February in Triest is the windiest month of the year. In February, the weather in Triest is typically cold. Average daily high temperature in February is about 6 degrees above zero. On average, Triest has 12 rainy, 9 sunny, and 8 partly cloudy days in February. The rains are usually heavy. February as well as January, November, and December is considered the most uncomfortable time to visit Triest.