January in Bar Harbor — workable with trade-offs
Trade-offs · 5.2/10January averages 2°C (36°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 110 mm this is a genuinely wet month: about 18 sunny days in total, and outdoor plans need an indoor fallback.
It scores 5.2/10 here, 8th of 12 months, against 7.9/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, April is materially better in Bar Harbor — 2.7 points higher on the same scale.
February in Bar Harbor — workable with trade-offs
Trade-offs · 5.2/10February averages 3°C (37°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 110 mm this is a genuinely wet month: about 18 sunny days in total, and outdoor plans need an indoor fallback.
It scores 5.2/10 here, 9th of 12 months, against 7.9/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, April is materially better in Bar Harbor — 2.7 points higher on the same scale.
March in Bar Harbor — workable with trade-offs
Trade-offs · 5.2/10March averages 7°C (45°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 110 mm this is a genuinely wet month: about 18 sunny days in total, and outdoor plans need an indoor fallback.
It scores 5.2/10 here, 10th of 12 months, against 7.9/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, April is materially better in Bar Harbor — 2.7 points higher on the same scale.
April in Bar Harbor — the year's strongest window
Best window · 7.9/10April averages 13°C (55°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 110 mm this is a genuinely wet month: about 18 sunny days in total, and outdoor plans need an indoor fallback.
On our climate-comfort scale this is the top-ranked month of the year for Bar Harbor at 7.9/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.
May in Bar Harbor — reliably good (2nd best month)
Good · 7.9/10May averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 90 mm, so plan one flexible day in three; you still get about 19 sunny days and 15.8 hours of daylight.
It scores 7.9/10 here, 2nd of 12 months, against 7.9/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer, footwear you can get muddy.
June in Bar Harbor — reliably good (3rd best month)
Good · 7.9/10June averages 23°C (73°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 90 mm, so plan one flexible day in three; you still get about 19 sunny days and 16.4 hours of daylight.
It scores 7.9/10 here, 3rd of 12 months, against 7.9/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection, a packable rain layer, footwear you can get muddy.
July in Bar Harbor — reliably good (4th best month)
Good · 7.9/10July averages 26°C (79°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 90 mm, so plan one flexible day in three; you still get about 19 sunny days and 15.8 hours of daylight.
It scores 7.9/10 here, 4th of 12 months, against 7.9/10 in the destination's best month.
Expect peak pricing, and this is one of the busiest months here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer, footwear you can get muddy.
August in Bar Harbor — reliably good (5th best month)
Good · 7.9/10August averages 25°C (77°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 90 mm, so plan one flexible day in three; you still get about 19 sunny days and 14.2 hours of daylight.
It scores 7.9/10 here, 5th of 12 months, against 7.9/10 in the destination's best month.
Expect peak pricing, and this is one of the busiest months here.
Pack light clothing, swimwear and real sun protection, a packable rain layer, footwear you can get muddy.
September in Bar Harbor — reliably good (6th best month)
Good · 7.9/10September averages 20°C (68°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 90 mm, so plan one flexible day in three; you still get about 19 sunny days and 12 hours of daylight.
It scores 7.9/10 here, 6th of 12 months, against 7.9/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection, a packable rain layer, footwear you can get muddy.
October in Bar Harbor — reliably good (7th best month)
Good · 7.9/10October averages 14°C (57°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 110 mm this is a genuinely wet month: about 18 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.9/10 here, 7th of 12 months, against 7.9/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.
November in Bar Harbor — workable with trade-offs
Trade-offs · 5.2/10November averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 110 mm this is a genuinely wet month: about 18 sunny days in total, and outdoor plans need an indoor fallback.
It scores 5.2/10 here, 11th of 12 months, against 7.9/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, April is materially better in Bar Harbor — 2.7 points higher on the same scale.
December in Bar Harbor — workable with trade-offs
Trade-offs · 5.2/10December averages 4°C (39°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 110 mm this is a genuinely wet month: about 18 sunny days in total, and outdoor plans need an indoor fallback.
It scores 5.2/10 here, 12th of 12 months, against 7.9/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, April is materially better in Bar Harbor — 2.7 points higher on the same scale.
