July in Birmingham is the rainiest and the warmest month of the year. In July, the weather in Birmingham is typically warm. Average daily high temperature in July is about 19 degrees above zero. On average, Birmingham has 23 rainy, 4 sunny, 2 cloudy, and 2 partly cloudy days in July. The rains are usually moderate. July as well as January, February, April, and June is considered the most uncomfortable time to visit Birmingham.