Calais Maine Climate Data

Monthly Average Climate Data for Calais Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.7 °F28.3 °F4.06 in.
February9.9 °F31.2 °F3.25 in.
March19.9 °F39.6 °F3.96 in.
April31.3 °F51.3 °F3.72 in.
May41.2 °F63.2 °F3.79 in.
June50.5 °F72.6 °F3.69 in.
July56.4 °F78.6 °F3.41 in.
August54.7 °F78.3 °F3.29 in.
September47.4 °F70.5 °F3.54 in.
October37.6 °F57.9 °F5.2 in.
November28.8 °F45.8 °F4.8 in.
December17.3 °F34.6 °F4.86 in.
Annual33.6 °F54.3 °F47.57 in.

Climate Data for Calais Maine

Average First Frost DateSep. 21 - Sep. 30
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 ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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