The highest day temperature in March 2026 was 65°F. The lowest night temperature was 2°F. The average values for day and night temperatures during March were 39.1°F и 28.5°F respectivly.

The average sea surface temperature in March 2026 for Mount Desert Island was 33.4°F. The maximum and minimum values were 30.4°F and 35.8°F respectively.

Most of the days in March are gloomy but you can also expect sunny days.

Precipitation total in March for Mount Desert Island is 1.1 in.

The average wind speed in March is 10.5 mph. It makes March one of the most windy 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 March is 5.3 hours.