Sumner Maine Climate Data

Monthly Average Climate Data for Sumner Maine

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.9 °C-2.6 °C85.09 mm
February-12.3 °C-0.9 °C75.95 mm
March-6.8 °C3.9 °C89.92 mm
April-0.2 °C11.1 °C106.43 mm
May5.9 °C18.3 °C97.79 mm
June11.2 °C22.9 °C128.27 mm
July14.2 °C25.9 °C101.35 mm
August13.2 °C25.4 °C103.89 mm
September8.8 °C21.3 °C89.15 mm
October2.9 °C13.9 °C139.7 mm
November-2.5 °C6.9 °C105.92 mm
December-8.2 °C0.7 °C107.44 mm
Annual1.1 °C12.2 °C1230.9 mm

Climate Data for Sumner 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 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 ClassificationDfc - Subarctic With Cool Summers And Year Around Rainfall
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