Winters in Alpharetta are mild, with temperatures rarely dipping below freezing and averaging around 7-11 degrees Celsius. Spring brings a gradual warming trend, with March and April often seeing highs in the mid-to-upper 20s Celsius. Summers are warm to hot, with July and August typically experiencing highs above 30 degrees Celsius. Autumn is generally cooler, with temperatures dropping into single digits Celsius by November, but still mild overall. The temperature range remains relatively stable throughout the year, with minimal extremes experienced during any season.