July in Fukushima is the rainiest month of the year. In July, the weather in Fukushima is typically warm. Average daily high temperature in July is about 25 degrees above zero. On average, Fukushima has 20 rainy, 5 cloudy, 4 partly cloudy, and 2 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 Fukushima.