Durham County Climate
Durham County, North Carolina
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
58.3°F
Annual Precip
48.6"
Annual Snowfall
—
Extreme Heat Days
40
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
4,272
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Durham County
Climate Verdict
Durham County has a mild, with an average annual temperature of 58.3°F, moderately wet with 48.6 inches of annual precipitation, occasional hot days — 40.2 per year above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 38.4°F. summers are warm — July averages 77.9°F. The 40°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Durham County closely matches the North Carolina statewide average temperature of 59.3°F, it is somewhat drier than average for North Carolina.
Climate Profile
About Durham County Weather
A Standard Piedmont National Profile
Durham's 58.3°F average temperature sits just below the state average but remains above the national median. The climate is characterized by humid summers and relatively mild winters.
Just Below the North Carolina Average
Durham’s annual temperature of 58.3°F is exactly one degree cooler than the North Carolina state average. It represents the typical climate of the central Piedmont region.
Higher Rainfall Than Central Neighbors
The county's 48.6 inches of rain is higher than Davidson’s 45.5 inches. While local snowfall data is limited, its 40 extreme heat days are identical to Edgecombe's count.
Cool Winters and Humid Summer Peaks
Januarys average a cool 38.4°F, while July brings an average of 77.9°F. Summer humidity is a major factor during the 40 days that top 90°F.
Maintain Cooling and Rain Prep
Focus on air conditioning maintenance to survive the 40 days of extreme summer heat. Residents should also plan for a wet climate given the 48.6 inches of annual rainfall.
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.