Bar Harbor Weather in March
March in Bar Harbor sees daytime temperatures around 5°C (41°F) and lows of -4°C (25°F) at night. With around 113 mm (4.4 in) of snow/rainfall expected, it's worth packing a rain jacket.
Rainfall in Bar Harbor in March
Analyzing past climate data, one can expect approximately 11 days of snow/rain, averaging 113 mm (4.4 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Bar Harbor in March
If you're visiting Bar Harbor in March, expect highs of 5°C (41°F) and overnight lows around -4°C (25°F). The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights drop below freezing to -4°C (25°F). An extra blanket is worth packing if you're unsure about the heating where you're staying.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Bar Harbor.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Bar Harbor's climate page.
Bar Harbor Temperature in March
Min Temperature
-4°C (25°F)
Max Temperature
5°C (41°F)
Chance of Rain
38%
Precipitation
113 mm (4.4 in)
Rainy days
11 days
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Bar Harbor typically rise from around 1°C (34°F) at the start of March to approximately 8°C (46°F) by the end. Nights are very cold, with lows typically ranging from -9°C (16°F) to 0°C (32°F).
Average temperatures in March
Historical weather for Bar Harbor in March
Browse day-by-day weather records for Bar Harbor spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bar Harbor historical weather extremes in March
Based on 27 years of weather observations (1999-2026), these are the most extreme conditions recorded in Bar Harbor.
- The coldest night in March in Bar Harbor was on March 4, 2014, with a minimum of -21°C (-6°F).
Best Places in the United States of America in March
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in March →
perfect weather
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What to Wear in Bar Harbor in March
Dress warmly and in layers for your trip to Bar Harbor in March. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags.What To Do in Bar Harbor in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Bar Harbor's climate page.
See the full Bar Harbor climate overview or explore weather in the United States of America.
