Jefferson Louisiana Climate Data

Monthly Average Climate Data for Jefferson Louisiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January45.3 °F62.0 °F5.55 in.
February48.6 °F65.7 °F4.28 in.
March55.0 °F72.0 °F4.53 in.
April61.7 °F78.4 °F4.81 in.
May69.3 °F85.3 °F5.46 in.
June74.9 °F90.1 °F7.38 in.
July76.8 °F91.5 °F7.61 in.
August76.6 °F91.3 °F7.41 in.
September73.5 °F87.7 °F5.56 in.
October64.5 °F80.3 °F3.83 in.
November54.3 °F70.6 °F4.13 in.
December48.0 °F64.3 °F5.21 in.
Annual62.4 °F78.3 °F65.76 in.

Climate Data for Jefferson Louisiana

Average First Frost DateJan. 1 - Jan. 10
Average Last Frost DateJan. 21 - Jan. 31
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 ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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