January in Monteria is the sunniest and the hottest month of the year. In January, the weather in Monteria is typically hot. Average daily high temperature in January is about 31 degrees above zero. On average, Monteria has 24 rainy, 6 sunny, and 1 cloudy day in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Monteria.