Porter Maine Climate Data

Monthly Average Climate Data for Porter Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January7.7 °F29.1 °F3.59 in.
February8.8 °F32.1 °F3.66 in.
March18.7 °F40.7 °F4.33 in.
April30.2 °F53.9 °F4.41 in.
May41.2 °F66.6 °F3.77 in.
June50.9 °F74.6 °F4.74 in.
July56.0 °F80.0 °F4.46 in.
August54.1 °F78.7 °F3.87 in.
September46.2 °F71.0 °F3.88 in.
October35.4 °F57.6 °F5.51 in.
November26.4 °F45.0 °F4.5 in.
December15.9 °F34.4 °F4.66 in.
Annual32.6 °F55.3 °F51.38 in.

Climate Data for Porter Maine

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfc - Subarctic With Cool Summers And Year Around Rainfall
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