January in Trinidad is the coldest month of the year. In January, the weather in Trinidad is typically cold. Average daily high temperature in January is about 5 degrees above zero. On average, Trinidad has 19 sunny, 7 partly cloudy, 4 snowy, and 1 cloudy day in January. The snowfalls are usually light. January as well as February, July, August, and December is considered the most uncomfortable time to visit Trinidad.