Washington County Climate
Washington County, Arkansas
Avg Annual Temp
57.8°F
Annual Precip
48.5"
Annual Snowfall
6.0"
Extreme Heat Days
39.25
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Washington County Weather
Cooler and Drier Than the Average
Washington County has an annual average temperature of 57.8°F, making it one of the cooler regions in the state. It also receives 48.5 inches of rain, which is lower than the Arkansas average.
The Cooler Side of Arkansas
The county sits 3.2 degrees below the state average temperature of 61.0°F. It is also significantly drier than the state average, receiving nearly 4 inches less precipitation annually.
Northwest Arkansas Weather Patterns
Compared to White County, Washington County is much more temperate, with only 39 extreme heat days versus White's 76. It also sees more snow, averaging 6.0 inches per year.
Cold Winters and Managed Summers
Winters feature a January average of 36.5°F, while summers are relatively mild for Arkansas at 76.7°F. The county averages only 39 days of temperatures above 90°F.
Ready for Snow and Moderate Heat
Residents should keep snow shovels ready for the 6 inches of annual snowfall. The moderate number of extreme heat days makes this county ideal for outdoor recreation compared to southern Arkansas.
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.