Adair County Climate
Adair County, Oklahoma
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
59.1°F
Annual Precip
49.8"
Annual Snowfall
—
Extreme Heat Days
43
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
4,577
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Adair County
Climate Verdict
Adair County has a mild, with an average annual temperature of 59.1°F, moderately wet with 49.8 inches of annual precipitation, occasional hot days — 43.1 per year above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 37.7°F. summers are warm — July averages 78.9°F. The 41°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
Adair County closely matches the Oklahoma statewide average temperature of 60.4°F, it is also noticeably wetter, receiving 12.6 inches more precipitation than the state average, the county experiences 33.31094907407411 fewer extreme heat days than the state average.
Climate Profile
About Adair County Weather
A Mild Climate with Abundant Moisture
Adair County maintains an average annual temperature of 59.1°F, which sits significantly higher than the national median. This humid subtropical climate receives 49.8 inches of annual precipitation, making it one of the wetter regions in the country.
Cooler and Wetter Than the Oklahoma Average
While Oklahoma averages 60.4°F annually, Adair County stays slightly cooler at 59.1°F. It stands out in the state for its rainfall, exceeding the Oklahoma average of 37.2 inches by over a foot each year.
The Lush Corner of Eastern Oklahoma
Adair County is characterized by higher precipitation levels than many of its western neighbors. While nearby counties face more intense dry spells, Adair's 49.8 inches of rain supports a much greener landscape.
Temperate Summers and Brisk Winters
Residents experience 43 extreme heat days per year where temperatures reach 90°F or higher, which is relatively low for Oklahoma. July averages a manageable 78.9°F, while January temperatures typically dip to 37.7°F; snowfall records are currently limited for this area.
Prepare for Rain and Moderate Heat
Homeowners should prioritize high-capacity gutter systems to handle the nearly 50 inches of annual rainfall. While summer heat is less frequent than in central Oklahoma, efficient cooling is still essential for the 43 days of extreme heat.
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.