Wylie, Texas — City Overview

Living in Wylie, summers are intense — Aug highs average 94.5°F, while winters are cool, with Feb lows hovering around 38.8°F. With 1851 heating degree days annually, heating costs are moderate. Annual rainfall reaches 57.4 inches, mostly summer thunderstorms. Median household income: $109,465. With a 5.7% poverty rate and 76.7% homeownership, the community reflects a stable residential mix. Air quality is Moderate — avg AQI 54 over the past week.

View Wylie city guide

Updated August 26, 2026.

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