Washington County Climate
Washington County, Arkansas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
57.8°F
Annual Precip
48.5"
Annual Snowfall
6.0"
Extreme Heat Days
39
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
4,365
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Washington County
Climate Verdict
Washington County has a mild, with an average annual temperature of 57.8°F, moderately wet with 48.5 inches of annual precipitation, occasional hot days — 39.25 per year above 90°F, light snow averaging 6.0 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 36.5°F. summers are warm — July averages 78.5°F. The 42°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
Washington County is 3.1°F cooler than the Arkansas statewide average of 61.0°F, it is somewhat drier than average for Arkansas, the county experiences 24.86500000000001 fewer extreme heat days than the state average.
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 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.