Winterport Maine Climate Data

Monthly Average Climate Data for Winterport Maine

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.9 °C-1.9 °C100.58 mm
February-11.9 °C-0.3 °C85.09 mm
March-6.1 °C4.2 °C108.71 mm
April-0.1 °C11.2 °C110.74 mm
May5.6 °C17.9 °C96.01 mm
June10.7 °C22.9 °C102.11 mm
July14.3 °C26.1 °C83.06 mm
August13.3 °C25.6 °C85.09 mm
September9.1 °C21.3 °C97.28 mm
October3.2 °C14.3 °C125.73 mm
November-1.8 °C7.7 °C110.49 mm
December-8.2 °C1.5 °C124.21 mm
Annual1.3 °C12.5 °C1229.1 mm

Climate Data for Winterport 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 5a : -28.9°C to -26.1°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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