Stacyville is a small town located in Mitchell County, Iowa. It experiences a humid continental climate, characterized by hot summers and cold winters. Average temperatures range from around 20°F (-6°C) in winter to 80°F (27°C) in summer. Precipitation is fairly evenly distributed throughout the year, with an average annual rainfall of around 35 inches (89 cm) and snowfall averaging around 30 inches (76 cm).

The town benefits from its proximity to the picturesque Cedar River, which runs through its outskirts. The Cedar River provides opportunities for various outdoor recreational activities, such as fishing, boating, and swimming. Fishing enthusiasts can find a variety of species, including bass, catfish, and walleye. Additionally, the river's surrounding areas offer scenic spots for hiking, picnicking, and camping.

Stacyville's hydrology constituents are mainly influenced by local rivers, including the Cedar River. The water quality is monitored to ensure its safety and cleanliness for both recreational and ecological purposes. Local authorities and organizations work to protect and preserve the hydrological systems to maintain a healthy ecosystem and provide enjoyable outdoor experiences for residents and visitors alike.