Wellsville, NY Climate

Climate Insight: Wellsville, NY

An annual average temperature of 45°F, ranging from a mean daily high of 56°F to a mean daily low of 34°F is what the NOAA 1991–2020 climate normals report for Wellsville, New York. July is typically the warmest month of the year, while January is the coldest. That baseline comes from station USC00309072 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.

Wellsville averages 39.7 inches of precipitation a year, with 54.1 inches typically falling as snow, and that matters as much to daily life here as temperature does. The frost-free season averages 140 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 15 and the first fall freeze near October 2. As for energy demand, 7,561 heating degree days and 261 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Wellsville scores 44/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Shoulder seasons bring the mildest highs and lows in the monthly tables above, summer brings July-driven heat, and winter brings January-driven cold - use that rhythm for planning. These figures are thirty-year averages rather than forecasts, so a specific year may still run warmer, cooler, wetter, or drier than what's shown.