February in Zion National Park is the cloudiest month of the year. In February, the weather in Zion National Park is typically cold. Average daily high temperature in February is about 9 degrees above zero. On average, Zion National Park has 17 sunny, 10 partly cloudy, and 2 rainy days in February. The rains are usually light. February as well as January and December is considered the most uncomfortable time to visit Zion National Park.