The highest day temperature in July 2025 was 86°F. The lowest night temperature was 54°F. The average values for day and night temperatures during July were 75.5°F и 63.8°F respectivly.

The average sea surface temperature in July 2025 for Sturgeon Bay was 69.8°F. The maximum and minimum values were 61.6°F and 78.0°F respectively.

Most of the days in July are cloudy but you can also expect sunny or gloomy days.

Precipitation total in July for Sturgeon Bay is 1.2 in. It makes july the most rainy month of the year.

The average wind speed in July is 7.5 mph. It makes July the most windless month of the year for Sturgeon Bay.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Sturgeon Bay in July is 9.4 hours.