Truro, Iowa is a small town located in Madison County, in the central part of the state. The town experiences a humid continental climate, characterized by hot summers and cold winters. Summers are typically warm, with temperatures reaching the high 80s (°F), while winters can be cold, with temperatures dropping to the low 20s (°F). The area receives an average annual precipitation of around 33 inches, with rainfall occurring fairly evenly throughout the year.

In terms of hydrology constituents, Truro is situated near the Middle River, which is a tributary of the Des Moines River. The town also has a few small streams flowing through its vicinity, contributing to the hydrological system of the area.

For outdoor recreation, Truro offers various opportunities. The Middle River provides a picturesque setting for fishing, canoeing, and kayaking. Nature enthusiasts can explore the nearby Middle River Wildlife Management Area, which offers trails for hiking and bird-watching. Additionally, the area is known for its beautiful countryside, making it a popular destination for scenic drives and photography.