Mount Vernon Maine Climate Data

Monthly Average Climate Data for Mount Vernon Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.8 °F27.6 °F3.44 in.
February10.1 °F30.5 °F3.02 in.
March20.0 °F39.2 °F3.56 in.
April31.9 °F52.2 °F4.1 in.
May42.9 °F64.9 °F3.62 in.
June52.3 °F73.3 °F4.74 in.
July57.8 °F78.8 °F3.82 in.
August56.1 °F77.9 °F3.65 in.
September48.2 °F70.5 °F3.66 in.
October37.5 °F57.3 °F5.37 in.
November27.7 °F44.7 °F4.26 in.
December17.1 °F33.7 °F4.29 in.
Annual34.2 °F54.2 °F47.53 in.

Climate Data for Mount Vernon 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 5a : -20°F to -15°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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