Port Mansfield, Texas — City Overview

Living in Port Mansfield, summers are intense — Aug highs average 90.6°F, while winters stay mild, with Feb lows rarely below 55.8°F. At just 108 heating degree days per year, home heating costs are minimal. With 37.4 inches annually, the climate is relatively dry. Median household income: $23,523. With a 18.2% poverty rate and 83.6% homeownership, the community reflects a stable residential mix. Nearby cities: Raymondville (23mi W), Lyford (25mi W), Harlingen (30mi SW). Air quality is Good — avg AQI 41 over the past week.

View Port Mansfield city guide

Updated August 12, 2026.

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