Smyth County Climate
Smyth County, Virginia
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
53.9°F
Annual Precip
48.1"
Annual Snowfall
10.3"
Extreme Heat Days
11
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
3,322
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Smyth County
Climate Verdict
Smyth County has a mild, with an average annual temperature of 53.9°F, moderately wet with 48.1 inches of annual precipitation, rare extreme heat with only 10.5 days above 90°F annually, light snow averaging 10.3 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 33.7°F. summers are warm — July averages 73.1°F. The 39°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Smyth County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Smyth County closely matches the Virginia statewide average temperature of 56.2°F, it is somewhat wetter than average for Virginia, the county experiences 17.280464480874294 fewer extreme heat days than the state average.
Climate Profile
About Smyth County Weather
A Temperate Climate in the Highlands
Smyth County maintains an average annual temperature of 53.9°F, placing it right in line with the national median for temperate zones. While its temperature is typical for the U.S., its annual precipitation of 48.1 inches is higher than many other mid-latitude counties.
Cooler Than the Virginia Average
Smyth County sits roughly 2 degrees cooler than the Virginia state average of 55.9°F. This lower temperature profile reflects its high-elevation position in the Blue Ridge Mountains compared to the warmer coastal plains.
Milder Than Its Neighbors to the West
Compared to neighboring Tazewell County, which averages just 51.4°F, Smyth County enjoys slightly milder conditions. However, it receives nearly 48 inches of rain, making it wetter than some of its northern Shenandoah Valley neighbors.
Moderate Summers and Snowy Winters
Summers are comfortable with a July average of 73.1°F and only 11 days per year reaching 90°F. Winters bring a significant 10.3 inches of snowfall and an average January temperature of 33.7°F.
Preparedness for Mountain Weather
Residents should prioritize efficient home heating, as winter lows frequently dip during the December to February season. Given the 48 inches of annual rain, high-quality drainage systems and reliable rain gear are essential for local life.
Frequently Asked Questions
What is the average temperature in Smyth County?
How much rain does Smyth County get?
Does it snow in Smyth County?
How hot does Smyth County get in summer?
How cold are winters in Smyth County?
Track your own weather in Smyth County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.