Kennebunk Maine Climate Data

Monthly Average Climate Data for Kennebunk Maine

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.3 °C0.5 °C91.95 mm
February-8.4 °C1.7 °C91.69 mm
March-3.8 °C5.7 °C115.57 mm
April1.8 °C12 °C115.32 mm
May7.4 °C17.8 °C96.77 mm
June12.8 °C22.6 °C111.76 mm
July16.1 °C25.7 °C91.95 mm
August15.4 °C25.3 °C92.96 mm
September11.3 °C21.6 °C99.57 mm
October5.1 °C15.1 °C136.14 mm
November-0.2 °C9.3 °C107.19 mm
December-5.3 °C3.7 °C118.36 mm
Annual3.6 °C13.4 °C1269.23 mm

Climate Data for Kennebunk 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 6a : -23.3°C to -20.6°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