Challis is a city of approximately 1,000 people in Idaho, United States. Located in the America/Boise time zone at 44.5°N latitude.
In 2025, Challis recorded an average annual temperature of 47°F — about 2.9°F above the 30-year normal of 44°F. The hottest day reached 92°F in July; the coldest was -5°F in February. Total precipitation was 17 inches (wetter than usual). The wettest month was December.
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