Washington County Climate
Washington County, Virginia
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
54.7°F
Annual Precip
47.3"
Annual Snowfall
—
Extreme Heat Days
7
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
3,501
Supports most vegetables & fruits
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 54.7°F, moderately wet with 47.3 inches of annual precipitation, rare extreme heat with only 7.4 days above 90°F annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 34.5°F. summers are warm — July averages 73.5°F. The 39°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Washington County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Washington County closely matches the Virginia statewide average temperature of 56.2°F, the county experiences 20.380464480874295 fewer extreme heat days than the state average.
Climate Profile
About Washington County Weather
Moderate Temperatures in the Mountains
Washington County's average annual temperature of 54.7°F sits right near the national median. This creates a temperate climate with four distinct, well-defined seasons for residents.
Cooler than the Virginia Average
The county is 1.2 degrees cooler than the Virginia state average of 55.9°F. It receives 47.3 inches of precipitation annually, which is slightly higher than the state average of 45.7 inches.
More Rain than Central Neighbors
While temperature profiles are similar to nearby mountain areas, Washington County is wetter than Winchester city by nearly 7 inches. This moisture supports the lush landscapes found throughout the Southwest Virginia region.
Mild Summers and Crisp Winters
July averages a comfortable 73.5°F with only 7 days of extreme heat reaching 90°F or above. Winter temperatures average 36.5°F from December to February, providing a traditional cold season without extreme coastal humidity.
Prepare for Rainy Days
With 47.3 inches of rain, residents should invest in high-quality rain gear and ensure home drainage is clear. The mild July average means summer cooling costs remain lower than in Virginia's coastal plains.
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.