February in Bialystok is the windiest month of the year. In February, the weather in Bialystok is typically cold. Average daily high temperature in February is about 1 degree above zero. On average, Bialystok has 12 cloudy, 9 partly cloudy, 4 rainy, 2 snowy, and 2 sunny days in February. The rains are usually moderate. February as well as January, March, April, and October is considered the most uncomfortable time to visit Bialystok.