July weather forecast in Mandurah

July in Mandurah is the rainiest and the cloudiest month of the year. In July, the weather in Mandurah is typically warm. Average daily high temperature in July is about 17 degrees above zero. On average, Mandurah has 17 rainy, 9 partly cloudy, and 5 sunny days in July. The rains are usually heavy. July as well as June, August, and September is considered the most uncomfortable time to visit Mandurah.