In April, the weather in Clonakilty is typically warm. Average daily high temperature in April is about 11 degrees above zero. On average, Clonakilty has 14 rainy, 8 partly cloudy, 4 sunny, and 4 cloudy days in April. The rains are usually heavy. April as well as January, February, March, and May is considered the most uncomfortable time to visit Clonakilty.