Athol Massachusetts Climate Data

Monthly Average Climate Data for Athol Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.8 °C0.1 °C92.71 mm
February-10.1 °C1.8 °C76.96 mm
March-5.3 °C6.4 °C97.28 mm
April0.8 °C13.8 °C91.44 mm
May6.9 °C20.4 °C88.65 mm
June12.2 °C25.2 °C112.78 mm
July15.2 °C28.2 °C108.97 mm
August14.1 °C27.3 °C107.95 mm
September9.7 °C23.2 °C104.9 mm
October3.3 °C15.6 °C121.16 mm
November-1.9 °C8.9 °C91.44 mm
December-6.9 °C3.1 °C96.52 mm
Annual2.3 °C14.5 °C1190.76 mm

Climate Data for Athol Massachusetts

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 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 ConditionsSevere Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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