February in Karlovy Vary is the windiest month of the year. In February, the weather in Karlovy Vary is typically cold. Average daily high temperature in February is about 1 degree above zero. On average, Karlovy Vary has 10 cloudy, 7 partly cloudy, 5 sunny, 4 rainy, and 3 snowy days in February. The rains are usually moderate. February as well as January, March, April, and May is considered the most uncomfortable time to visit Karlovy Vary.