July weather forecast in Callander

July in Callander is the rainiest and the warmest month of the year. In July, the weather in Callander is typically warm. Average daily high temperature in July is about 14 degrees above zero. On average, Callander has 30 rainy and 1 sunny day in July. The rains are usually heavy. July as well as January, February, March, and April is considered the most uncomfortable time to visit Callander.