Addison, NY Climate

Climate Insight: Addison, NY

Addison, New York runs an annual average of 47°F, ranging from a mean daily high of 59°F to a mean daily low of 35°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while January is the coldest. Drawn from station USC00300023, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.

Addison averages 36.0 inches of precipitation a year, with 48.2 inches typically falling as snow, and that matters as much to daily life here as temperature does. The frost-free season averages 144 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 14 and the first fall freeze near October 5. As for energy demand, 7,053 heating degree days and 395 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Addison scores 59/100 (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.