When to Go
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When to Go
Zion is the most heavily visited national park in Utah, receiving nearly 2.5 million visitors each year. Most visitors come between April and October.
Summer in the park is hot and dry punctuated with sudden cloudbursts, which can create flash flooding and spectacular waterfalls. Expect afternoon thunderstorms between July and September. In the summer sun, wear sunscreen and drink lots of water, even if you aren't exerting yourself.
Winters are mild at lower desert elevations. You can expect to encounter winter driving conditions November through March, and although most park programs are suspended, winter is a wonderful and solitary time to see the canyons.
Extreme highs in Zion can often exceed 100°F in July and August.
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