Roswell Georgia Climate Data

Monthly Average Climate Data for Roswell Georgia

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January31.0 °F51.2 °F5.11 in.
February33.9 °F55.4 °F4.85 in.
March40.2 °F63.5 °F5.12 in.
April48.1 °F71.7 °F4.33 in.
May57.3 °F78.9 °F3.99 in.
June65.3 °F85.1 °F4.33 in.
July68.8 °F87.9 °F5.06 in.
August68.0 °F87.4 °F4.09 in.
September61.8 °F82.2 °F4.37 in.
October50.1 °F72.6 °F3.7 in.
November39.1 °F62.1 °F4.27 in.
December34.1 °F53.8 °F4.71 in.
Annual49.8 °F71 °F53.93 in.

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 : 10°F to 15°F
Plant Hardiness Zone - 2012Zone 7b : 5°F to 10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate