Climate of Door County, Wisconsin

Rainfall over Lake Michigan, as seen from Newport State Park in July, 2016.

The climate of Door County, Wisconsin is tempered by Green Bay and Lake Michigan. There are fewer extremely cold days and fewer hot days than in areas of Wisconsin directly to the west. Lake waters delay the coming of spring as well as extend mild temperatures in the fall.[1] Annual precipitation is slightly lower than elsewhere in northern Wisconsin.[2] The county features a humid continental climate (classified as Dfb in Köppen) with warm summers and cold snowy winters.

  1. ^ Flood Insurance Study: Door County, Wisconsin Unincorporated Areas, U.S. Department of Housing & Urban Development Federal Insurance Administration, June 1977, page 4
  2. ^ Sturgeon Bay and Lake Michigan Ship Canal, Maintenance Dredging and Spoil Disposal: Environmental Impact Statement by Col. James Miller, U.S. Army Engineer District, Chicago, 1974, page 11