Cashton, WI Climate

Climate Insight: Cashton, WI

An annual average temperature of 46°F, ranging from a mean daily high of 55°F to a mean daily low of 38°F is what the NOAA 1991–2020 climate normals report for Cashton, Wisconsin. July is typically the warmest month of the year, while January is the coldest. That baseline comes from 2 weather stations and thirty years of averaging, so it reflects a typical month rather than any one year's swings.

Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Cashton receives roughly 35.0 inches of precipitation each year, with 54.5 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 April 27 and the first fall freeze near October 14. For energy use, 7,409 heating degree days and 612 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Cashton scores 54/100 (Moderate), 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.