Thayer, Missouri is a small town located in the southern part of the state. The climate in Thayer is classified as humid subtropical, characterized by hot, humid summers and mild winters. Average temperatures range from the upper 80s°F (30°C) in summer to the mid-40s°F (7°C) in winter.

The town is nestled near the banks of the Spring River, which provides a scenic backdrop and offers various recreational opportunities. The river is known for its clear waters, making it popular for fishing and canoeing. Anglers can expect to catch a variety of fish species, including smallmouth bass, rainbow trout, and catfish.

Thayer also benefits from its proximity to the Mark Twain National Forest, which provides ample opportunities for outdoor activities. Hiking trails, camping sites, and hunting areas are available within the forest. Wildlife enthusiasts can enjoy observing native species such as deer, turkey, and various bird species.

Overall, Thayer, Missouri offers a pleasant climate, access to the Spring River, and the nearby Mark Twain National Forest, making it an attractive destination for outdoor enthusiasts and nature lovers.