Guilford Maine Climate Data

Monthly Average Climate Data for Guilford Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January5.0 °F25.7 °F3.47 in.
February6.2 °F29.3 °F2.84 in.
March17.1 °F38.5 °F3.53 in.
April29.3 °F51.5 °F3.69 in.
May40.6 °F64.6 °F3.78 in.
June50.5 °F73.1 °F4.69 in.
July56.1 °F78.7 °F3.8 in.
August54.2 °F77.6 °F3.63 in.
September46.2 °F70.0 °F3.79 in.
October35.6 °F56.4 °F5.04 in.
November26.1 °F43.7 °F4.16 in.
December14.3 °F32.2 °F4.06 in.
Annual31.8 °F53.4 °F46.48 in.

Climate Data for Guilford Maine

Average First Frost DateSep. 21 - Sep. 30
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 4b : -25°F to -20°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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