January in Boca Chica is the sunniest and the coldest month of the year. In January, the weather in Boca Chica is typically hot. Average daily high temperature in January is about 28 degrees above zero. On average, Boca Chica has 22 sunny, 5 rainy, and 4 partly cloudy days in January. The rains are usually light. January as well as February is considered the most comfortable time to visit Boca Chica.