Alleghany County Climate
Alleghany County, North Carolina
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
52.6°F
Annual Precip
57.1"
Annual Snowfall
18.6"
Extreme Heat Days
12
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
3,003
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Alleghany County
Climate Verdict
Alleghany County has a mild, with an average annual temperature of 52.6°F, very wet conditions receiving 57.1 inches of precipitation annually, rare extreme heat with only 12.4 days above 90°F annually, light snow averaging 18.6 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 33.4°F. summers are warm — July averages 72.7°F. The 39°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Alleghany County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Alleghany County is 6.7°F cooler than the North Carolina statewide average of 59.3°F, it is also noticeably wetter, receiving 5.5 inches more precipitation than the state average, the county experiences 25.24090136054422 fewer extreme heat days than the state average.
Climate Profile
About Alleghany County Weather
Cooler mountain air
Alleghany County's average temperature of 52.6°F is lower than the national median, reflecting its high-elevation landscape. It receives a robust 57.1 inches of precipitation, making it much wetter than the typical U.S. county.
A cool North Carolina outlier
Alleghany is significantly cooler than the North Carolina average of 59.3°F. Its 18.6 inches of annual snowfall dwarfs the state norm, marking it as one of the state's true mountain environments.
Slightly warmer than its neighbors
Though cold, Alleghany is actually 1.8 degrees warmer on average than nearby Ashe County. It experiences 12 days of extreme heat compared to Ashe's single annual 90°F day.
Long winters and mild summers
Winter dominates the calendar with an average temperature of 34.9°F and 18.6 inches of snow. Summers remain exceptionally pleasant, with July temperatures averaging just 72.7°F.
Prioritize heating and winter prep
High-performance home heating and snow removal equipment are essential for the nearly 19 inches of snow. Conversely, many residents can skip central air conditioning as temperatures rarely exceed 90°F.
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.