July in Pietermaritzburg is the sunniest and the coldest month of the year. In July, the weather in Pietermaritzburg is typically warm. Average daily high temperature in July is about 19 degrees above zero. On average, Pietermaritzburg has 23 sunny, 5 rainy, and 3 partly cloudy days in July. The rains are usually light. July as well as May and June is considered the most comfortable time to visit Pietermaritzburg.