January weather forecast in Coos Bay

In January, the weather in Coos Bay is typically cold. Average daily high temperature in January is about 9 degrees above zero. On average, Coos Bay has 18 rainy, 6 sunny, 5 partly cloudy, and 2 cloudy days in January. The rains are usually heavy. January as well as February, March, April, and November is considered the most uncomfortable time to visit Coos Bay.