June in Chiangmaj is the cloudiest month of the year. In June, the weather in Chiangmaj is typically hot. Average daily high temperature in June is about 29 degrees above zero. On average, Chiangmaj has 29 rainy and 1 cloudy day in June. The rains are usually heavy. June as well as May, July, August, and September is considered the most uncomfortable time to visit Chiangmaj.