Kirkman, Iowa is a small rural town located in Shelby County. It experiences a humid continental climate with hot summers and cold winters. The average temperature in summer ranges from 70°F to 85°F, while in winter, it can drop to 10°F to 25°F. Kirkman receives about 30 inches of precipitation annually, with most occurring during the summer months.

In terms of hydrology constituents, Kirkman is situated near the Nishnabotna River, which is a tributary of the Missouri River. The river serves as a vital source of water for the town and provides opportunities for recreational activities such as fishing and boating.

Outdoor recreation enthusiasts in Kirkman can explore the nearby Lake Icaria State Park, located just 10 miles southeast of the town. This park offers a variety of activities, including camping, hiking, biking, fishing, swimming, and wildlife viewing. With over 677 acres of land and a 171-acre lake, visitors can enjoy the natural beauty of the area and engage in various outdoor pursuits.

Overall, Kirkman, Iowa provides a moderate climate, access to water resources, and ample opportunities for outdoor recreation, making it an attractive destination for nature lovers and outdoor enthusiasts.