December weather forecast in Bangor

In December, the weather in Bangor is typically cold. Average daily high temperature in December is about 7 degrees above zero. On average, Bangor has 22 rainy, 4 cloudy, 3 sunny, and 2 partly cloudy days in December. The rains are usually moderate. December as well as January, February, March, and April is considered the most uncomfortable time to visit Bangor.