July weather forecast in Irvine

July in Irvine is the warmest month of the year. In July, the weather in Irvine is typically warm. Average daily high temperature in July is about 16 degrees above zero. On average, Irvine has 26 rainy and 5 sunny days in July. The rains are usually heavy. July as well as January, February, March, and April is considered the most uncomfortable time to visit Irvine.