Irondale Alabama Climate Data

Monthly Average Climate Data for Irondale Alabama

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.9 °C11.8 °C132.84 mm
February3.3 °C14.2 °C138.43 mm
March7.2 °C18.7 °C144.02 mm
April11.3 °C22.9 °C133.6 mm
May16.4 °C26.8 °C119.38 mm
June20.6 °C30.2 °C125.48 mm
July22.3 °C31.8 °C131.83 mm
August21.9 °C31.6 °C112.78 mm
September18.9 °C29.1 °C112.52 mm
October12.5 °C23.6 °C88.39 mm
November6.6 °C17.7 °C120.9 mm
December3.2 °C13.1 °C139.95 mm
Annual12.2 °C22.6 °C1500.12 mm

Climate Data for Irondale Alabama

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8a : -12.2°C to -9.4°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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