Dedham Maine Climate Data

Monthly Average Climate Data for Dedham Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.9 °F25.2 °F3.59 in.
February14.2 °F29.5 °F2.88 in.
March20.5 °F37.7 °F3.85 in.
April34.3 °F49.9 °F4.07 in.
May45.4 °F61.6 °F3.65 in.
June54.7 °F70.6 °F3.96 in.
July60.8 °F76.4 °F3.34 in.
August59.6 °F75.7 °F3.4 in.
September52.0 °F68.2 °F3.77 in.
October41.0 °F55.5 °F5.0 in.
November30.8 °F42.4 °F4.35 in.
December19.7 °F31.2 °F4.51 in.
Annual37.2 °F52 °F46.37 in.

Climate Data for Dedham Maine

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 1 - Jun. 10
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