The highest day temperature in October 2025 was 89°F. The lowest night temperature was 34°F. The average values for day and night temperatures during October were 64.8°F и 49.9°F respectivly.

The average sea surface temperature in October 2025 for South Haven was 62.3°F. The maximum and minimum values were 52.6°F and 70.6°F respectively.

You can expect various weather conditions during October. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in October for South Haven is 1.2 in. It makes october the most rainy month of the year.

The average wind speed in October is 11.5 mph.

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 October is 6.1 hours.