Vernon Hills is a suburb located in Lake County, Illinois. The village experiences a humid continental climate, characterized by warm summers and cold winters. Average temperatures during summer months range from the mid-70s to low 80s Fahrenheit, while winter temperatures average in the 20s and 30s. Precipitation is evenly distributed throughout the year, with rainfall often occurring during spring and summer, while snowfall is common in winter.

Hydrologically, Vernon Hills is situated in the Des Plaines River watershed, with the river flowing nearby. Other nearby bodies of water include Lake Charles, Lake Phillip, and Lake Charles Park District.

Outdoor recreation opportunities in Vernon Hills are abundant. The village boasts numerous well-maintained parks and recreational areas, including the popular Century Park. Century Park offers a variety of amenities such as biking and walking trails, sports fields, fishing ponds, and picnic areas. Additionally, there are several golf courses in the vicinity for golf enthusiasts. The nearby Des Plaines River also provides opportunities for canoeing, kayaking, and fishing. The village's commitment to outdoor spaces ensures that residents and visitors can enjoy a range of activities and connect with nature throughout the year.