In April, the weather in Yên Bái is typically warm. Average daily high temperature in April is about 27 degrees above zero. On average, Yên Bái has 23 rainy, 3 cloudy, 2 sunny, and 2 partly cloudy days in April. The rains are usually heavy. April as well as January, March, May, and June is considered the most uncomfortable time to visit Yên Bái.