December in Can Tho is the coldest month of the year. In December, the weather in Can Tho is typically hot. Average daily high temperature in December is about 28 degrees above zero. On average, Can Tho has 20 rainy, 7 cloudy, 3 sunny, and 1 partly cloudy day in December. The rains are usually heavy. December as well as April, May, June, and July is considered the most uncomfortable time to visit Can Tho.