White Rock Dam, MN Climate

Climate Insight: White Rock Dam, MN

An annual average temperature of 43°F, ranging from a mean daily high of 53°F to a mean daily low of 33°F is what the NOAA 1991–2020 climate normals report for White Rock Dam, Minnesota. July is typically the warmest month of the year, while January is the coldest. That baseline comes from station USC00218947 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.

Beyond temperature, White Rock Dam averages 24.5 inches of precipitation annually, with 35.9 inches typically falling as snow - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 153 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 3 and the first fall freeze near October 3. Turning to energy use, 8,592 heating degree days and 545 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, White Rock Dam scores 49/100 (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.