Wasco is a small city located in Sherman County, Oregon. It has a semi-arid climate with hot, dry summers and cold winters. Summers can reach temperatures of up to 95°F (35°C), while winters often drop below freezing, averaging around 30°F (-1°C). Precipitation is minimal, with an annual average of around 10 inches (25 cm), mostly occurring during the winter months.

Hydrologically, Wasco is situated along the Columbia River, providing access to recreational activities such as fishing, boating, and swimming. The river also offers scenic views and opportunities for wildlife spotting. Additionally, the region is known for its picturesque landscapes, including rolling hills, canyons, and vast wheat fields, which attract hikers, photographers, and nature enthusiasts. Nearby attractions like the John Day Fossil Beds National Monument and the Mount Hood National Forest offer further opportunities for outdoor recreation, including camping, hiking, and wildlife observation.

Overall, Wasco's climate, hydrology, and outdoor recreation opportunities make it an attractive destination for those seeking a mix of outdoor activities and scenic beauty in a semi-arid environment.