Lewiston Maine Climate Data

Monthly Average Climate Data for Lewiston Maine

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.9 °C-1.4 °C81.03 mm
February-11 °C0.2 °C80.77 mm
March-5.4 °C4.9 °C94.49 mm
April0.7 °C11.8 °C109.47 mm
May6.7 °C18.5 °C87.38 mm
June12.2 °C23.3 °C113.54 mm
July15.3 °C26.7 °C90.42 mm
August14.6 °C26.1 °C84.33 mm
September10.3 °C21.9 °C96.77 mm
October4.2 °C14.6 °C127.51 mm
November-1.3 °C7.9 °C103.63 mm
December-7.2 °C2.1 °C109.73 mm
Annual2.3 °C13.1 °C1179.07 mm

Climate Data for Lewiston Maine

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
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 ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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