Waterville Maine Climate Data

Monthly Average Climate Data for Waterville Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.3 °F28.9 °F3.04 in.
February10.7 °F32.0 °F2.58 in.
March21.0 °F40.6 °F3.07 in.
April32.4 °F53.5 °F3.67 in.
May43.3 °F65.7 °F3.37 in.
June53.1 °F74.5 °F4.0 in.
July59.0 °F79.9 °F3.41 in.
August57.5 °F79.1 °F3.52 in.
September49.7 °F71.5 °F3.73 in.
October38.8 °F58.6 °F4.94 in.
November29.0 °F46.0 °F3.79 in.
December17.8 °F34.9 °F3.82 in.
Annual35.1 °F55.4 °F42.94 in.

Climate Data for Waterville 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 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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