July in Limerick is the rainiest, the cloudiest, and the warmest month of the year. In July, the weather in Limerick is typically warm. Average daily high temperature in July is about 17 degrees above zero. On average, Limerick has 27 rainy, 2 sunny, and 2 cloudy days in July. The rains are usually moderate. July as well as January, February, March, and April is considered the most uncomfortable time to visit Limerick.