December in Porto-Novo is the sunniest month of the year. In December, the weather in Porto-Novo is typically hot. Average daily high temperature in December is about 31 degrees above zero. On average, Porto-Novo has 24 sunny, 4 rainy, and 3 partly cloudy days in December. The rains are usually light. December as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Porto-Novo.