The highest day temperature in January 2025 was 41°F. The lowest night temperature was 3°F. The average values for day and night temperatures during January were 25.3°F и 19.1°F respectivly.

The average sea surface temperature in January 2025 for Bar Harbor was 37.3°F. The maximum and minimum values were 34.6°F and 40.6°F respectively.

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

Precipitation total in January for Bar Harbor is 1.2 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 10.4 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 Bar Harbor in January is 4.3 hours.