In November, the weather in Uusikaupunki is typically cold. Average daily high temperature in November is about 4 degrees above zero. On average, Uusikaupunki has 14 rainy, 9 cloudy, 5 partly cloudy, and 2 sunny days in November. The rains are usually moderate. November as well as April, October, and December is considered the most uncomfortable time to visit Uusikaupunki.