Seabrook Massachusetts Climate Data

Monthly Average Climate Data for Seabrook Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.5 °C3.9 °C107.19 mm
February-4 °C4.4 °C94.49 mm
March-0.8 °C7.3 °C131.57 mm
April4.1 °C12.1 °C111.76 mm
May9.2 °C17.3 °C89.41 mm
June14.4 °C22.4 °C94.49 mm
July18.2 °C26 °C75.95 mm
August17.9 °C25.7 °C93.47 mm
September14.3 °C22.5 °C103.12 mm
October8.5 °C16.9 °C121.67 mm
November3.4 °C11.8 °C106.17 mm
December-1.1 °C7.1 °C132.33 mm
Annual6.6 °C14.8 °C1261.62 mm

Climate Data for Seabrook 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 : -17.8°C to -15°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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