In February, the weather in Ferney-Voltaire is typically cold. Average daily high temperature in February is about 3 degrees above zero. On average, Ferney-Voltaire has 19 rainy, 6 sunny, 2 cloudy, and 2 partly cloudy days in February. The rains are usually heavy. February as well as January, March, April, and May is considered the most uncomfortable time to visit Ferney-Voltaire.