February in Mount Ranier National Park is the cloudiest month of the year. In February, the weather in Mount Ranier National Park is typically cold. Average daily high temperature in February is about 1 degree above zero. On average, Mount Ranier National Park has 17 rainy, 10 snowy, 1 sunny, and 1 cloudy day in February. The rains are usually heavy. February as well as January, March, April, and May is considered the most uncomfortable time to visit Mount Ranier National Park.