Palmyra Maine Climate Data

Monthly Average Climate Data for Palmyra Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.2 °F27.0 °F3.49 in.
February7.6 °F30.6 °F2.87 in.
March18.6 °F39.6 °F3.62 in.
April30.8 °F52.9 °F3.91 in.
May42.0 °F65.9 °F3.47 in.
June51.7 °F74.3 °F4.2 in.
July57.4 °F79.7 °F3.37 in.
August55.5 °F78.6 °F3.51 in.
September47.6 °F71.1 °F3.76 in.
October36.7 °F57.8 °F4.75 in.
November27.1 °F44.8 °F4.23 in.
December15.4 °F33.3 °F4.24 in.
Annual33.1 °F54.6 °F45.42 in.

Climate Data for Palmyra 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 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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