June in Lào Cai is the cloudiest month of the year. In June, the weather in Lào Cai is typically hot. Average daily high temperature in June is about 28 degrees above zero. On average, Lào Cai has 21 rainy, 8 cloudy, and 1 sunny day in June. The rains are usually moderate. June as well as July and August is considered the most uncomfortable time to visit Lào Cai.