Weather · Alpharetta, United States
Alpharetta Weather in March
March in Alpharetta averages 18°C by day and 7°C at night, with about 172mm of rain. That makes it a reasonable time to visit.
Avg high
18°C
64°F
Avg low
7°C
45°F
Rainfall
172mm
#3 wettest of 12
What to pack
Layers, plus a jacket for mornings and nights. Pack a rain jacket or travel umbrella, showers are frequent this month.
Timing a trip around the weather? A Local Friend in Alpharetta builds it around the season for you.