Annual mean
Annual mean of daily highs
Annual mean of daily lows
Alpharetta city, Georgia
Official LSAD Designation: Alpharetta city • Census GEOID: 1301696
• Fulton County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Alpharetta city.
Reference Weather Station: ATLANTA PEACHTREE AP, GA US (ID: USW00053863)
• Located 13.6 miles from community center
• Elevation: 305.4 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 51.9° | 32.7° | 42.3° | 4.57" |
| February | 56.4° | 35.9° | 46.1° | 4.47" |
| March | 64.4° | 42.2° | 53.3° | 4.70" |
| April | 72.7° | 49.2° | 60.9° | 3.87" |
| May | 80.3° | 58.5° | 69.4° | 3.83" |
| June | 86.2° | 66.3° | 76.2° | 4.69" |
| July | 89.4° | 69.9° | 79.6° | 4.71" |
| August | 88.2° | 69.1° | 78.6° | 4.51" |
| September | 82.9° | 62.8° | 72.9° | 4.12" |
| October | 72.8° | 50.9° | 61.9° | 3.39" |
| November | 62.5° | 40.6° | 51.5° | 4.21" |
| December | 54.4° | 35.5° | 44.9° | 4.36" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station ATLANTA PEACHTREE AP, GA US (ID: USW00053863) • 13.6 miles from community center .
This is the same reference station used for monthly normals.
Source: NOAA NCEI Global Summary of the Year.
Annual temperature data table (°F)
| Year | Annual mean (°F) | Annual mean of daily highs (°F) | Annual mean of daily lows (°F) |
|---|---|---|---|
| 2010 | 61.4 | 72.0 | 50.8 |
| 2011 | 63.0 | 73.7 | 52.2 |
| 2012 | 63.8 | 74.3 | 53.3 |
| 2013 | 60.7 | 70.2 | 51.2 |
| 2014 | 60.4 | 71.3 | 49.5 |
| 2015 | 63.1 | 73.2 | 53.0 |
| 2016 | 64.4 | 75.4 | 53.4 |
| 2017 | 63.6 | 74.0 | 53.3 |
| 2018 | 62.5 | 72.3 | 52.7 |
| 2019 | 63.4 | 73.9 | 52.8 |
| 2020 | 62.4 | 72.2 | 52.5 |
| 2021 | 62.5 | 72.8 | 52.1 |
| 2022 | 62.1 | 72.8 | 51.4 |
| 2023 | 63.1 | 73.5 | 52.6 |
| 2024 | 63.5 | 74.2 | 52.8 |
| 2025 | 63.1 | 73.9 | 52.3 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.