July weather forecast in Iwaki

July in Iwaki is the rainiest month of the year. In July, the weather in Iwaki is typically warm. Average daily high temperature in July is about 25 degrees above zero. On average, Iwaki has 19 rainy, 6 cloudy, 4 sunny, and 2 partly cloudy 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 Iwaki.