Hartland Maine Climate Data

Monthly Average Climate Data for Hartland Maine

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-14.4 °C-2.7 °C89.15 mm
February-13.7 °C-0.7 °C72.9 mm
March-7.7 °C4.3 °C92.96 mm
April-0.8 °C11.7 °C101.09 mm
May5.4 °C18.9 °C87.38 mm
June10.9 °C23.7 °C108.2 mm
July14.1 °C26.6 °C90.68 mm
August13 °C26 °C90.68 mm
September8.6 °C21.9 °C96.77 mm
October2.6 °C14.4 °C120.65 mm
November-2.8 °C7.2 °C107.7 mm
December-9.3 °C0.8 °C107.7 mm
Annual0.5 °C12.7 °C1165.86 mm

Climate Data for Hartland Maine

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 4b : -31.7°C to -28.9°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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