Grand Coteau Louisiana Climate Data

Monthly Average Climate Data for Grand Coteau Louisiana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January5.2 °C16.5 °C173.23 mm
February7.1 °C18.6 °C119.89 mm
March10.6 °C22.3 °C107.19 mm
April14.1 °C25.8 °C126.75 mm
May18.6 °C29.4 °C148.08 mm
June21.9 °C32.2 °C168.15 mm
July23 °C33 °C138.43 mm
August22.6 °C33.4 °C141.22 mm
September20.1 °C31.3 °C135.64 mm
October14.4 °C27.2 °C128.27 mm
November9.1 °C21.6 °C125.73 mm
December6.2 °C17.7 °C128.02 mm
Annual14.4 °C25.8 °C1640.6 mm

Climate Data for Grand Coteau Louisiana

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 1 - Mar. 10
Average Days With Frost10-20 Days
Plant Hardiness Zone - 2023Zone 9a : -6.7°C to -3.9°C
Plant Hardiness Zone - 2012Zone 9a : -6.7°C to -3.9°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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