January in Amsterdam is the coldest month of the year. In January, the weather in Amsterdam is typically cold. Average daily high temperature in January is about 5 degrees above zero. On average, Amsterdam has 20 rainy, 6 cloudy, 4 sunny, and 1 partly cloudy day in January. The rains are usually moderate. January as well as February, October, November, and December is considered the most uncomfortable time to visit Amsterdam.