Eugene is located in the center of western Oregon, about 100 miles south of Portland and halfway between the Pacific Ocean and the Cascade Mountains in the broad Willamette River valley. Temperatures are usually moderate throughout the year, with most rainfall occurring from October to May. Winters are warmed by prevailing winds from the southwest, and summers are kept mild and dry by cooling northwestern winds.
Area: 41.0 square miles (2000)
Elevation: 369 feet above sea level
Average Temperatures: January, 39.8° F; August, 66.4° F; annual average, 52.1° F
Average Annual Precipitation: 50.90 inches