Roswell Georgia Climate Data

Monthly Average Climate Data for Roswell Georgia

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-0.6 °C10.7 °C129.79 mm
February1.1 °C13 °C123.19 mm
March4.6 °C17.5 °C130.05 mm
April8.9 °C22.1 °C109.98 mm
May14.1 °C26.1 °C101.35 mm
June18.5 °C29.5 °C109.98 mm
July20.4 °C31.1 °C128.52 mm
August20 °C30.8 °C103.89 mm
September16.6 °C27.9 °C111 mm
October10.1 °C22.6 °C93.98 mm
November3.9 °C16.7 °C108.46 mm
December1.2 °C12.1 °C119.63 mm
Annual9.9 °C21.7 °C1369.82 mm

Climate Data for Roswell Georgia

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost40-50 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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