Port Sulphur Louisiana Climate Data

Monthly Average Climate Data for Port Sulphur Louisiana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January8.1 °C16.4 °C131.57 mm
February9.7 °C18.3 °C103.38 mm
March12.8 °C21.3 °C107.7 mm
April16.6 °C24.7 °C112.78 mm
May20.8 °C27.9 °C133.35 mm
June23.8 °C31.5 °C183.64 mm
July24.9 °C31.7 °C224.28 mm
August25 °C31.8 °C213.61 mm
September23.6 °C30.1 °C157.23 mm
October19.2 °C26.4 °C113.28 mm
November13.4 °C21.5 °C104.9 mm
December9.4 °C17.8 °C96.77 mm
Annual17.3 °C25 °C1682.49 mm

Climate Data for Port Sulphur Louisiana

Average First Frost DateDec. 11 - Dec. 20
Average Last Frost DateFeb. 21 - Feb. 29
Average Days With Frost5-10 Days
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 ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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