Harrison Maine Climate Data

Monthly Average Climate Data for Harrison Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.2 °F28.7 °F3.46 in.
February10.4 °F31.9 °F3.5 in.
March20.3 °F40.5 °F3.91 in.
April31.8 °F53.7 °F4.2 in.
May43.1 °F66.4 °F3.59 in.
June53.1 °F73.9 °F4.79 in.
July58.7 °F79.3 °F4.23 in.
August57.0 °F78.1 °F4.1 in.
September49.1 °F70.4 °F3.94 in.
October37.8 °F57.5 °F5.48 in.
November27.9 °F45.3 °F4.4 in.
December17.4 °F34.5 °F4.48 in.
Annual34.7 °F55 °F50.08 in.

Climate Data for Harrison Maine

Average First Frost DateOct. 1 - Oct. 10
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 ConditionsNormal
Köppen Climate ClassificationDfc - Subarctic With Cool Summers And Year Around Rainfall
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