Topsham Maine Climate Data

Monthly Average Climate Data for Topsham Maine

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.5 °C-0.9 °C93.98 mm
February-10.4 °C0.8 °C89.66 mm
March-5.2 °C5.1 °C105.16 mm
April0.7 °C11.8 °C113.28 mm
May6.5 °C17.9 °C92.2 mm
June11.9 °C22.8 °C121.41 mm
July15.2 °C26.1 °C93.22 mm
August14.4 °C25.7 °C87.63 mm
September10.3 °C21.6 °C102.62 mm
October4.2 °C14.7 °C138.68 mm
November-1.2 °C8.2 °C115.06 mm
December-7.1 °C2.4 °C119.38 mm
Annual2.3 °C13 °C1272.28 mm

Climate Data for Topsham Maine

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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