February in Falmouth is the coldest month of the year. In February, the weather in Falmouth is typically cold. Average daily high temperature in February is about 9 degrees above zero. On average, Falmouth has 14 rainy, 7 cloudy, 6 partly cloudy, and 2 sunny 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 Falmouth.