Marietta North Carolina Climate Data

Monthly Average Climate Data for Marietta North Carolina

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January0.8 °C13 °C89.15 mm
February2.1 °C14.8 °C85.09 mm
March5.3 °C18.9 °C91.95 mm
April9.9 °C23.7 °C86.61 mm
May14.9 °C27.4 °C96.52 mm
June19.6 °C30.7 °C125.73 mm
July21.6 °C32.2 °C131.06 mm
August20.8 °C31.4 °C144.02 mm
September17.7 °C28.5 °C145.54 mm
October11.1 °C23.9 °C90.68 mm
November5.3 °C18.7 °C84.07 mm
December2.3 °C14.6 °C92.71 mm
Annual11 °C23.2 °C1263.13 mm

Climate Data for Marietta North Carolina

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8a : -12.2°C to -9.4°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate