1 of the greatest things about taking a Corpus Christi, Texas holiday is the weather! It's normally sunny and warm all year very long. In the summer, the common great is in the higher 90's, but that's no issue when investing time on the beach and in the water. The soothing ocean breeze provides some relief throughout the hottest months. Know the best matter about the climate in Corpus Christi, TX? Even the coolest months of the yr have highs in the mid 60's.