February in Jamestown is the cloudiest month of the year. In February, the weather in Jamestown is typically freezing. Average daily high temperature in February is about 7 degrees below zero. On average, Jamestown has 23 cloudy, 3 sunny, 2 snowy, and 1 partly cloudy day in February. The snowfalls are usually moderate. February as well as January, March, April, and November is considered the most uncomfortable time to visit Jamestown.