Jefferson Louisiana Climate Data

Monthly Average Climate Data for Jefferson Louisiana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January7.4 °C16.7 °C140.97 mm
February9.2 °C18.7 °C108.71 mm
March12.8 °C22.2 °C115.06 mm
April16.5 °C25.8 °C122.17 mm
May20.7 °C29.6 °C138.68 mm
June23.8 °C32.3 °C187.45 mm
July24.9 °C33.1 °C193.29 mm
August24.8 °C32.9 °C188.21 mm
September23.1 °C30.9 °C141.22 mm
October18.1 °C26.8 °C97.28 mm
November12.4 °C21.4 °C104.9 mm
December8.9 °C17.9 °C132.33 mm
Annual16.9 °C25.7 °C1670.27 mm

Climate Data for Jefferson Louisiana

Average First Frost DateJan. 1 - Jan. 10
Average Last Frost DateFeb. 1 - Feb. 10
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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