Greenville County Climate
Greenville County, South Carolina
Avg Annual Temp
59.4°F
Annual Precip
57.1"
Annual Snowfall
3.0"
Extreme Heat Days
34.53333333333333
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Greenville County Weather
Moderate temperatures and high rain
Greenville County averages 59.4°F, which is closer to the national median than its coastal counterparts. However, its 57.1 inches of annual rain is significantly higher than the national average.
The cooler side of South Carolina
Greenville is much cooler than the state average of 62.8°F, sitting 3.4 degrees below the mean. It is also one of the state's wettest counties, exceeding the average rainfall by over 8 inches.
Wettest in the Upstate region
With 57.1 inches of annual rain, Greenville outpaces most of its neighbors in precipitation. Its 59.4°F temperature makes it a refreshing mountain-adjacent alternative to the hot Midlands.
True winters and mild summers
Summer is more manageable here with only 35 days above 90°F. Winter brings the state's most significant snow at 3.0 inches annually, with a chilly January average of 40.7°F.
Prepare for snow and downpours
Unlike much of the state, Greenville residents need snow shovels for the 3.0-inch annual average. Waterproofing is essential given the heavy 57.1 inches of rain that falls throughout the year.
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.