Jefferson Maine Climate Data

Monthly Average Climate Data for Jefferson Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.8 °F29.8 °F3.76 in.
February13.9 °F32.8 °F3.38 in.
March23.1 °F40.7 °F4.11 in.
April33.8 °F52.9 °F4.37 in.
May44.2 °F64.1 °F3.7 in.
June53.6 °F72.8 °F4.43 in.
July59.5 °F78.5 °F3.43 in.
August58.4 °F77.6 °F3.37 in.
September51.1 °F70.4 °F4.0 in.
October40.3 °F58.0 °F5.4 in.
November30.5 °F46.4 °F4.56 in.
December20.0 °F35.7 °F4.61 in.
Annual36.7 °F55 °F49.12 in.

Climate Data for Jefferson Maine

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 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
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