Long Valley New Jersey Climate Data

Monthly Average Climate Data for Long Valley New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.8 °F37.1 °F3.93 in.
February21.0 °F39.7 °F3.13 in.
March28.2 °F48.0 °F4.18 in.
April38.9 °F60.9 °F4.13 in.
May48.9 °F70.4 °F4.14 in.
June58.0 °F78.7 °F5.11 in.
July62.9 °F83.3 °F4.77 in.
August61.4 °F81.6 °F5.16 in.
September54.0 °F74.8 °F4.99 in.
October42.4 °F63.4 °F4.93 in.
November32.6 °F52.3 °F3.69 in.
December25.7 °F42.1 °F4.57 in.
Annual41.2 °F61 °F52.73 in.

Climate Data for Long Valley New Jersey

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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