Truro Massachusetts Climate Data

Monthly Average Climate Data for Truro Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.4 °C3.7 °C103.12 mm
February-3 °C4.3 °C86.11 mm
March-0.4 °C7.2 °C118.62 mm
April4.4 °C12.2 °C100.33 mm
May9.3 °C17.7 °C78.49 mm
June14.4 °C23.1 °C84.07 mm
July18.3 °C26.9 °C67.31 mm
August17.8 °C26.3 °C82.55 mm
September14.7 °C22.6 °C99.82 mm
October9.4 °C16.7 °C113.03 mm
November4.4 °C11.3 °C107.19 mm
December-0.1 °C6.8 °C114.81 mm
Annual7.2 °C14.9 °C1155.45 mm

Climate Data for Truro Massachusetts

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : -15°C to -12.2°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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