Historical Weather Records & Monthly Climate for Alpharetta, GA

All-Time High
105°F
All-Time Low
5°F
Max Daily Snow
1"
Max Daily Rain
5.87"
Max Snow Depth
0

Monthly Climate Averages for Alpharetta, GA

Based on 30 years of historical data (1994 - 2023)

MonthHigh (°F)Low (°F)Precip (in)Snow (in)
January50°35°4.53"0.69"
February54°38°4.8"0.93"
March62°44°4.82"0.07"
April70°51°4.15"0
May78°59°3.67"0
June84°67°4.42"0
July87°70°4.71"0
August86°70°4.53"0
September80°64°4.13"0
October71°54°3.48"0
November61°44°3.79"0
December53°38°4.79"0.41"

Historical Weather Extremes for Alpharetta, GA

Based on 80+ years of archive data (1940 - 2024)

🔥
Longest Heatwave
22 Days
1969
Consecutive days ≥ 90°F
🧊
Deepest Freeze
5 Days
1940
Consecutive days ≤ 32°F
🏜️
Longest Drought
30 Days
1952
Consecutive days w/o rain
Wettest Month
15.89"
September 2009
Most rainfall in one month
Snowiest Month
1"
February 2020
Most snowfall in one month

More Historical Climate Data for Cities in


GA