July in Burnie is the coldest month of the year. In July, the weather in Burnie is typically warm. Average daily high temperature in July is about 11 degrees above zero. On average, Burnie has 11 rainy, 11 partly cloudy, 8 sunny, and 1 cloudy day in July. The rains are usually heavy. July as well as August and September is considered the most uncomfortable time to visit Burnie.