Blairstown New Jersey Climate Data

Monthly Average Climate Data for Blairstown New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.4 °C2.8 °C88.14 mm
February-6.7 °C4.6 °C70.87 mm
March-3.1 °C9.2 °C99.31 mm
April2.7 °C16.3 °C97.03 mm
May8.5 °C21.9 °C101.85 mm
June13.6 °C26.2 °C123.7 mm
July16.3 °C28.9 °C114.05 mm
August15.3 °C27.8 °C120.9 mm
September11.3 °C24.4 °C119.38 mm
October4.8 °C17.8 °C117.09 mm
November-0.8 °C11.6 °C85.6 mm
December-4.5 °C5.7 °C105.41 mm
Annual4.2 °C16.4 °C1243.33 mm

Climate Data for Blairstown New Jersey

Average First Frost DateOct. 11 - Oct. 20
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 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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