Summer season only. Those planning to tour the cave should wear a light jacket or sweater and low heeled, rubber-soled walking shoes. Surface Weather-Summer days are usually warm or hot, often with late afternoon thundershowers. Spring and Fall weather is the most variable. Cool damp days alternate with warm dry ones.
Winters are cold.
Be prepared for changes in weather. Jewel Cave can be reached by use of all personal motor vehicles or by bicycle. The main Visitor Center parking lot can accommodate motor homes, recreational vehicles and buses. There is a bike rack available for those who visit the Monument by bicycle. Parking space size is more limited at the Historic Area.