In August, the weather in Sturgeon Bay is typically warm. Average daily high temperature in August is about 23 degrees above zero. On average, Sturgeon Bay has 17 sunny, 12 partly cloudy, and 2 rainy days in August. The rains are usually light. August as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Sturgeon Bay.