Greenwood County Climate
Greenwood County, South Carolina
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
62.0°F
Annual Precip
43.9"
Annual Snowfall
0.7"
Extreme Heat Days
58
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
5,143
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Greenwood County
Climate Verdict
Greenwood County has a warm, averaging 62.0°F year-round, moderately wet with 43.9 inches of annual precipitation, occasional hot days — 57.9 per year above 90°F, light snow averaging 0.7 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 43.3°F. summers are hot, with July averaging 80.3°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
Greenwood County closely matches the South Carolina statewide average temperature of 62.8°F, it is somewhat drier than average for South Carolina.
Climate Profile
About Greenwood County Weather
Consistently warm Piedmont climate
Greenwood County's 62.0°F average temperature is well above the national median. This climate supports a long outdoor season with a relatively mild year-round feel.
Slightly cooler and drier than average
The county is 0.8 degrees cooler than the South Carolina average of 62.8°F. It also receives 43.9 inches of rain, which is five inches less than the state average of 48.9 inches.
One of the region's drier spots
Compared to the state average, Greenwood is noticeably drier with only 43.9 inches of annual precipitation. Its 62.0°F temperature makes it a standard representative of the lower Piedmont region.
Hot Julys and crisp winters
Residents face 58 days of extreme heat per year, with July averaging 80.3°F. Winter is mild but cool at 45.1°F, bringing a light 0.7 inches of annual snow.
Plan for a drier environment
The 43.9 inches of annual rain means water management is more important here than in wetter coastal counties. Prepare for nearly two months of 90-degree days during the peak summer season.
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.