August in Kowloon is the hottest month of the year. In August, the weather in Kowloon is typically hot. Average daily high temperature in August is about 30 degrees above zero. On average, Kowloon has 27 rainy and 4 sunny days in August. The rains are usually heavy. August as well as April, May, June, and July is considered the most uncomfortable time to visit Kowloon.