Penobscot Maine Climate Data

Monthly Average Climate Data for Penobscot Maine

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.9 °C-1.4 °C98.04 mm
February-11 °C0.1 °C82.8 mm
March-5.7 °C4.3 °C102.87 mm
April0.2 °C10.9 °C109.98 mm
May5.8 °C17.3 °C96.27 mm
June10.9 °C22.3 °C104.65 mm
July14.4 °C25.6 °C81.79 mm
August13.7 °C25.2 °C82.3 mm
September9.7 °C21.1 °C97.28 mm
October3.9 °C14.3 °C132.59 mm
November-1.2 °C7.8 °C118.87 mm
December-7.4 °C1.9 °C119.13 mm
Annual1.8 °C12.5 °C1226.57 mm

Climate Data for Penobscot Maine

Average First Frost DateOct. 1 - Oct. 10
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 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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