June in May Pen is the cloudiest month of the year. In June, the weather in May Pen is typically hot. Average daily high temperature in June is about 29 degrees above zero. On average, May Pen has 22 rainy, 6 sunny, 1 cloudy, and 1 partly cloudy day in June. The rains are usually heavy. June as well as May, July, August, and September is considered the most uncomfortable time to visit May Pen.