Hill County Climate
Hill County, Texas
Avg Annual Temp
66.1°F
Annual Precip
38.0"
Annual Snowfall
0.4"
Extreme Heat Days
104.9
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Hill County Weather
Hill County's Temperate North-Central Climate
With an annual average of 66.1°F, Hill County is warmer than the national median but typical for the southern U.S. It transitions between humid and semi-arid climate zones.
Mirroring the Broader Texas Average
The county's 66.1°F average temperature sits just above the Texas state average of 65.5°F. It experiences more rainfall than the state average, receiving 38.0 inches annually compared to 31.9 inches.
Standard Heat Patterns for Central Texas
Hill County records 105 extreme heat days annually, aligning with its neighbors in the Interstate 35 corridor. This puts it squarely in the middle of regional heat trends.
Hot Summers and Brisk Winters
July averages reach 84.4°F, while January temperatures drop to a cool 46.5°F. The county sees very little snow, averaging only 0.4 inches per year.
Managing Seasonal Weather Extremes
Heavy-duty cooling is required for the 105 days over 90°F each year. Homeowners should also prepare for 38 inches of rain, which often arrives in concentrated spring storms.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.