In February, the weather in Passau is typically cold. Average daily high temperature in February is about 2 degrees above zero. On average, Passau has 13 cloudy, 7 rainy, 5 sunny, 2 snowy, and 2 partly cloudy days in February. The rains are usually light. February as well as January, March, April, and November is considered the most uncomfortable time to visit Passau.