January in Trinidad is the sunniest and the hottest month of the year. In January, the weather in Trinidad is typically hot. Average daily high temperature in January is about 29 degrees above zero. On average, Trinidad has 15 sunny, 8 rainy, and 8 partly cloudy days in January. The rains are usually heavy. January as well as February, June, July, and August is considered the most uncomfortable time to visit Trinidad.