Pick the MonthWhat the weather is really like, month by month

Places › Bar Harbor, ME

Bar Harbor, ME — best months to visit

The doorstep of Acadia National Park and Maine's rocky coast.

Best months for Bar Harbor: June, August, September — cool days around 74°F, rain on about 12 days a month.

Averages are the 1991–2020 climate normals (NOAA National Centers for Environmental Information) for the station named on each page. Rain days = days with at least 0.01 in of precipitation. Daylight is computed for the middle of the month.

5°21°37°53°69°85°JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC

Temperature band (low to high) in each month's color; pale bars behind = total rain for the month. 1991–2020 normals.

All twelve months

MonthScoreAvg highAvg lowRainRain daysDaylightVerdict
January3232°15°4.48 in129h 11mThe toughest month
February4335°18°3.84 in1010h 22mAn off month
March5242°25°4.94 in1211h 46mA shoulder month
April7453°35°5.15 in1213h 24mA good month
May8764°45°4.50 in1414h 45mOne of the best months
June ★ Best9174°54°4.28 in1215h 31mOne of the best months
July8779°60°3.27 in1115h 13mOne of the best months
August ★ Best9078°60°3.45 in914h 02mOne of the best months
September ★ Best9071°53°4.22 in1112h 27mOne of the best months
October7558°43°5.86 in1210h 54mA good month
November6048°33°5.89 in119h 32mA shoulder month
December3638°22°5.66 in148h 52mThe toughest month

Score is rule-derived from the same normals — the rules are published on How we pick. Rain days = days with at least 0.01 in of precipitation.

June in Bar Harbor: one of the best months (score 91 of 100)

Typical June days in Bar Harbor reach about 74°F with nights near 54°F; rain is frequent — about 12 days see some rain, usually in showers; days are long — about 15h 31m of daylight in mid-June.

Full June page →

August in Bar Harbor: one of the best months (score 90 of 100)

Typical August days in Bar Harbor reach about 78°F with nights near 60°F.

Full August page →

September in Bar Harbor: one of the best months (score 90 of 100)

Typical September days in Bar Harbor reach about 71°F with nights near 53°F.

Full September page →

Print the Best Months Card