Further Reading he elevation and desert climate of Capitol Reef make for substantial temperature variations in the course of a year. Low humidity lessens the impact of the heat but can also lead to potential dehydration in the unaware hiker. Summer evenings are usually comfortable at 50 to 60 F. Only about seven inches of rain fall in the park every year, but summer thunderstorms may bring flash floods from May through September. Check with a park ranger about current weather conditions before setting out, especially if it has just rained or if rain clouds are threatening.
Winter is dry, with moderate snowfall.
Daytime temperatures are usually in the 30s to low 40s, and commonly dip below freezing at night. Spring and autumn are long and pleasant. Hikers, backpackers, photographers, and sightseers enjoy warm days, solitude, cool nights, and the beauty of Capitol Reef. The park offers free ranger-led activities, including walks and evening programs. Also available are interpretive exhibits, auto touring, fruit-picking, bird watching, and wildlife observation.