The highest day temperature in June 2026 was 73°F. The lowest night temperature was 50°F. The average values for day and night temperatures during June were 63.8°F и 56.3°F respectivly.

The average sea surface temperature in June 2026 for Mackinac Island was 54.3°F. The maximum and minimum values were 46.8°F and 62.8°F respectively.

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

Precipitation total in June for Mackinac Island is 0.9 in.

The average wind speed in June is 8.9 mph. It makes June one of the most windless months of the year for Mackinac Island.

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 Mackinac Island in June is 9.2 hours.