February in Rotterdam is the windiest month of the year. In February, the weather in Rotterdam is typically cold. Average daily high temperature in February is about 6 degrees above zero. On average, Rotterdam has 12 rainy, 6 cloudy, 6 partly cloudy, and 5 sunny days in February. The rains are usually moderate. February as well as January, March, October, and November is considered the most uncomfortable time to visit Rotterdam.