Kennebunk Maine Climate Data

Monthly Average Climate Data for Kennebunk Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.2 °F32.9 °F3.62 in.
February16.8 °F35.1 °F3.61 in.
March25.2 °F42.3 °F4.55 in.
April35.3 °F53.6 °F4.54 in.
May45.3 °F64.0 °F3.81 in.
June55.0 °F72.7 °F4.4 in.
July60.9 °F78.3 °F3.62 in.
August59.7 °F77.6 °F3.66 in.
September52.4 °F70.8 °F3.92 in.
October41.2 °F59.1 °F5.36 in.
November31.6 °F48.7 °F4.22 in.
December22.4 °F38.7 °F4.66 in.
Annual38.4 °F56.2 °F49.97 in.

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 : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year