Cornish Maine Climate Data

Monthly Average Climate Data for Cornish Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.5 °F30.5 °F3.67 in.
February10.1 °F33.7 °F3.79 in.
March20.2 °F42.1 °F4.58 in.
April31.7 °F54.6 °F4.28 in.
May42.7 °F66.9 °F3.54 in.
June52.9 °F75.8 °F4.81 in.
July58.2 °F81.6 °F4.45 in.
August56.4 °F80.5 °F3.86 in.
September48.5 °F72.6 °F3.8 in.
October37.0 °F59.2 °F5.47 in.
November27.4 °F46.6 °F4.45 in.
December16.8 °F35.9 °F4.64 in.
Annual34.3 °F56.7 °F51.34 in.

Climate Data for Cornish 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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