January weather forecast in Cork

January in Cork is the sunniest month of the year. In January, the weather in Cork is typically cold. Average daily high temperature in January is about 8 degrees above zero. On average, Cork has 17 rainy, 6 sunny, 4 cloudy, and 4 partly cloudy days in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Cork.