Milwaukie, Oregon is located in the northwestern part of the United States, in Clackamas County. The climate in Milwaukie is characterized by mild, wet winters and warm, dry summers. The average annual rainfall is around 39 inches, with the majority of it occurring between October and May. Summers are pleasant, with temperatures ranging from the mid-70s to mid-80s Fahrenheit.

The city is surrounded by several water bodies, including the Willamette River and Johnson Creek. The hydrology constituents in Milwaukie involve these water bodies, with the Willamette River offering opportunities for boating, fishing, and other water sports. Johnson Creek is a popular spot for kayaking and canoeing.

Outdoor recreation opportunities in Milwaukie are abundant. Residents and visitors can explore the Milwaukie Riverfront Park, which offers walking trails, picnic areas, and a boat launch. Nearby, the Spring Park Natural Area provides an opportunity to experience nature with its hiking trails and wildlife viewing.

Overall, Milwaukie, Oregon offers a mild climate, abundant water resources, and various outdoor recreational activities, making it an attractive destination for nature enthusiasts and those seeking outdoor adventures.