Capitol Reef is most accommodating, to humans, in spring and summer, but the other seasons aren't entirely intolerable.
Capitol Reef National Park has an arid climate with precipitation averaging just 7.2 inches annually at the park Visitor Center weather station.
Except for July and August, daily high temperatures usually range about 10° F on either side of the average monthly high temperature shown. July and August highs range about 5° F on either side of the average monthly high shown.
Low temperatures usually range about 10° F on either side of the average low temperatures shown for the months January through April and November through December. Low temperatures for May through October will range about 5° F on either side of the average monthly low shown.