Sebastian, Texas — City Overview

Living in Sebastian, summers are intense — Aug highs average 96.5°F, while winters stay mild, with Feb lows rarely below 54.5°F. At just 51 heating degree days per year, home heating costs are minimal. With 32.6 inches annually, the climate is relatively dry. Median household income: $23,099. With a 33.7% poverty rate and 71.1% homeownership, the community reflects a stable residential mix. Nearby cities: Raymondville (10mi N), Harlingen (12mi SE), Elsa (13mi W). Air quality is Good — avg AQI 47 over the past week.

View Sebastian city guide

Updated August 18, 2026.

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