January weather forecast in Penzance

January in Penzance is the cloudiest month of the year. In January, the weather in Penzance is typically cold. Average daily high temperature in January is about 9 degrees above zero. On average, Penzance has 19 rainy, 6 cloudy, 4 partly cloudy, and 2 sunny days in January. The rains are usually heavy. January as well as February, March, April, and October is considered the most uncomfortable time to visit Penzance.