Harvey Louisiana Climate Data

Monthly Average Climate Data for Harvey Louisiana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January7 °C16.8 °C140.46 mm
February8.9 °C18.9 °C107.19 mm
March12.2 °C22.3 °C117.86 mm
April15.8 °C25.8 °C126.49 mm
May20.1 °C29.6 °C137.41 mm
June23.2 °C32.2 °C184.15 mm
July24.3 °C33.1 °C192.79 mm
August24.3 °C32.9 °C190.25 mm
September22.4 °C31.1 °C148.84 mm
October17.2 °C26.9 °C99.31 mm
November11.5 °C21.7 °C102.11 mm
December8.3 °C18.1 °C130.56 mm
Annual16.3 °C25.8 °C1677.42 mm

Climate Data for Harvey 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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