Hartley, TX Climate

Climate Insight: Hartley, TX

The NOAA 1991–2020 climate normals describe Hartley, Texas as a location with an annual average temperature of 56°F, ranging from a mean daily high of 70°F to a mean daily low of 41°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USC00413979, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.

Hartley averages 17.7 inches of precipitation a year, with 14.5 inches typically falling as snow, and that matters as much to daily life here as temperature does. The frost-free season averages 185 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 22 and the first fall freeze near October 24. As for energy demand, 4,558 heating degree days and 1,220 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Hartley scores 68/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above turn that into a planning tool: expect the mildest highs and lows in the shoulder seasons, July-driven heat at the peak of summer, and January-driven cold at the depth of winter. Every number here is a thirty-year average, not a forecast, so any given year can and does run warmer, cooler, wetter, or drier than the normal.