July in Blairgowrie is the warmest month of the year. In July, the weather in Blairgowrie is typically warm. Average daily high temperature in July is about 16 degrees above zero. On average, Blairgowrie has 21 rainy, 4 sunny, 3 cloudy, and 3 partly cloudy days in July. The rains are usually moderate. July as well as January, February, March, and April is considered the most uncomfortable time to visit Blairgowrie.