Red Oak, Iowa, located in Montgomery County, offers a pleasant climate characterized by four distinct seasons. Summers are warm with average temperatures ranging from the mid-70s to mid-80s Fahrenheit, while winters bring cooler temperatures with averages ranging from the mid-20s to mid-30s. Spring and fall offer mild temperatures and beautiful foliage.

Hydrology constituents in Red Oak include several rivers and streams, such as the East Nodaway River and Willow Creek, which provide opportunities for fishing and boating. The region also boasts several lakes and reservoirs, including Viking Lake and Lake Icaria, where visitors can enjoy water-based activities like swimming, kayaking, and paddleboarding.

Outdoor recreation enthusiasts will find plenty of opportunities to explore nature in and around Red Oak. The area is home to numerous parks and forests, including the Montgomery County Conservation Board and the Viking State Park. These areas offer hiking and biking trails, camping sites, picnic areas, and wildlife viewing opportunities.

In summary, Red Oak, Iowa offers a temperate climate with distinct seasons, various hydrology constituents including rivers and lakes, and a plethora of outdoor recreation opportunities for nature enthusiasts.