July in Boca Chica is the rainiest month of the year. In July, the weather in Boca Chica is typically hot. Average daily high temperature in July is about 29 degrees above zero. On average, Boca Chica has 27 rainy, 2 sunny, and 2 partly cloudy days in July. The rains are usually heavy. July as well as April, May, June, and August is considered the most uncomfortable time to visit Boca Chica.