The highest day temperature in July 2025 was 95°F. The lowest night temperature was 61°F. The average values for day and night temperatures during July were 85.6°F и 70.1°F respectivly.

The average sea surface temperature in July 2025 for South Haven was 77.7°F. The maximum and minimum values were 75.6°F and 81.0°F respectively.

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

Precipitation total in July for South Haven is 1.3 in. It makes july the most rainy month of the year.

The average wind speed in July is 8.0 mph. It makes July the most windless month of the year for South Haven.

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 South Haven in July is 9.4 hours.