March in Biên Hòa is the windiest, the sunniest, and the hottest month of the year. In March, the weather in Biên Hòa is typically hot. Average daily high temperature in March is about 34 degrees above zero. On average, Biên Hòa has 13 cloudy, 9 partly cloudy, 5 sunny, and 4 rainy days in March. The rains are usually light.