Alamosa, in Colorado, United States, is home to roughly 9,800 people in the Mountain Time Zone at 37.5°N latitude.
In 2025, Alamosa recorded an average annual temperature of 46°F — about 4.1°F above the 30-year normal of 42°F. The hottest day reached 90°F in August; the coldest was -9°F in January. Total precipitation was 11 inches (wetter than usual). Snowfall totaled 8 inches, below the 28-inch average. The wettest month was May.
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