August in Obuasi is the coldest month of the year. In August, the weather in Obuasi is typically warm. Average daily high temperature in August is about 25 degrees above zero. On average, Obuasi has 30 rainy and 1 cloudy day in August. The rains are usually heavy. August as well as February, March, April, and May is considered the most uncomfortable time to visit Obuasi.