Falmouth Maine Climate Data

Monthly Average Climate Data for Falmouth Maine

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.9 °C0 °C89.41 mm
February-7.8 °C1.4 °C89.41 mm
March-3.2 °C5.3 °C102.62 mm
April2.5 °C11.5 °C112.78 mm
May8 °C17.3 °C91.95 mm
June13.3 °C22.7 °C109.98 mm
July16.6 °C25.8 °C88.14 mm
August16.3 °C25.6 °C85.34 mm
September12.1 °C21.6 °C101.09 mm
October6 °C15 °C130.05 mm
November0.6 °C8.9 °C108.2 mm
December-4.8 °C3.3 °C118.36 mm
Annual4.2 °C13.2 °C1227.33 mm

Climate Data for Falmouth 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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