December in Đông Hà is the rainiest and the windiest month of the year. In December, the weather in Đông Hà is typically warm. Average daily high temperature in December is about 22 degrees above zero. On average, Đông Hà has 29 rainy and 2 sunny days in December. The rains are usually heavy. December as well as January, July, August, and September is considered the most uncomfortable time to visit Đông Hà.