January weather forecast in Iwakuni

January in Iwakuni is the windiest and the coldest month of the year. In January, the weather in Iwakuni is typically cold. Average daily high temperature in January is about 7 degrees above zero. On average, Iwakuni has 13 partly cloudy, 8 rainy, 8 sunny, and 2 cloudy days in January. The rains are usually heavy. January as well as February, March, June, and July is considered the most uncomfortable time to visit Iwakuni.