Royal, Iowa is a small town located in Clay County, in the state of Iowa, United States. The climate in Royal is categorized as humid continental, with four distinct seasons. Summers are typically warm and humid, with average temperatures ranging from 70°F to 90°F (21°C to 32°C). Winters are cold, with average temperatures ranging from 10°F to 30°F (-12°C to -1°C). Precipitation is fairly evenly distributed throughout the year, with an average of 30 inches (76 cm) of rainfall annually.

Hydrologically, Royal is situated in the Little Sioux River Watershed, with the Little Sioux River flowing nearby. This river system provides opportunities for fishing and boating enthusiasts, with various species of fish such as catfish, bass, and bluegill inhabiting the waters.

As for outdoor recreation, Royal offers several options. The town has a beautiful park equipped with picnic areas, playgrounds, and sports fields, providing a great place for families to spend time outdoors. There are also nearby trails for hiking and biking enthusiasts to explore the stunning natural scenery. Additionally, the Little Sioux River offers opportunities for canoeing and kayaking, allowing visitors to immerse themselves in the tranquil surroundings.