When is the best time to visit the Similan Islands?

November to May is the Best time to visit the Similan Islands

The great weather lasts from October until May and is high season on the Similan Islands and in Khao Lak.  The weather is generally calm, the diving is great and getting here and awya is very easy.  During this time, since the wind is blowing from the northeast, behind our protective mountains – the West Coast of Thailand is in their monsoon season!

All dive sites are accesible and the seas are calm. And it gets better! The months of February, March, and April bring the very best weather of the eyar! The seas are  flat, the visibility gets phenomenal. It gives you the impression you are on a lake rather than an ocean or sea. This is the “hot” time and it gets warm,  36 is not unusual.

The Similan Islands are not accessible during June – September

The southwest monsoon weather takes over and this means lots of waves & wind. These come from the southwest and since the Similans face the west, the weather has nothing to stop it! The waves, storms and wind are hitting the Islands directly and make the whole Andaman Sea unsafe.

The region records it’s rain in Meters, and during this time of year – you will know why! On the other hand – that’s why it’s a jungle!