Climax is a city in Polk County, Minnesota, United States. It is part of the Grand Forks, ND-MN Metropolitan Statistical Area. The population was 267 at the 2010 census.
According to the United States Census Bureau, the city has a total area of 1.1 square miles (3.0 km²), all of it land.
U.S. Highway 75 and Minnesota Highway 220 are two of the main routes in the community.