Hartford Maine Climate Data

Monthly Average Climate Data for Hartford Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.1 °F27.3 °F3.64 in.
February10.3 °F30.1 °F3.48 in.
March20.0 °F38.9 °F4.0 in.
April31.7 °F51.9 °F4.61 in.
May42.8 °F64.8 °F4.01 in.
June52.2 °F73.2 °F5.44 in.
July57.7 °F78.7 °F4.02 in.
August55.9 °F77.7 °F4.13 in.
September47.9 °F70.3 °F3.67 in.
October37.4 °F57.0 °F5.82 in.
November27.7 °F44.4 °F4.5 in.
December17.3 °F33.3 °F4.73 in.
Annual34.2 °F54 °F52.05 in.

Climate Data for Hartford 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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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