Dien Bien's Climate
Set in the Muong Thanh basin of Vietnam's northwest, Dien Bien has a mountain tropical-monsoon climate with two clear seasons. The rainy season (April–September) is hot and humid with frequent downpours and thunderstorms, while the dry season (October–March) brings sunny days but thick early-morning fog blanketing the valley floor and chilly nights. Day-to-night temperature swings are large, especially late in the year. This page offers an hourly and 14-day forecast plus detailed metrics like humidity, wind, UV and AQI.