Thailand
Boulder City
About this Dive Site
Description
Boulder City, a renowned Similan Islands gem, features colossal submerged boulders adorned with diverse hard corals. Divers here often witness impressive schools of barracuda and trevallies, with the thrilling possibility of encountering a majestic whale shark.
Best Time to Dive
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 30°C | 30°C | 31°C | 31°C | 30°C | 30°C | 30°C | 30°C | 30°C | 30°C | 30°C | 30°C |
Peak Season
January, February, November, December, March, April, September, October
Jan
Excellent visibility, calm seas, whale shark sightings possible.
Feb
Peak season for manta rays and whale sharks.
Mar
Still good visibility, manta ray sightings continue.
Apr
Warm water, good for macro life.
More monthly highlights
May
Visibility starts to decrease slightly, but still good for many dives.
Jun
Rainy season, occasional rougher seas, but diving is still possible.
Jul
Rainy season, expect some rain showers, but diving is generally good.
Aug
Rainy season, visibility can be affected by plankton blooms.
Sep
End of rainy season, visibility starts to improve.
Oct
Transition to dry season, visibility improving, start of manta season.
Nov
Start of peak season, excellent visibility, manta rays and whale sharks.
Dec
Peak season, ideal conditions for diving with abundant marine life.
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