Truro Massachusetts Climate Data

Monthly Average Climate Data for Truro Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.8 °F38.6 °F4.06 in.
February26.6 °F39.8 °F3.39 in.
March31.3 °F45.0 °F4.67 in.
April39.9 °F54.0 °F3.95 in.
May48.7 °F63.9 °F3.09 in.
June58.0 °F73.5 °F3.31 in.
July64.9 °F80.5 °F2.65 in.
August64.1 °F79.3 °F3.25 in.
September58.4 °F72.7 °F3.93 in.
October49.0 °F62.1 °F4.45 in.
November40.0 °F52.4 °F4.22 in.
December31.8 °F44.3 °F4.52 in.
Annual44.9 °F58.8 °F45.49 in.

Climate Data for Truro Massachusetts

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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