Planning for the weather is a good way to make your trip to Ko Kho Khao relaxing and enjoyable, especially when you’re splurging. The hottest months are usually March and April, with an average temperature of 27°C, while the coldest months are January and February, with an average of 26°C. The rainiest months in Ko Kho Khao are September, October, July and August, with each month seeing an average of 373 mm of rainfall.