February in Flensburg is the windiest month of the year. In February, the weather in Flensburg is typically cold. Average daily high temperature in February is about 4 degrees above zero. On average, Flensburg has 9 partly cloudy, 8 rainy, 7 cloudy, 4 sunny, and 1 snowy day in February. The rains are usually moderate. February as well as January, March, April, and October is considered the most uncomfortable time to visit Flensburg.