Greenwood County Climate
Greenwood County, South Carolina
Avg Annual Temp
62.0°F
Annual Precip
43.9"
Annual Snowfall
0.7"
Extreme Heat Days
57.9
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.