Marietta Texas Climate Data

Monthly Average Climate Data for Marietta Texas

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January33.9 °F55.8 °F3.74 in.
February36.8 °F59.6 °F4.45 in.
March44.3 °F67.6 °F4.73 in.
April51.6 °F75.3 °F4.52 in.
May61.2 °F82.6 °F5.1 in.
June68.8 °F89.5 °F4.18 in.
July71.8 °F93.5 °F3.53 in.
August70.8 °F94.1 °F2.87 in.
September64.5 °F88.1 °F4.14 in.
October52.3 °F77.8 °F4.8 in.
November42.9 °F66.3 °F4.03 in.
December35.8 °F57.7 °F4.7 in.
Annual52.9 °F75.7 °F50.79 in.

Climate Data for Marietta Texas

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost40-50 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
2024 plantmaps.com