Chapel Hill Williams, NC Climate

Climate Insight: Chapel Hill Williams, NC

An annual average temperature of 61°F, ranging from a mean daily high of 71°F to a mean daily low of 50°F is what the NOAA 1991–2020 climate normals report for Chapel Hill Williams, North Carolina. July is typically the warmest month of the year, while January is the coldest. That baseline comes from station USW00093785 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.

Beyond temperature, Chapel Hill Williams averages 43.6 inches of precipitation annually, predominantly as rainfall - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 221 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 29 and the first fall freeze near November 5. Turning to energy use, 3,239 heating degree days and 1,652 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Chapel Hill Williams scores 88/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above turn that into a planning tool: expect the mildest highs and lows in the shoulder seasons, July-driven heat at the peak of summer, and January-driven cold at the depth of winter. Every number here is a thirty-year average, not a forecast, so any given year can and does run warmer, cooler, wetter, or drier than the normal.