Mission Viejo is a picturesque city located in Orange County, California. It enjoys a Mediterranean climate with warm, dry summers and mild, wet winters. Summers typically see temperatures ranging from the mid-70s to mid-80s Fahrenheit, while winters have average temperatures in the mid-60s. The city experiences around 13 inches of rainfall annually, with the majority occurring during the winter months.

Hydrologically, Mission Viejo is nestled in the Saddleback Valley, surrounded by the Santa Ana Mountains. The area is known for its natural beauty, including Lake Mission Viejo, a man-made reservoir that serves as a recreational centerpiece. The lake offers various water activities such as boating, fishing, and swimming. Additionally, Oso Creek flows through the city, enhancing its scenic charm and providing opportunities for exploring its natural surroundings.

Outdoor enthusiasts have access to numerous recreational opportunities in Mission Viejo. The city boasts an extensive network of parks, trails, and open spaces, making it ideal for hiking, biking, and picnicking. Popular outdoor destinations nearby include O'Neill Regional Park and Aliso and Wood Canyons Wilderness Park, providing additional chances for nature exploration and outdoor activities.