Sayreville New Jersey Climate Data

Monthly Average Climate Data for Sayreville New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.6 °C4.7 °C92.2 mm
February-3.7 °C6.2 °C71.63 mm
March0.1 °C10.6 °C106.93 mm
April5.4 °C17.1 °C97.28 mm
May10.8 °C22.6 °C101.85 mm
June15.9 °C27.6 °C115.32 mm
July19.1 °C30.3 °C123.44 mm
August18.1 °C29.2 °C116.33 mm
September14.2 °C25.6 °C108.2 mm
October7.7 °C18.9 °C104.65 mm
November2.3 °C13.1 °C85.6 mm
December-1.6 °C7.6 °C108.97 mm
Annual7 °C17.8 °C1232.4 mm

Climate Data for Sayreville New Jersey

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 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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