Monmouth Maine Climate Data

Monthly Average Climate Data for Monmouth Maine

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.9 °C-1.6 °C89.66 mm
February-10.9 °C0.1 °C80.01 mm
March-5.5 °C4.7 °C94.49 mm
April0.7 °C11.6 °C108.2 mm
May6.7 °C18.2 °C90.93 mm
June12 °C23.1 °C116.33 mm
July15.2 °C26.3 °C92.2 mm
August14.4 °C25.8 °C90.17 mm
September10.2 °C21.7 °C96.77 mm
October4 °C14.5 °C135.64 mm
November-1.5 °C7.8 °C108.71 mm
December-7.3 °C1.8 °C110.49 mm
Annual2.2 °C12.8 °C1213.6 mm

Climate Data for Monmouth 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 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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