In June, the weather in Samut Songkhram is typically hot. Average daily high temperature in June is about 33 degrees above zero. On average, Samut Songkhram has 21 rainy, 5 cloudy, 2 sunny, and 2 partly cloudy days in June. The rains are usually heavy. June as well as April, May, July, and August is considered the most uncomfortable time to visit Samut Songkhram.