Chelsea Maine Climate Data

Monthly Average Climate Data for Chelsea Maine

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.9 °C-1.8 °C88.9 mm
February-10.9 °C-0.2 °C75.44 mm
March-5.6 °C4.4 °C94.23 mm
April0.8 °C11.4 °C106.43 mm
May6.8 °C18.2 °C89.66 mm
June12.1 °C23 °C109.73 mm
July15.3 °C26.1 °C85.09 mm
August14.6 °C25.7 °C89.41 mm
September10.2 °C21.6 °C99.57 mm
October4.2 °C14.3 °C136.4 mm
November-1.4 °C7.6 °C112.01 mm
December-7.4 °C1.6 °C108.46 mm
Annual2.2 °C12.7 °C1195.33 mm

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 : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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