Manson, Iowa is a small town located in Calhoun County, in the northwestern part of the state. It experiences a humid continental climate, characterized by hot summers and cold winters. Average temperatures range from 20°F (-6°C) in winter to 85°F (29°C) in summer, with moderate precipitation throughout the year.

The hydrology of Manson is influenced by its proximity to the Des Moines River and Lizard Creek. These water bodies offer opportunities for fishing, boating, and other water-based activities. Anglers can catch a variety of fish species, including catfish, walleye, and bass, making it a popular destination for fishing enthusiasts.

Apart from water-related activities, Manson boasts several outdoor recreation opportunities. It is surrounded by beautiful natural areas and parks, providing ample space for hiking, camping, and picnicking. The Manson Prairie Preserve is a notable spot, featuring prairie grasses and wildflowers, attracting birdwatchers and nature enthusiasts.

Overall, Manson, Iowa offers a diverse climate with distinct seasons, water bodies that support various hydrology constituents, and a range of outdoor recreational opportunities for residents and visitors to enjoy the area's natural beauty.