November in Portlaoise is the sunniest month of the year. In November, the weather in Portlaoise is typically cold. Average daily high temperature in November is about 8 degrees above zero. On average, Portlaoise has 19 rainy, 6 sunny, and 5 cloudy days in November. The rains are usually moderate. November as well as January, February, March, and April is considered the most uncomfortable time to visit Portlaoise.