June in Luangprabang is the cloudiest month of the year. In June, the weather in Luangprabang is typically hot. Average daily high temperature in June is about 29 degrees above zero. On average, Luangprabang has 30 rainy days in June. The rains are usually heavy. June as well as May, July, August, and September is considered the most uncomfortable time to visit Luangprabang.