Seabrook Beach New Hampshire Climate Data

Monthly Average Climate Data for Seabrook Beach New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.3 °C1.4 °C96.27 mm
February-6.5 °C2.8 °C92.96 mm
March-2.9 °C6.7 °C118.87 mm
April2.3 °C13.2 °C111 mm
May7.7 °C18.6 °C104.39 mm
June12.9 °C24.1 °C112.52 mm
July16.4 °C27.5 °C89.66 mm
August15.7 °C26.8 °C88.65 mm
September12.2 °C22.7 °C100.58 mm
October6.5 °C15.9 °C127 mm
November1.3 °C10 °C101.09 mm
December-3.6 °C4.4 °C121.16 mm
Annual4.6 °C14.5 °C1264.15 mm

Climate Data for Seabrook Beach New Hampshire

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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