Mount Royal New Jersey Climate Data

Monthly Average Climate Data for Mount Royal New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.1 °C5.2 °C91.95 mm
February-2.3 °C6.6 °C72.14 mm
March1.3 °C10.9 °C112.27 mm
April7.1 °C17.7 °C89.92 mm
May12.4 °C23 °C93.98 mm
June17.8 °C28.2 °C107.95 mm
July20.8 °C30.6 °C116.84 mm
August20 °C29.5 °C117.35 mm
September16.2 °C25.8 °C105.16 mm
October9.5 °C19.3 °C98.3 mm
November3.8 °C13.2 °C77.47 mm
December-0.1 °C7.9 °C106.43 mm
Annual8.6 °C18.2 °C1189.76 mm

Climate Data for Mount Royal New Jersey

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : -15°C to -12.2°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate