Weather and Seasons

Although Utah's river canyons are typically mild, flash floods can occur and are dangerous when they do. Zion National Park has had some flood tragedies.

Dehydration, heat exhaustion, heat stroke and hyponatremia (low sodium blood level) can put a damper on a vacation, or even send you to the hospital.

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.

Expect warm days and cool nights in southern Utah where Zion, Bryce, Capitol Reef, Arches, and Canyonlands National Parks are. Pack to stay warm and dry.

Zion's snowcapped mountains are spectacular in the winter. The canyon is not normally subject to heavy snow, so hiking and biking are still popular.