When to go · Alpharetta, United States
Best Time to Visit Alpharetta
Aim for October, April and May: that's when Alpharetta's weather is at its best. The full month-by-month picture is below.
Go now
October, April, May
Comfortable and drier
Shoulder
September, November, June
Fewer crowds, a trade-off
Think twice
February, December
Wettest is July (193mm)
Alpharetta weather, month by month
| Month | High | Low | Rain | Feel |
|---|---|---|---|---|
| Jan | 11°C / 52°F | 2°C / 36°F | 131mm | cool, wet |
| Feb | 15°C / 59°F | 4°C / 39°F | 153mm | cool, wet |
| Mar | 18°C / 64°F | 7°C / 45°F | 172mm | mild, wet |
| AprBEST | 21°C / 70°F | 9°C / 48°F | 116mm | mild, some rain |
| MayBEST | 26°C / 79°F | 15°C / 59°F | 118mm | warm, some rain |
| Jun | 29°C / 84°F | 19°C / 66°F | 148mm | hot, wet |
| Jul | 31°C / 88°F | 21°C / 70°F | 193mm | hot, wet |
| Aug | 30°C / 86°F | 21°C / 70°F | 178mm | hot, wet |
| Sep | 27°C / 81°F | 17°C / 63°F | 171mm | warm, wet |
| OctBEST | 22°C / 72°F | 11°C / 52°F | 100mm | mild, some rain |
| Nov | 16°C / 61°F | 6°C / 43°F | 78mm | cool, some rain |
| Dec | 14°C / 57°F | 5°C / 41°F | 138mm | cool, wet |
Averages from Open-Meteo ERA5 climate reanalysis, 2019 to 2023. Highs and lows are daily averages for each month; rain is the monthly total. Tap a month for a detailed guide.
Want the timing decided for you? A Local Friend in Alpharetta plans around the seasons for you.
