Grady County Climate
Grady County, Oklahoma
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
61.7°F
Annual Precip
35.2"
Annual Snowfall
2.7"
Extreme Heat Days
88
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
5,388
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Grady County
Climate Verdict
Grady County has a warm, averaging 61.7°F year-round, moderate rainfall of 35.2 inches per year, significant summer heat with 88.19999999999999 days annually above 90°F, light snow averaging 2.7 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 40.0°F. summers are hot, with July averaging 83.2°F. The 43°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
Grady County closely matches the Oklahoma statewide average temperature of 60.4°F, it is somewhat drier than average for Oklahoma.
Climate Profile
About Grady County Weather
Warmer than the national average
Grady County features a 61.7°F average annual temperature, placing it well above the national median. This humid subtropical climate receives 35.2 inches of annual precipitation, which is slightly lower than the Oklahoma state average.
A warmer pocket in central Oklahoma
With an average temperature of 61.7°F, Grady is warmer than the Oklahoma state average of 60.4°F. It ranks as one of the warmer central counties, reflecting the state's transition toward southern heat.
Drier than eastern neighbors
Grady is slightly warmer than neighboring Hughes County, which averages 61.1°F. Its 35.2 inches of rain makes it notably drier than the lush counties found in eastern Oklahoma.
Long summers and mild winters
Summers are intense with 88 days reaching 90°F or higher and a July average of 83.2°F. Winters remain mild, averaging 41.8°F with only 2.7 inches of annual snowfall.
Prepare for a long cooling season
Residents should maintain HVAC systems to handle nearly three months of extreme summer heat. Low snowfall levels mean winter road preparations are less critical than managing summer energy costs.
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.