Lynn Massachusetts Climate Data

Monthly Average Climate Data for Lynn Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.9 °F36.6 °F3.86 in.
February22.6 °F38.7 °F3.59 in.
March29.3 °F45.0 °F4.71 in.
April39.0 °F56.1 °F4.2 in.
May48.6 °F65.8 °F3.53 in.
June58.2 °F75.3 °F4.12 in.
July64.0 °F81.4 °F3.61 in.
August63.0 °F80.0 °F3.49 in.
September56.0 °F73.0 °F3.68 in.
October45.3 °F61.8 °F4.76 in.
November35.9 °F51.5 °F3.98 in.
December27.2 °F42.1 °F4.75 in.
Annual42.5 °F58.9 °F48.28 in.

Climate Data for Lynn Massachusetts

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation