Climate guide for Bar Harbor, United States

Bar Harbor in March

Weather, crowds & best time to visit

How to read the score (0–10)
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March · United States

Best time to visit Bar Harbor in March Weather, crowds & prices

Weather in Bar Harbor in March

Average temperature 1°C, 143 mm of rain, about 9 days with 6+ hours of sunshine and 84% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

March score

4.2/10

Ranked #8 of 12 months

Full year for Bar Harbor
Avg temp
1°C
Rainfall
143 mm
Humidity
84%
Days with 6h+ sun
9
Crowd Density
Quiet / Uncrowded
Average Expenses
$$ · Moderate Cost ($$)

March in Bar Harbor scores 4.2/10 for nature and wildlife travel - ranked #8 of 12. Expect around 1°C, 143 mm of rain, and roughly 9 days with 6+ hours of sunshine this month.

Bar Harbor is a nature and wildlife destination in United States. Its setting includes Coastal Maine village serving as the primary gateway to Acadia National Park and lobster dining.

March in Bar Harbor: expect compromises

March averages 1°C (34°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

At 143 mm this is a genuinely wet month: about 9 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.

It scores 4.2/10 here, 8th of 12 months, against 8.5/10 in the destination's best month.

Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.

Figure on mid-season pricing, with crowds are light for this destination.

Flexible dates? May scores 4.3 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Bar Harbor in March?
In March, Bar Harbor averages 1°C, 143 mm of rain, and about 9 days with 6+ hours of sunshine. Its climate-comfort score is 4.2/10.
Is March a good time to visit Bar Harbor?
March earns a 4.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Bar Harbor in March?
Expect about 143 mm of rain in March. Average humidity is 84% and there are about 9 days with 6+ hours of sunshine.

Curated in Bar Harbor

Tickets & experiences

Things to do in Bar Harbor

Bar Harbor, United States. Live activities and tours from GetYourGuide, matched to this destination.