Cousins Island Maine Climate Data

Monthly Average Climate Data for Cousins Island Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.4 °F32.0 °F3.54 in.
February18.4 °F34.4 °F3.54 in.
March26.5 °F41.3 °F4.08 in.
April36.7 °F52.5 °F4.45 in.
May46.6 °F62.8 °F3.62 in.
June56.2 °F72.5 °F4.48 in.
July61.7 °F77.7 °F3.59 in.
August61.6 °F77.9 °F3.44 in.
September54.0 °F70.8 °F3.98 in.
October43.3 °F59.0 °F5.32 in.
November33.4 °F47.9 °F4.34 in.
December23.6 °F38.0 °F4.65 in.
Annual39.9 °F55.6 °F49.03 in.

Climate Data for Cousins Island Maine

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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