July weather forecast in Peterborough

July in Peterborough is the rainiest and the warmest month of the year. In July, the weather in Peterborough is typically warm. Average daily high temperature in July is about 21 degrees above zero. On average, Peterborough has 13 rainy, 11 partly cloudy, 4 sunny, and 3 cloudy days in July. The rains are usually moderate.