Wellfleet Massachusetts Climate Data

Monthly Average Climate Data for Wellfleet Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.4 °C3.7 °C100.58 mm
February-3.1 °C3.9 °C80.26 mm
March-0.4 °C6.7 °C106.68 mm
April4.3 °C11.7 °C105.16 mm
May9.1 °C17.1 °C75.95 mm
June14.2 °C22.5 °C83.57 mm
July18.1 °C26.2 °C62.23 mm
August17.8 °C25.6 °C87.63 mm
September14.7 °C22.2 °C102.36 mm
October9.3 °C16.5 °C118.36 mm
November4.2 °C11.3 °C104.65 mm
December0 °C7.1 °C111.25 mm
Annual7.1 °C14.5 °C1138.68 mm

Climate Data for Wellfleet 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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