The highest day temperature in April 2026 was 63°F. The lowest night temperature was 26°F. The average values for day and night temperatures during April were 47.6°F и 36.4°F respectivly.

The average sea surface temperature in April 2026 for Bar Harbor was 38.7°F. The maximum and minimum values were 35.4°F and 41.6°F respectively.

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

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

The average wind speed in April is 9.6 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 April is 6.0 hours.