July in Takamatsu is the rainiest month of the year. In July, the weather in Takamatsu is typically hot. Average daily high temperature in July is about 28 degrees above zero. On average, Takamatsu has 19 rainy, 6 cloudy, 5 sunny, and 1 partly cloudy day in July. The rains are usually heavy. July as well as February and August is considered the most uncomfortable time to visit Takamatsu.