Mount Rainier National Park is a United States National Park located in the American state of Washington, some 54 miles (87 km) south-east of Seattle. Established in 1899 and 368 miles² / 235,625 acres (954 km²) in size, the National Park is centered on the spectacular cone of Mount Rainier, a dormant volcano some 14,410 ft high.
Weather patterns at Mount Rainier are strongly influenced by the Pacific Ocean, elevation, and latitude. The climate is generally cool and rainy, with summer highs in the 60s and 70s. While July and August are the sunniest months of the year, rain is possible any day, and very likely in spring, fall, and winter.
As one of the snowiest places on Earth, Paradise is worthy of a winter visit. From November to late May, expect to find 10 to 20 feet of snow on the ground. Approximately 630" of snow falls in an average winter at Paradise--in the winter of 1971-72, Paradise established a world's record with 1122" of snow!