Chesterfield County Climate
Chesterfield County, South Carolina
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
62.4°F
Annual Precip
48.9"
Annual Snowfall
0.1"
Extreme Heat Days
63
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
5,309
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Chesterfield County
Climate Verdict
Chesterfield County has a warm, averaging 62.4°F year-round, moderately wet with 48.9 inches of annual precipitation, significant summer heat with 63.20000000000001 days annually above 90°F, light snow averaging 0.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 43.4°F. summers are hot, with July averaging 80.9°F. The 37°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
Chesterfield County closely matches the South Carolina statewide average temperature of 62.8°F.
Climate Profile
About Chesterfield County Weather
Classic Southern Heat and Humidity
Chesterfield County's 62.4°F annual average reflects a warm climate typical of the American South. It sits well above the national median, providing long growing seasons. The area experiences consistent rainfall throughout the year.
Aligning With the South Carolina Average
With an annual average of 62.4°F, Chesterfield sits right near the state average of 62.8°F. Its 48.9 inches of annual precipitation perfectly matches the South Carolina state norm. This makes the county a representative sample of the state's overall climate.
Cooler and Drier Than Darlington
Chesterfield is slightly cooler than Darlington County, which averages 63.1°F. It also sees 10 fewer extreme heat days than its southeastern neighbor. However, it remains much warmer than the foothills of Cherokee County.
Frequent Heat and Rare Snow
The county endures 63 days of extreme heat annually, with July temperatures averaging 80.9°F. Winter is mild at 45.4°F and provides almost no snow, averaging just 0.1 inches. The heat dominates the calendar from late spring through early autumn.
Prepare for Intense Summer Heat
With 63 days above 90°F, reliable air conditioning is a necessity for residents. Snow gear is rarely needed, as the 0.1-inch average means winter precipitation is almost always rain. Outdoor planning should account for the peak humidity of 80.9°F July averages.
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.