Decatur Georgia Climate Data

Monthly Average Climate Data for Decatur Georgia

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January0 °C11.2 °C119.63 mm
February1.6 °C13.4 °C122.94 mm
March5.3 °C17.9 °C130.3 mm
April9.7 °C22.3 °C107.19 mm
May14.8 °C26.4 °C97.54 mm
June19.2 °C29.8 °C112.78 mm
July21.1 °C31.3 °C131.06 mm
August20.6 °C31 °C111 mm
September17.3 °C28.1 °C105.66 mm
October10.9 °C22.8 °C97.03 mm
November4.7 °C17.1 °C110.74 mm
December1.7 °C12.6 °C122.68 mm
Annual10.6 °C22 °C1368.55 mm

Climate Data for Decatur Georgia

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost30-40 Days
Plant Hardiness Zone - 2023Zone 8a : -12.2°C to -9.4°C
Plant Hardiness Zone - 2012Zone 7b : -15°C to -12.2°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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