Palermo Maine Climate Data

Monthly Average Climate Data for Palermo Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.4 °F27.4 °F3.46 in.
February10.1 °F30.4 °F3.05 in.
March20.0 °F38.6 °F4.04 in.
April32.9 °F51.3 °F4.13 in.
May44.0 °F64.2 °F3.62 in.
June53.2 °F72.5 °F4.1 in.
July58.8 °F77.9 °F3.28 in.
August57.3 °F77.0 °F3.56 in.
September48.9 °F69.6 °F3.84 in.
October38.2 °F56.5 °F5.22 in.
November27.7 °F44.3 °F4.45 in.
December16.9 °F33.4 °F4.41 in.
Annual34.7 °F53.6 °F47.16 in.

Climate Data for Palermo Maine

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2024 plantmaps.com