August in Kassala is the rainiest month of the year. In August, the weather in Kassala is typically hot. Average daily high temperature in August is about 35 degrees above zero. On average, Kassala has 17 partly cloudy, 9 sunny, 3 cloudy, and 2 rainy days in August. The rains are usually light. August as well as March, April, May, and June is considered the most uncomfortable time to visit Kassala.