SeasonMapBar Harbor weather in March
United States
March in Bar Harbor: cold, rainy, with clean air — a hit-or-miss time to visit.
#9 of 12 months in Bar Harbor · #1309 of 1383 destinations to visit in March · comfort 49/100 (tier F)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Bar Harbor in March
Other months in Bar Harbor
Bar Harbor's forum calls August warm and sunny by day, mid-to-high 70s°F, cooling into the 60s at night — genuinely pleasant, which is exactly why it's the busiest month of the year here. Regulars' standard packing list covers both shorts and a light jacket for cooler evenings, plus a rain layer just in case, and note the ocean itself stays cold, 55-60°F, even at the height of summer.
Add your own note from Bar Harbor's card on the map.
Bar Harbor climate normals — March
| Daytime high | 4°C / 40°F | 🧥 cold |
|---|---|---|
| Nighttime low | -3°C / 26°F | |
| Feels like (high) | 1°C / 34°F | |
| Sea temperature | 4°C / 39°F | 🥶 cold sea |
| Rainfall | 109 mm / 4.3 in | 🌧 rainy |
| Rainy days | 11 days | |
| Humidity | 73% | 💧 humid |
| Dew point | -4°C / 25°F | |
| Sunshine | 7.6 h/day | |
| Daylight | 12 h | |
| Wind | 24 km/h / 15 mph | |
| Snowfall | 33.4 cm / 13.1 in | |
| Air quality (US AQI) | 39 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Bar Harbor in March
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusySpring break in United States(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Bar Harbor's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherBar Harbor's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Bar Harbor in March
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Winter shutdown
1 Nov – 30 AprOff-season shutdownClosuresMost of the hotels, restaurants and shops close for the winter and the town returns to its year-round population. What stays open is cheap, and the park is yours, but check ahead before driving up for dinner.
- Season
Snow season
Ski seasonAbout 33 cm of snow falls in the month.
from the climate normals
Nearby, and something's on
Within 300 km of Bar Harbor — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Bar Harbor?
Bar Harbor in March — FAQ
- Is March a good time to visit Bar Harbor?
- March in Bar Harbor: cold, rainy, with clean air — a hit-or-miss time to visit. It ranks #9 of 12 months for Bar Harbor on SeasonMap's comfort score (49/100).
- What is the weather like in Bar Harbor in March?
- In March, Bar Harbor averages a daily high of 4.4°C and a low of -3.1°C, with about 109.1 mm of rain over roughly 10.7 rainy days.
- What is the air quality in Bar Harbor in March?
- Bar Harbor has a mean US Air Quality Index of about 39 in March.
- Does it snow in Bar Harbor in March?
- Bar Harbor sees roughly 33.4 cm of snowfall in March.
Other months in Bar Harbor
Compare Bar Harbor in March
Warmer or cooler than Bar Harbor in March
Similar destinations in North America — March
Within 300 km: Acadia National Park's Peregrine cliff trail closures around 15 Mar – 15 Aug.