Gretna Louisiana Climate Data

Monthly Average Climate Data for Gretna Louisiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January44.6 °F62.3 °F5.52 in.
February48.0 °F66.0 °F4.24 in.
March54.1 °F72.2 °F4.62 in.
April60.6 °F78.4 °F4.98 in.
May68.2 °F85.4 °F5.4 in.
June74.0 °F90.0 °F7.2 in.
July75.8 °F91.6 °F7.56 in.
August75.8 °F91.4 °F7.71 in.
September72.5 °F87.9 °F5.78 in.
October63.2 °F80.5 °F3.91 in.
November52.9 °F71.0 °F4.03 in.
December47.1 °F64.7 °F5.12 in.
Annual61.4 °F78.5 °F66.07 in.

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 : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate