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.
Challis has a semi-arid climate. Average annual temperature is 44°F, with January lows around 11°F and July highs near 87°F. The city averages 7 inches of precipitation per year. The wettest month is typically May; the driest is February.