July in Pathum Thani is the rainiest month of the year. In July, the weather in Pathum Thani is typically hot. Average daily high temperature in July is about 30 degrees above zero. On average, Pathum Thani has 31 rainy 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 Pathum Thani.