The highest day temperature in June 2026 was 89°F. The lowest night temperature was 40°F. The average values for day and night temperatures during June were 74.6°F и 56.5°F respectivly.

The average sea surface temperature in June 2026 for Mount Desert Island was 53.6°F. The maximum and minimum values were 48.2°F and 57.0°F respectively.

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

Precipitation total in June for Mount Desert Island is 1.0 in. It makes june one of the least rainy months of the year.

The average wind speed in June is 6.9 mph. It makes June one of the most windless months of the year for Mount Desert 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 Mount Desert Island in June is 7.8 hours.