January in New Bern is the coldest month of the year. In January, the weather in New Bern is typically cold. Average daily high temperature in January is about 9 degrees above zero. On average, New Bern has 11 sunny, 11 partly cloudy, 7 rainy, and 2 cloudy days in January. The rains are usually heavy. January as well as June, July, and August is considered the most uncomfortable time to visit New Bern.