Cooper Mountain (Colorado)

Cooper Mountain is a mountain east of Dillon in Summit County, Colorado. Grays Peak lies northeast of Cooper Mountain and Lenawee Mountain is located northwest.

Climate
According to the Köppen climate classification system, Cooper Mountain is located in an alpine subarctic climate zone with cold, snowy winters, and cool to warm summers. Due to its altitude, it receives precipitation all year, as snow in winter and as thunderstorms in summer, with a dry period in late spring. Climbers can expect afternoon rain, hail, and lightning from the seasonal monsoon in late July and August.