Cousins Island Maine Climate Data

Monthly Average Climate Data for Cousins Island Maine

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.7 °C0 °C89.92 mm
February-7.6 °C1.3 °C89.92 mm
March-3.1 °C5.2 °C103.63 mm
April2.6 °C11.4 °C113.03 mm
May8.1 °C17.1 °C91.95 mm
June13.4 °C22.5 °C113.79 mm
July16.5 °C25.4 °C91.19 mm
August16.4 °C25.5 °C87.38 mm
September12.2 °C21.6 °C101.09 mm
October6.3 °C15 °C135.13 mm
November0.8 °C8.8 °C110.24 mm
December-4.7 °C3.3 °C118.11 mm
Annual4.4 °C13.1 °C1245.38 mm

Climate Data for Cousins Island Maine

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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