With a population of around 14,300, Greendale sits in Wisconsin, United States. The city operates in the Central Time Zone.
In 2025, Greendale recorded an average annual temperature of 48°F — about 1.0°F below the 30-year normal of 49°F. The hottest day reached 99°F in June; the coldest was -11°F in February. Total precipitation was 29 inches (drier than usual). Snowfall totaled 11 inches, below the 49-inch average. The wettest month was June.
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