Thor, Iowa is a small rural community situated in the north-central part of the state. The climate in Thor is classified as a humid continental climate, characterized by warm summers and cold winters. Average temperatures range from around 20°F (-6°C) in winter to 80°F (27°C) in summer. Precipitation is relatively evenly distributed throughout the year, with an average annual rainfall of around 35 inches (89 cm).

The hydrology constituents in Thor are primarily influenced by the Boone River, which flows through the town. The river provides a valuable water source for both recreational activities and local wildlife. Visitors can enjoy fishing for various species such as catfish, bass, and walleye.

Outdoor recreation opportunities in Thor are abundant. The area offers scenic hiking trails, perfect for nature enthusiasts. The nearby state parks provide opportunities for camping, picnicking, and wildlife observation. During the winter months, residents and visitors can enjoy cross-country skiing and snowshoeing in the surrounding scenic landscapes.

Overall, Thor, Iowa offers a pleasant climate, diverse hydrology constituents, and ample outdoor recreation opportunities for those seeking to connect with nature and enjoy outdoor activities.