January in May Pen is the sunniest and the coldest month of the year. In January, the weather in May Pen is typically warm. Average daily high temperature in January is about 27 degrees above zero. On average, May Pen has 21 sunny, 6 rainy, and 4 partly cloudy days in January. The rains are usually light. January as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit May Pen.