October in Khao Lak is the rainiest month of the year. In October, the weather in Khao Lak is typically hot. Average daily high temperature in October is about 28 degrees above zero. On average, Khao Lak has 29 rainy and 2 partly cloudy days in October. The rains are usually heavy. October as well as April, May, June, and July is considered the most uncomfortable time to visit Khao Lak.