Hill County Climate
Hill County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
66.1°F
Annual Precip
38.0"
Annual Snowfall
0.4"
Extreme Heat Days
105
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8b
Minimum winter temperature range for plant survival
6,434
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Hill County
Climate Verdict
Hill County has a warm, averaging 66.1°F year-round, moderate rainfall of 38.0 inches per year, significant summer heat with 104.9 days annually above 90°F, light snow averaging 0.4 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 46.5°F. summers are hot, with July averaging 84.4°F. The 38°F seasonal variation provides noticeable but manageable change. January is typically the coldest month and August the warmest.
Outdoor & Gardening Guidance
Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.
Regional Context
Hill County closely matches the Texas statewide average temperature of 65.5°F, it is also noticeably wetter, receiving 6.2 inches more precipitation than the state average.
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 sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.