Giles County Climate
Giles County, Virginia
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
52.6°F
Annual Precip
40.4"
Annual Snowfall
22.7"
Extreme Heat Days
7
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
3,034
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Giles County
Climate Verdict
Giles County has a mild, with an average annual temperature of 52.6°F, moderately wet with 40.4 inches of annual precipitation, rare extreme heat with only 6.5 days above 90°F annually, moderate snowfall of 22.7 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 32.7°F. summers are warm — July averages 71.7°F. The 39°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Giles County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Giles County is 3.6°F cooler than the Virginia statewide average of 56.2°F, it is also noticeably drier, receiving 5.6 inches less precipitation than the state average, the county experiences 21.280464480874294 fewer extreme heat days than the state average.
Climate Profile
About Giles County Weather
Mild Summers and Snowy Winters
Giles County averages 52.6°F annually, making it cooler than the national median. It receives 40.4 inches of precipitation, which is lower than the typical Virginia county.
Well Below the State Average
Giles County is notably cooler than the state average of 55.9°F. This temperature gap is driven by its high-elevation terrain and mountain valley geography.
Less Rainy Than Other Mountain Districts
Compared to Galax city, Giles is much drier, recording about 8 inches less precipitation annually. However, it sees more snow than central Virginia, with 22.7 inches falling each year.
Seven Days of Extreme Heat
Summer heat is manageable here, with only 7 days per year reaching 90°F or higher. Winters are brisk, featuring a January average of 32.7°F and a winter-long average of 34.7°F.
Prepare for Winter Mountain Conditions
Residents should prioritize winter home weatherization to handle the 22.7 inches of annual snow. The mild July average of 71.7°F makes ceiling fans a viable alternative to heavy AC use.
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.