Marietta North Carolina Climate Data

Monthly Average Climate Data for Marietta North Carolina

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January33.4 °F55.4 °F3.51 in.
February35.7 °F58.6 °F3.35 in.
March41.5 °F66.0 °F3.62 in.
April49.9 °F74.6 °F3.41 in.
May58.8 °F81.3 °F3.8 in.
June67.3 °F87.2 °F4.95 in.
July70.8 °F90.0 °F5.16 in.
August69.4 °F88.5 °F5.67 in.
September63.9 °F83.3 °F5.73 in.
October51.9 °F75.0 °F3.57 in.
November41.6 °F65.7 °F3.31 in.
December36.2 °F58.2 °F3.65 in.
Annual51.7 °F73.7 °F49.73 in.

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 : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8a : 10°F to 15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate