Vulcan, Missouri is a small town located in the southeastern part of the state. It experiences a humid subtropical climate, characterized by hot, humid summers and mild, occasionally cold winters. Summers in Vulcan are typically hot with average temperatures in the 80s Fahrenheit, while winters are mild with temperatures averaging in the 30s to 40s. Precipitation is evenly distributed throughout the year, and the area may experience thunderstorms during spring and summer.

Hydrologically, Vulcan is situated near the Big River, providing an important water source for the region. Additionally, several smaller creeks and streams flow through the area. The water in these water bodies may contain various hydrology constituents, such as minerals and nutrients, that support the local ecosystem.

Vulcan offers diverse outdoor recreation opportunities for nature enthusiasts. The surrounding area features beautiful landscapes, including forests, hills, and valleys. Residents and visitors can enjoy activities such as hiking, camping, fishing, and boating. The Big River State Forest, located nearby, provides opportunities for hunting and birdwatching. Overall, Vulcan, Missouri is a picturesque location with a pleasant climate and abundant outdoor recreation possibilities.