Bar Harbor Maine Climate Data

Monthly Average Climate Data for Bar Harbor Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.1 °F31.2 °F4.67 in.
February17.0 °F32.8 °F3.9 in.
March24.5 °F39.3 °F4.81 in.
April34.6 °F50.2 °F4.49 in.
May43.5 °F60.9 °F4.45 in.
June51.9 °F69.9 °F4.15 in.
July57.6 °F75.6 °F3.21 in.
August57.9 °F75.2 °F2.92 in.
September52.0 °F68.0 °F4.12 in.
October42.7 °F57.0 °F5.73 in.
November33.2 °F46.8 °F5.61 in.
December22.8 °F37.7 °F5.67 in.
Annual37.8 °F53.7 °F53.73 in.

Climate Data for Bar Harbor Maine

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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