If you planning to travel to Ko Similan National Park, Thailand, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 11:46 PM. The temperature feels like 84.55000000000001 with a humidity level of 71 so dress accordingly. Cloud coverage is 0 percent with visibility at 14.9 percent. Today’s UV index is 9, don’t forget the sunscreen if you need it! Today’s winds are traveling east at a speed of 12 MPH. At the end of the day don’t miss the sunset at 11:31 AM.