Chelsea Maine Climate Data

Monthly Average Climate Data for Chelsea Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.5 °F28.7 °F3.5 in.
February12.3 °F31.7 °F2.97 in.
March22.0 °F40.0 °F3.71 in.
April33.5 °F52.6 °F4.19 in.
May44.3 °F64.8 °F3.53 in.
June53.7 °F73.4 °F4.32 in.
July59.6 °F79.0 °F3.35 in.
August58.2 °F78.2 °F3.52 in.
September50.4 °F70.8 °F3.92 in.
October39.5 °F57.7 °F5.37 in.
November29.4 °F45.6 °F4.41 in.
December18.7 °F34.8 °F4.27 in.
Annual36 °F54.8 °F47.06 in.

Climate Data for Chelsea Maine

Average First Frost DateOct. 11 - Oct. 20
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 ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year