuba Diving in Andaman Based on Weather
- Andaman Island Travels
- Sep 22
- 5 min read

The Andaman Islands are often regarded as one of the best scuba diving destinations in the world, thanks to their crystal-clear waters, vibrant coral reefs, and abundant marine life. However, one crucial factor that determines a successful and enjoyable diving experience is weather. Understanding the seasonal patterns and selecting the right months can make your underwater adventure safer, more comfortable, and visually stunning.
In this guide, we’ll explore the best months for scuba diving in Andaman based on weather, along with tips for first-time divers, what to expect underwater, and how to plan your trip for maximum enjoyment.
Understanding Andaman’s Weather Patterns
Before diving into specific months, it’s important to understand the climate of Andaman Islands:
Tropical Climate: Andaman experiences a tropical climate, with warm temperatures year-round, ranging between 23°C to 32°C.
Two Main Seasons:
Dry Season: October to May, characterized by clear skies, calm seas, and low rainfall.
Monsoon Season: June to September, marked by heavy rainfall, strong winds, and rough seas.
Water Temperature: Generally warm, ranging from 26°C to 30°C, making it comfortable for scuba diving with a wetsuit.
Visibility: During the dry season, underwater visibility can reach 20–30 meters, while it reduces significantly during monsoon months.
Understanding these patterns is key to choosing the perfect months for diving.
Why Weather Matters for Scuba Diving
Weather impacts safety, visibility, and marine life spotting during scuba diving:
Safety: Calm seas reduce the risk of strong currents and waves, ensuring safer dives.
Visibility: Clear water allows you to see vibrant corals and exotic marine species.
Marine Life Activity: Certain species are more active in specific months, offering a richer experience.
Comfort: Moderate air and water temperatures prevent discomfort during long dives.
By aligning your trip with favorable weather, you can fully enjoy Andaman’s underwater treasures.
Best Months for Scuba Diving in Andaman

The ideal time for scuba diving in Andaman is during the dry season. Here’s a month-by-month breakdown:
October to November – Start of the Diving Season
Weather: Clear skies, mild temperatures (27°C–30°C), and calm seas.
Visibility: Excellent underwater visibility, around 20–25 meters.
Marine Life: Many species, including clownfish, parrotfish, and reef sharks, are visible.
Advantages: Fewer tourists compared to peak season, more peaceful diving spots.
Tip: Ideal for photographers who want to capture vibrant corals and marine life.
December to February – Peak Diving Season
Weather: Cool, pleasant, and dry with minimal rainfall. Temperatures range from 23°C to 28°C.
Visibility: Optimal, often reaching 30 meters.
Marine Life: Abundance of colorful fish, sea turtles, and occasional manta rays.
Advantages: Stable weather and calm seas make this the safest period for diving.
Tip: Book accommodations and dive packages early, as this is the peak tourist season.
March to May – Pre-Monsoon Season
Weather: Warm and sunny, temperatures rise to 30°C–32°C.
Visibility: Still good, although occasional plankton blooms may slightly reduce clarity.
Marine Life: Migratory species start appearing, adding variety to underwater sightings.
Advantages: Less crowded than December–February, providing a more private diving experience.
Tip: Early morning dives are preferable to avoid afternoon wind or occasional waves.
June to September – Monsoon Season (Not Recommended)
Weather: Heavy rainfall, strong winds, and rough seas.
Visibility: Poor, often less than 10 meters underwater.
Marine Life: Limited sightings due to turbulent waters.
Challenges: Most diving centers close during this period for safety reasons.
Recommendation: Avoid scuba diving during monsoon months; instead, plan for indoor activities or explore the islands’ natural beauty above water.
Factors to Consider When Planning Your Dive Trip
While choosing the right months is crucial, several other factors also influence your experience:
Dive Center Availability: Most professional diving operators operate from October to May. Ensure you book in advance.
Tide and Currents: Check local tide charts, as some dive sites are best visited at low tide or slack water.
Certification Requirements: Beginners should consider PADI-certified centers for safety and guidance.
Equipment: Even in warm waters, a 3mm–5mm wetsuit is recommended for longer dives, especially from October to February.
Recommended Dive Spots Based on Season

Different months may offer slightly different experiences at various dive spots:
Havelock Island (Radhanagar & Elephant Beach)
Best visited: October to May
Highlights: Coral gardens, reef sharks, giant clams
Neil Island
Best visited: December to February
Highlights: Colorful reefs, smaller crowds, calm waters
North and Middle Andaman (Barren & Interview Islands)
Best visited: January to March
Highlights: Rich marine biodiversity, manta rays, exotic fish
Havelock & Surrounding Areas
Best for night dives: November to February
Highlights: Bioluminescent plankton and nocturnal marine life
Additional Tips for a Safe and Enjoyable Dive
Stay Hydrated: Tropical heat can dehydrate you, affecting stamina underwater.
Acclimatize Properly: Allow your body to adjust to the climate before diving.
Listen to Instructors: Follow dive master instructions carefully to ensure safety.
Protect Marine Life: Avoid touching corals or chasing marine creatures.
Capture Memories: Use underwater cameras responsibly to photograph marine life.
Why Andaman Is a Unique Diving Destination
Scuba diving in Andaman is not just about exploring underwater; it’s a complete immersive experience:
Rich Biodiversity: Over 2,500 species of marine life inhabit the Andaman waters.
Vibrant Coral Reefs: Healthy reefs with various coral species offer a stunning visual treat.
Clear Waters: Dry season ensures crystal-clear visibility, perfect for underwater photography.
Adventure and Relaxation: Dive by day and relax on pristine beaches by evening.
Accessibility: Multiple islands and dive centers make planning easy.
Choosing the right months enhances all these experiences, ensuring you enjoy Andaman’s underwater beauty to the fullest.
How to Plan Your Scuba Diving Trip
Select Your Travel Month: Choose from October to May for ideal conditions.
Book Accommodation: Preferably near Havelock, Neil, or North Andaman.
Reserve Diving Packages: Check certifications, equipment, and group sizes.
Plan Dive Itinerary: Include multiple sites, morning dives, and rest days.
Prepare for Travel: Pack wetsuits, sunscreen, reef-safe products, and snorkeling gear.
Stay Updated: Monitor weather forecasts and local advisories.
A well-planned itinerary maximizes safety and enjoyment.
Conclusion
The best months for scuba diving in Andaman are October to May, when the islands enjoy clear skies, calm seas, and optimal underwater visibility. Each period within these months offers unique experiences:
October–November: Peaceful, fewer crowds, excellent visibility.
December–February: Peak season, stable weather, ideal for both beginners and advanced divers.
March–May: Warm pre-monsoon months with vibrant marine life and fewer tourists.
Avoid June to September, as monsoon conditions make diving unsafe. By planning your trip around these months, you ensure a safe, enjoyable, and visually spectacular diving experience.
Whether you’re a first-time diver or an experienced underwater explorer, understanding the weather patterns in Andaman helps you make the most of your scuba adventure. With proper planning, preparation, and timing, your dive in the Andaman Islands will be unforgettable.
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