Mallard is a small town located in Palo Alto County, Iowa. It experiences a typical Midwestern climate, characterized by warm summers and cold winters. Average temperatures range from highs of around 85°F (29°C) in the summer to lows of approximately 15°F (-9°C) in the winter. Mallard receives an average annual precipitation of about 34 inches, with rainfall occurring fairly evenly throughout the year.

The town is surrounded by beautiful natural landscapes, including several lakes and rivers. The hydrology constituents in the area include the Des Moines River and Silver Lake. These water bodies provide excellent opportunities for recreational activities such as boating, fishing, and swimming. The Des Moines River is particularly popular for canoeing and kayaking, offering scenic views and a peaceful experience.

Outdoor enthusiasts can also explore the nearby Lost Island Nature Center, which offers hiking trails, birdwatching opportunities, and educational programs on local wildlife and conservation. Additionally, Mallard is known for its hunting opportunities, with deer and waterfowl hunting attracting many visitors.

Overall, Mallard, Iowa, offers a pleasant climate, diverse hydrology constituents, and a range of outdoor recreational opportunities, making it an appealing destination for nature lovers and adventure seekers.