January in Vũng Tàu is the coldest month of the year. In January, the weather in Vũng Tàu is typically hot. Average daily high temperature in January is about 28 degrees above zero. On average, Vũng Tàu has 13 cloudy, 10 partly cloudy, 7 sunny, and 1 rainy day in January. January as well as February and March is considered the most comfortable time to visit Vũng Tàu.