Alleghany County Climate
Alleghany County, North Carolina
Avg Annual Temp
52.6°F
Annual Precip
57.1"
Annual Snowfall
18.6"
Extreme Heat Days
12.4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.