Gretna Louisiana Climate Data

Monthly Average Climate Data for Gretna Louisiana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January7 °C16.8 °C140.21 mm
February8.9 °C18.9 °C107.7 mm
March12.3 °C22.3 °C117.35 mm
April15.9 °C25.8 °C126.49 mm
May20.1 °C29.7 °C137.16 mm
June23.3 °C32.2 °C182.88 mm
July24.3 °C33.1 °C192.02 mm
August24.3 °C33 °C195.83 mm
September22.5 °C31.1 °C146.81 mm
October17.3 °C26.9 °C99.31 mm
November11.6 °C21.7 °C102.36 mm
December8.4 °C18.2 °C130.05 mm
Annual16.3 °C25.8 °C1678.17 mm

Climate Data for Gretna Louisiana

Average First Frost DateJan. 1 - Jan. 10
Average Last Frost DateFeb. 11 - Feb. 20
Average Days With FrostFrost Rare
Plant Hardiness Zone - 2023Zone 9b : -3.9°C to -1.1°C
Plant Hardiness Zone - 2012Zone 9b : -3.9°C to -1.1°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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