In February, the weather in Passau is typically cold. Average daily high temperature in February is about 4 degrees above zero. On average, Passau has 7 rainy, 7 sunny, 7 cloudy, 7 partly cloudy, and 1 snowy day in February. The rains are usually heavy. February as well as January, March, October, and November is considered the most uncomfortable time to visit Passau.