Sherman County Climate
Sherman County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
56.5°F
Annual Precip
17.1"
Annual Snowfall
17.4"
Extreme Heat Days
71
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
4,112
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Sherman County
Climate Verdict
Sherman County has a mild, with an average annual temperature of 56.5°F, semi-arid conditions with only 17.1 inches of annual precipitation, significant summer heat with 70.5 days annually above 90°F, light snow averaging 17.4 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 35.6°F. summers are warm — July averages 78.9°F. The 43°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Sherman County is 9.0°F cooler than the Texas statewide average of 65.5°F, it is also noticeably drier, receiving 14.8 inches less precipitation than the state average, the county experiences 34.341873382675814 fewer extreme heat days than the state average.
Climate Profile
About Sherman County Weather
A Cool High Plains Climate
Sherman County's 56.5°F annual average is very close to the national median of 55°F. This makes it one of the few Texas counties with a climate profile similar to the central United States.
One of the Coldest Texas Counties
The county's average temperature is a full 9 degrees cooler than the Texas state average of 65.5°F. It is also quite dry, receiving 14.8 inches less rain than the state average.
The Snow Capital of the Region
At 17.4 inches of annual snow, Sherman County far exceeds the snowfall of almost any other region in Texas. It experiences only 71 extreme heat days, the lowest in this group.
Frigid Winters and Mild Summers
Winter temperatures average a cold 36.7°F, while July peaks at 78.9°F. The 17.4 inches of snow and 71 heat days create the most balanced seasonal profile in the state.
Winter Readiness is Key Here
Residents must invest in heavy winter gear and snow removal equipment to handle the 17.4 inches of annual snowfall. Energy costs will be split between winter heating and summer cooling.
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.