Randalia, Iowa is a small town located in Fayette County in northeastern Iowa. The climate in Randalia is classified as humid continental, characterized by four distinct seasons. Summers are warm with temperatures ranging from the 70s to 90s Fahrenheit, while winters can be cold with temperatures dropping below freezing. The area receives an average annual precipitation of about 35 inches, with rainfall occurring fairly evenly throughout the year.

Hydrologically, Randalia is situated near the Turkey River, which flows through the town. The river provides opportunities for various recreational activities such as fishing, boating, and swimming. The river is home to a variety of fish species, including smallmouth bass, walleye, and catfish, attracting anglers from around the region.

In addition to the river, Randalia and its surrounding areas offer several outdoor recreation opportunities. The region boasts beautiful natural scenery, with rolling hills, forests, and prairies, making it ideal for hiking, bird-watching, and camping. Nearby parks and wildlife areas provide additional opportunities for outdoor enthusiasts to explore and enjoy nature.