Climate guide for Bar Harbor, United States

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Bar Harbor

How to read the score (0–10)
05810
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About Bar Harbor

Bar Harbor sits on Mount Desert Island along Maine's rugged granite shoreline. It offers direct access to Acadia National Park, Cadillac Mountain (where America catches its first sunrise), lobster boat tours, sea kayaking in Frenchman Bay, and waterfront seafood shacks.

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Travel Tips

Plan ahead for Bar Harbor
Check local weather forecasts and seasonal crowd levels before traveling to Bar Harbor.

Things to do in Bar Harbor

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

Frequently asked

When is the best time to visit Bar Harbor, United States?
The best months to visit Bar Harbor are April, May, June, July, August, September. April is the single peak month with a climate score of 7.9/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Bar Harbor year-round?
Bar Harbor has a nature and wildlife climate profile. Average monthly temperatures range from 2°C in January to 26°C in July, with climate scores between 5.2 and 7.9 out of 10.
Which months should I avoid in Bar Harbor?
The lowest-scoring months in Bar Harbor are January (5.2/10), February (5.2/10), March (5.2/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Bar Harbor?
January is the wettest month in Bar Harbor, averaging about 110 mm of rainfall. May is the driest, at roughly 90 mm.
Which is the sunniest month in Bar Harbor?
May sees the most sun in Bar Harbor, with about 19 sunny days on average - ideal for outdoor plans.
Is Bar Harbor good for nature and wildlife travel?
Bar Harbor is profiled as a nature and wildlife destination in Maine, United States. Its highest-scoring window (April, May, June, July, August, September) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Bar Harbor calculated?
Each month is rated 0-10 using ERA5 climate normals for Bar Harbor: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for a nature and wildlife trip.

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