Kewaunee, WI Climate

Climate Insight: Kewaunee, WI

Kewaunee, Wisconsin runs an annual average of 44°F, ranging from a mean daily high of 52°F to a mean daily low of 37°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 USC00474195, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.

Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Kewaunee receives roughly 31.1 inches of precipitation each year, with 48.1 inches typically falling as snow. The frost-free season averages 170 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 1 and the first fall freeze near October 18. For energy use, 7,816 heating degree days and 324 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Kewaunee scores 49/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Use the monthly tables above to plan around specific windows, shoulder seasons for mild highs and lows, peak summer for July-driven heat, or deep winter for January-driven cold. All figures here are thirty-year averages: any single year may run warmer, wetter, drier, or cooler than the normal, so treat them as planning guidance rather than forecasts.