Mayville is located in Chautauqua County, in the southwestern corner of New York State, along the New York-Pennsylvania border, is the westernmost of New York's counties. Chautauqua Lake is located in the center of the county, and Lake Erie is its northern border. Buffalo is 40 miles North and Erie, PA is 35 miles Southwest.
Mayville is used to all types of weather conditions. From snowy winters with record breaking snow falls, to hot and humid summers, the weather can be unpredictable. Chautauqua County has a continental type climate. This type of climate is common in the Great Lakes region.