Avilla, Missouri is a small town in Jasper County with a population of around 125 people. The climate in Avilla is classified as humid subtropical with hot summers and mild winters. The area experiences moderate to high precipitation throughout the year, with the wettest months being May and June. Avilla is located near the Spring River and the Elk River, both of which offer opportunities for fishing, boating, and swimming. There are also several parks in the area, including the Avilla City Park and the Marmaton Park, which offer hiking trails, picnic areas, and playgrounds for families to enjoy. The hydrology constituents in Avilla are monitored and regulated by the Missouri Department of Natural Resources to ensure the safety and quality of the area's water supply.