Sebastian County Climate
Sebastian County, Arkansas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
62.4°F
Annual Precip
47.3"
Annual Snowfall
2.9"
Extreme Heat Days
78
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
5,500
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Sebastian County
Climate Verdict
Sebastian County has a warm, averaging 62.4°F year-round, moderately wet with 47.3 inches of annual precipitation, significant summer heat with 77.7 days annually above 90°F, light snow averaging 2.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 40.4°F. summers are hot, with July averaging 83.1°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
Sebastian County closely matches the Arkansas statewide average temperature of 61.0°F, it is also noticeably drier, receiving 5.0 inches less precipitation than the state average.
Climate Profile
About Sebastian County Weather
High Heat Levels in Sebastian County
Sebastian County's 62.4°F annual average temperature is well above the national median. It experiences a drier version of the humid subtropical climate with 47.3 inches of rain.
One of the State's Hotspots
Sebastian County is warmer than the Arkansas average of 61.0°F, posting a 62.4°F annual mark. It is also one of the drier counties in the state, falling about five inches short of the state average precipitation.
Drier and Hotter Than Neighbors
Compared to Scott County, Sebastian is over two degrees warmer and significantly drier. It faces 78 extreme heat days per year, far exceeding the 64 days seen in Scott.
Scorching Summers and Brief Winters
The county endures a grueling 78 days of temperatures at or above 90°F, with July averaging 83.1°F. Winters are mild, with a January average of 40.4°F and only 2.9 inches of snow.
Essential Summer Heat Mitigation
With 78 days of extreme heat, high-performance cooling systems and sun protection are vital for residents. Landscaping should account for the relatively lower rainfall of 47.3 inches compared to the rest of the state.
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.