Greenwood, SC Climate

Climate Insight: Greenwood, SC

In Greenwood, South Carolina, the NOAA 1991–2020 climate normals put the annual average temperature at 63°F, ranging from a mean daily high of 74°F to a mean daily low of 51°F. July is typically the warmest month of the year, while January is the coldest. As thirty-year averages computed from 2 weather stations, these numbers smooth out year-to-year noise into a working baseline for a typical month.

Greenwood averages an uncharted amount of precipitation a year, predominantly as rainfall, and that matters as much to daily life here as temperature does. The frost-free season averages 231 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 26 and the first fall freeze near November 12. As for energy demand, 2,744 heating degree days and 1,960 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Greenwood scores 73/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings July-driven heat, and deep winter brings January-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.