Scarborough Maine Climate Data

Monthly Average Climate Data for Scarborough Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.3 °F32.5 °F3.53 in.
February18.5 °F34.8 °F3.55 in.
March26.4 °F41.5 °F4.28 in.
April36.6 °F52.9 °F4.36 in.
May46.5 °F63.3 °F3.6 in.
June56.0 °F72.9 °F4.26 in.
July61.9 °F78.6 °F3.53 in.
August61.1 °F78.0 °F3.41 in.
September53.7 °F70.9 °F3.86 in.
October43.2 °F59.4 °F5.15 in.
November33.9 °F48.4 °F4.27 in.
December24.3 °F38.5 °F4.62 in.
Annual40 °F56 °F48.42 in.

Climate Data for Scarborough Maine

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 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