January in Monrovia is the sunniest month of the year. In January, the weather in Monrovia is typically hot. Average daily high temperature in January is about 28 degrees above zero. On average, Monrovia has 25 sunny and 6 rainy 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 Monrovia.