South Thomaston Maine Climate Data

Monthly Average Climate Data for South Thomaston Maine

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.4 °C-0.1 °C113.79 mm
February-7.9 °C0.8 °C95.5 mm
March-4.1 °C4.3 °C120.9 mm
April1.5 °C10.2 °C118.87 mm
May6.5 °C15.6 °C95.5 mm
June11.2 °C20.4 °C101.85 mm
July14.6 °C23.8 °C82.55 mm
August14.3 °C23.7 °C75.95 mm
September10.9 °C20.1 °C112.27 mm
October5.7 °C13.9 °C133.1 mm
November0.9 °C8.6 °C123.44 mm
December-4.6 °C3.2 °C125.98 mm
Annual3.4 °C12 °C1299.7 mm

Climate Data for South Thomaston Maine

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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