Fitchburg Massachusetts Climate Data

Monthly Average Climate Data for Fitchburg Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.3 °F33.4 °F3.78 in.
February15.9 °F36.2 °F3.42 in.
March23.9 °F44.0 °F4.44 in.
April34.8 °F57.3 °F4.16 in.
May45.8 °F68.5 °F3.85 in.
June55.2 °F77.3 °F4.31 in.
July60.8 °F82.7 °F3.95 in.
August58.8 °F81.2 °F3.76 in.
September50.9 °F74.0 °F4.18 in.
October39.1 °F61.3 °F5.12 in.
November29.8 °F49.4 °F3.95 in.
December20.9 °F38.8 °F4.51 in.
Annual37.5 °F58.7 °F49.43 in.

Climate Data for Fitchburg Massachusetts

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year