Orono Maine Climate Data

Monthly Average Climate Data for Orono Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January7.3 °F27.8 °F3.39 in.
February8.9 °F30.8 °F2.55 in.
March20.0 °F39.3 °F3.3 in.
April31.3 °F52.0 °F3.4 in.
May41.7 °F64.5 °F3.23 in.
June50.8 °F73.8 °F3.71 in.
July57.2 °F79.4 °F3.16 in.
August55.1 °F78.3 °F3.12 in.
September47.4 °F70.1 °F3.47 in.
October36.7 °F56.9 °F4.46 in.
November27.9 °F45.1 °F3.83 in.
December16.3 °F34.1 °F4.39 in.
Annual33.4 °F54.3 °F42.01 in.

Climate Data for Orono 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 ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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