Blairstown New Jersey Climate Data

Monthly Average Climate Data for Blairstown New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.6 °F37.0 °F3.47 in.
February20.0 °F40.2 °F2.79 in.
March26.5 °F48.5 °F3.91 in.
April36.8 °F61.4 °F3.82 in.
May47.3 °F71.5 °F4.01 in.
June56.5 °F79.2 °F4.87 in.
July61.3 °F84.1 °F4.49 in.
August59.5 °F82.1 °F4.76 in.
September52.4 °F75.9 °F4.7 in.
October40.7 °F64.1 °F4.61 in.
November30.5 °F52.9 °F3.37 in.
December23.9 °F42.2 °F4.15 in.
Annual39.5 °F61.6 °F48.95 in.

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 : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year