The highest day temperature in January 2026 was 47°F. The lowest night temperature was -11°F. The average values for day and night temperatures during January were 24.7°F и 17.7°F respectivly.

The average sea surface temperature in January 2026 for Mount Desert Island was 35.1°F. The maximum and minimum values were 32.6°F and 38.4°F respectively.

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

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

The average wind speed in January is 10.3 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 Mount Desert Island in January is 4.5 hours.