The city of Lowell, located in Middlesex County at the confluence of the Merrimack and Concord rivers, is 25 miles northwest of Boston. The city stands on a plateau in the Merrimack Valley, surrounded by hills of 100- to 200-foot elevations. Lowell's four-season climate is typical of New England. Summers are warm with a humid period lasting several weeks; winters are cold and moderately snowy.
Area: 14 square miles (2000)
Elevation: 110 feet above sea level
Average Temperatures: January, 24.7° F; July, 72.5° F; annual, 51.6° F
Annual Average Precipitation: 42.8 inches of rain; 42.6 inches of snow