Dallam County Climate
Dallam County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
56.4°F
Annual Precip
16.6"
Annual Snowfall
12.7"
Extreme Heat Days
80
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
4,069
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Dallam County
Climate Verdict
Dallam County has a mild, with an average annual temperature of 56.4°F, semi-arid conditions with only 16.6 inches of annual precipitation, significant summer heat with 80.3 days annually above 90°F, light snow averaging 12.7 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 34.6°F. summers are warm — July averages 78.9°F. The 44°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.
Regional Context
Dallam County is 9.1°F cooler than the Texas statewide average of 65.5°F, it is also noticeably drier, receiving 15.3 inches less precipitation than the state average, the county experiences 24.541873382675817 fewer extreme heat days than the state average.
Climate Profile
About Dallam County Weather
Mirroring the National Temperature Median
Dallam County averages 56.4°F annually, which is very close to the national median temperature. It is one of the few places in Texas that mirrors a more standard U.S. climate profile.
The Coldest Reach of Texas
It is the coldest county in this set, sitting nearly 10 degrees below the Texas state average of 65.5°F. Its Panhandle location creates a distinct climate compared to the rest of the state.
Extreme Snowfall for the Region
It receives a substantial 12.7 inches of snow, which is vastly more than any other county in this group. Rainfall is sparse, however, totaling only 16.6 inches per year.
Harsh Winters and Milder Summers
Winters are harsh for Texas, with a January average of 34.6°F and significant snowfall. Even summers are milder, with 80 days over 90°F compared to the 100+ days typical elsewhere.
Prepare for Snow and Cold
Prioritize home insulation and snow removal equipment, as the 12.7 inches of snow is a real factor. Ensure HVAC systems can handle temperatures that average 36.5°F throughout the winter.
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.