Palermo Maine Climate Data

Monthly Average Climate Data for Palermo Maine

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-13.1 °C-2.6 °C87.88 mm
February-12.2 °C-0.9 °C77.47 mm
March-6.7 °C3.7 °C102.62 mm
April0.5 °C10.7 °C104.9 mm
May6.7 °C17.9 °C91.95 mm
June11.8 °C22.5 °C104.14 mm
July14.9 °C25.5 °C83.31 mm
August14.1 °C25 °C90.42 mm
September9.4 °C20.9 °C97.54 mm
October3.4 °C13.6 °C132.59 mm
November-2.4 °C6.8 °C113.03 mm
December-8.4 °C0.8 °C112.01 mm
Annual1.5 °C12 °C1197.86 mm

Climate Data for Palermo 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 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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