Port Isabel, Texas — City Overview

Living in Port Isabel, summers are intense — Aug highs average 91.5°F, while winters stay mild, with Feb lows rarely below 56.7°F. At just 34 heating degree days per year, home heating costs are minimal. With 32.1 inches annually, the climate is relatively dry. Within 5 miles: 16 parks, 3 groceries and 33 dining spots. For hospital care, the nearest facility is in a neighboring city. Median household income: $42,601. With a 26.2% poverty rate and 60.7% homeownership, the community reflects a stable residential mix. Nearby cities: Los Fresnos (17mi W), Cameron Park (18mi W), Brownsville (22mi SW). Air quality is Good — avg AQI 46 over the past week.

View Port Isabel city guide

Updated August 12, 2026.

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