Lowell Massachusetts Climate Data

Monthly Average Climate Data for Lowell Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9 °C1.5 °C92.46 mm
February-7.9 °C3.2 °C83.82 mm
March-3.7 °C7.4 °C110.49 mm
April2.1 °C14.6 °C99.82 mm
May7.9 °C20.4 °C96.77 mm
June13.1 °C25.5 °C107.19 mm
July16.3 °C28.7 °C96.01 mm
August15.3 °C27.8 °C96.27 mm
September11 °C23.8 °C97.79 mm
October4.3 °C16.8 °C123.44 mm
November-0.7 °C10.4 °C98.3 mm
December-5.4 °C4.6 °C112.78 mm
Annual3.6 °C15.4 °C1215.14 mm

Climate Data for Lowell Massachusetts

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°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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