Elevations in the park range from approximately 7,000 feet to 8,182 feet on the crater rim.

Summers are mild (highs in the mid-80s). Thunderstorms are common in July and August.  Light jackets may be needed during the summer. 

Winters are cold, and blizzards may result in temporary park closures. Warm and layered clothing should be worn the rest of the year. Current volcano road conditions may be found at 575-278-2201 x302.