January in Mérida is the cloudiest and the coldest month of the year. In January, the weather in Mérida is typically warm. Average daily high temperature in January is about 13 degrees above zero. On average, Mérida has 10 sunny, 8 rainy, 7 partly cloudy, and 6 cloudy days in January. The rains are usually moderate. January as well as December is considered the most uncomfortable time to visit Mérida.