July weather forecast in Biella

July in Biella is the warmest month of the year. In July, the weather in Biella is typically warm. Average daily high temperature in July is about 19 degrees above zero. On average, Biella has 25 rainy, 3 sunny, and 3 partly cloudy days in July. The rains are usually heavy. July as well as April, May, June, and August is considered the most uncomfortable time to visit Biella.