Edinburg, TX Climate

Climate Insight: Edinburg, TX

In Edinburg, Texas, the NOAA 1991–2020 climate normals put the annual average temperature at 75°F, ranging from a mean daily high of 86°F to a mean daily low of 64°F. August is typically the warmest month of the year, while January is the coldest. As thirty-year averages computed from 2 weather stations, these numbers smooth out year-to-year noise into a working baseline for a typical month.

Edinburg averages 23.6 inches of precipitation a year, predominantly as rainfall, and that matters as much to daily life here as temperature does. The frost-free season averages 336 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near January 21 and the first fall freeze near December 23. As for energy demand, 644 heating degree days and 4,270 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Edinburg scores 95/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Use the monthly tables above to plan around specific windows, shoulder seasons for mild highs and lows, peak summer for August-driven heat, or deep winter for January-driven cold. All figures here are thirty-year averages: any single year may run warmer, wetter, drier, or cooler than the normal, so treat them as planning guidance rather than forecasts.