Kennebunkport Maine Climate Data

Monthly Average Climate Data for Kennebunkport Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.4 °F33.0 °F3.66 in.
February18.4 °F35.2 °F3.68 in.
March26.1 °F41.8 °F4.61 in.
April35.5 °F52.4 °F4.68 in.
May45.0 °F62.3 °F3.95 in.
June54.4 °F71.7 °F4.43 in.
July60.2 °F77.3 °F3.78 in.
August59.5 °F76.7 °F3.81 in.
September53.2 °F70.0 °F3.93 in.
October42.8 °F58.8 °F5.54 in.
November33.5 °F48.5 °F4.17 in.
December24.2 °F38.9 °F4.72 in.
Annual39.2 °F55.6 °F50.96 in.

Climate Data for Kennebunkport 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 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