Niwot, in Colorado, United States, is home to roughly 4,000 people in the Mountain Time Zone at 40.1°N latitude.
In 2025, Niwot recorded an average annual temperature of 50°F — about 14.8°F above the 30-year normal of 35°F. The hottest day reached 101°F in July; the coldest was -16°F in January. Total precipitation was 20 inches (drier than usual). The wettest month was May.
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