Vientiane Climate and Weather
Vientiane has a tropical monsoon climate with short, dry winters that last between December and January. Winter minimum temperatures rarely drop below 60°F (16°C). The warmest time of year (March to the beginning of May) sees maximum temperatures peak around 91°F (33°C) and minimum temperatures rarely drop below 68°F (20°C). The rainy season lasts from April to October, with thunderstorms being the most common form of precipitation. The city generally has very high humidity levels and muggy conditions throughout the long wet season. The best time to visit Vientiane is in its mild winters.