Sebastian County Climate
Sebastian County, Arkansas
Avg Annual Temp
62.4°F
Annual Precip
47.3"
Annual Snowfall
2.9"
Extreme Heat Days
77.7
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.