Chatham County Climate
Chatham County, North Carolina
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
59.4°F
Annual Precip
45.9"
Annual Snowfall
1.5"
Extreme Heat Days
35
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
4,563
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Chatham County
Climate Verdict
Chatham County has a mild, with an average annual temperature of 59.4°F, moderately wet with 45.9 inches of annual precipitation, occasional hot days — 34.7 per year above 90°F, light snow averaging 1.5 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 40.0°F. summers are warm — July averages 78.6°F. The 39°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
Chatham County closely matches the North Carolina statewide average temperature of 59.3°F, it is also noticeably drier, receiving 5.7 inches less precipitation than the state average.
Climate Profile
About Chatham County Weather
A Warm and Sun-Drenched Interior
Chatham County averages 59.4°F, placing it well above the national median temperature. This humid subtropical climate sees 45.9 inches of rain, which is lower than many of its coastal state neighbors.
The State's Climate Benchmark
Chatham's 59.4°F average is nearly identical to the North Carolina state average of 59.3°F. It serves as a representative example of the typical North Carolina weather experience.
Typical Triangle Area Conditions
Chatham shares a similar profile with its neighbors in the Research Triangle, averaging 35 days of extreme heat. It is slightly warmer than Catawba to the west but avoids the extreme humidity found further east.
Hot July, Very Little Snow
Summer peaks in July with an average of 78.6°F, while January stays above freezing at 40.0°F. Snow is rare in this part of the state, with only 1.5 inches falling annually on average.
Focus on Summer Cooling
With 35 days over 90°F, efficient cooling is the priority for local homeowners. Winter gear can remain light, as snow rarely impacts travel or requires heavy equipment.
Frequently Asked Questions
What is the average temperature in Chatham County?
How much rain does Chatham County get?
Does it snow in Chatham County?
How hot does Chatham County get in summer?
How cold are winters in Chatham County?
Track your own weather in Chatham County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.