John Day, Oregon is a small city located in Grant County, in the eastern part of the state. The region experiences a semi-arid climate, characterized by hot and dry summers, and cold winters with occasional snowfall. Summers are typically sunny, with temperatures reaching highs in the mid-80s°F (30s°C), while winters see temperatures dropping to the mid-30s°F (around 0°C).

The hydrology of John Day is influenced by the nearby John Day River, which flows through the city. The river offers opportunities for recreational activities such as fishing, boating, and swimming. Additionally, the area is home to several hot springs, providing relaxing experiences for visitors.

Outdoor recreation opportunities in John Day are plentiful. The Malheur National Forest, located nearby, offers hiking trails, camping spots, and wildlife viewing. The Strawberry Mountain Wilderness, part of the Malheur National Forest, is particularly popular for backpacking and fishing in its pristine alpine lakes. The Painted Hills, a unit of the John Day Fossil Beds National Monument, showcases stunningly colored hills and is a great spot for hiking and photography.

In summary, John Day, Oregon, with its semi-arid climate, river and hot springs, and nearby national forest and monument, offers a range of outdoor recreation opportunities for visitors to enjoy.