June in Lai Châu is the cloudiest month of the year. In June, the weather in Lai Châu is typically warm. Average daily high temperature in June is about 27 degrees above zero. On average, Lai Châu has 29 rainy and 1 sunny 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 Lai Châu.