Shelby, Nebraska is a small town located in Polk County, in the central part of the state. The climate in Shelby can be characterized as a typical Midwestern climate, with four distinct seasons. Summers are warm with average temperatures ranging from the mid-70s to the mid-80s Fahrenheit, while winters are cold with average temperatures ranging from the mid-teens to the mid-30s Fahrenheit. Spring and fall are mild and pleasant.

In terms of hydrology constituents, Shelby is located near the Platte River, which provides a significant water source for the region. The town also has several small creeks and streams flowing through it, adding to the local hydrological system.

The area around Shelby offers various outdoor recreation opportunities. The Platte River is a popular spot for fishing, canoeing, and kayaking. There are also several parks and nature reserves nearby, providing opportunities for hiking, birdwatching, and wildlife observation. The nearby Branched Oak State Recreation Area offers camping, boating, and swimming facilities. Overall, Shelby and its surrounding natural areas provide ample opportunities for outdoor enthusiasts to enjoy the beauty of Nebraska's landscape.