June in Saitama is the rainiest and the cloudiest month of the year. In June, the weather in Saitama is typically warm. Average daily high temperature in June is about 24 degrees above zero. On average, Saitama has 20 rainy, 5 cloudy, 3 sunny, and 2 partly cloudy days in June. The rains are usually heavy. June as well as February, March, July, and August is considered the most uncomfortable time to visit Saitama.