Beloit, WI Climate

Climate Insight: Beloit, WI

An annual average temperature of 45°F, ranging from a mean daily high of 55°F to a mean daily low of 36°F is what the NOAA 1991–2020 climate normals report for Beloit, Wisconsin. July is typically the warmest month of the year, while January is the coldest. That baseline comes from station USC00470696 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. Beloit receives roughly 37.4 inches of precipitation each year, with 35.6 inches typically falling as snow. The frost-free season averages 164 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 12. For energy use, 7,570 heating degree days and 467 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

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