Billerica Massachusetts Climate Data

Monthly Average Climate Data for Billerica Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.6 °C1.7 °C94.74 mm
February-7.6 °C3.3 °C86.61 mm
March-3.4 °C7.4 °C115.57 mm
April2.3 °C14.4 °C104.14 mm
May7.9 °C20.2 °C93.73 mm
June13.1 °C25.2 °C106.93 mm
July16.3 °C28.4 °C94.49 mm
August15.5 °C27.6 °C94.49 mm
September11.2 °C23.7 °C95.5 mm
October4.8 °C16.8 °C122.43 mm
November-0.3 °C10.7 °C99.82 mm
December-4.9 °C4.9 °C118.87 mm
Annual3.9 °C15.4 °C1227.32 mm

Climate Data for Billerica Massachusetts

Average First Frost DateOct. 1 - Oct. 10
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