Logan, Iowa, located in Harrison County, experiences a humid continental climate with four distinct seasons. Summers are warm and humid, with average temperatures ranging from the low 70s to mid-80s Fahrenheit. Winters are cold, with temperatures dropping into the 20s and occasionally dipping below zero. Precipitation is evenly distributed throughout the year, with an annual average of around 33 inches.

Hydrologically, Logan benefits from the Boyer River, which flows nearby. The river provides a source of water for recreational activities such as fishing, boating, and kayaking. The Boyer River also serves as a habitat for various species of fish, making it an attractive destination for anglers.

Outdoor enthusiasts in Logan can explore several recreational opportunities. The Boyer Chute National Wildlife Refuge, just a short distance away, offers hiking trails, bird-watching opportunities, and wildlife viewing. The nearby DeSoto National Wildlife Refuge provides additional recreational activities, including camping, fishing, and hunting.

Overall, Logan, Iowa, offers a pleasant climate for outdoor activities and is surrounded by natural resources, making it an attractive destination for those seeking outdoor recreation opportunities.