The best time to visit Zion is generally April, May, September and October. It is a national park in Utah. It is a certified dark-sky park, prized for stargazing on clear nights.
April, May, September and October tend to bring the best balance of weather, access and conditions. Around then, daytime highs average about 79°F and overnight lows near 54°F.
Zion is known for a wide range of weather conditions. Temperatures vary with changes in elevation and day/night temperatures may differ by over 30°F (16°C). In summer, temperatures in Zion National Park often exceed 100°F (38°C). Zion experiences monsoons from mid-July into September that result in an increased risk of flash floods. Always be aware of the threat of storms and lightning and be prepared for a wide range of weather conditions. Winters are generally mild.
Zion is a certified dark-sky park. Skies are typically clearest in June, July, August, September and October.
See what's in the sky this season
Trailwind finds the moment a trip is unusually possible: the right season, a cheap fare, your open dates, and rare skies. Browse by calendar: