Smyth County Climate
Smyth County, Virginia
Avg Annual Temp
53.9°F
Annual Precip
48.1"
Annual Snowfall
10.3"
Extreme Heat Days
10.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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
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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.