Unlock more jurisdiction sub-pages
Subscribe for full sub-page depth, saves, alerts, and exports.
Weather & Climate
Alpharetta, Georgia, United States
Overview
Available climate summaries for Alpharetta. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
16.1°C
Summer Avg
25.8°C
Winter Avg
6°C
Record High
42.1°C
Record Low
-14.5°C
Annual Precipitation
1291.2 mm
Avg Humidity
76%
Summer Humidity
71%
Winter Humidity
82%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 23.2° | 4.7° | -14.5° | 106.6 | 82% | 80 | 35.1 |
| Feb | 25° | 6.7° | -11.4° | 117 | 82% | 87 | 39.2 |
| Mar | 28.5° | 11.1° | -7.5° | 118.7 | 80% | 130 | 35.4 |
| Apr | 31.3° | 15.7° | -5° | 99.9 | 78% | 164 | 33.7 |
| May | 35° | 20.4° | 2.7° | 102 | 76% | 187 | 29.4 |
| Jun | 42.1° | 24.8° | 11° | 108.6 | 73% | 188 | 21.3 |
| Jul | 41.6° | 26.5° | 13.3° | 120.9 | 71% | 186 | 30.1 |
| Aug | 40.4° | 26.2° | 12.3° | 101.4 | 70% | 173 | 28.9 |
| Sep | 38.9° | 22.9° | 5.3° | 95.4 | 70% | 145 | 42.7 |
| Oct | 38.1° | 16.8° | -1.9° | 88.4 | 71% | 121 | 33.7 |
| Nov | 29.2° | 10.5° | -7.1° | 99.3 | 74% | 89 | 32.6 |
| Dec | 24.9° | 6.5° | -10.3° | 133 | 82% | 68 | 31.1 |
Data sources
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
Subscribe to unlock more jurisdiction sub-pages this month.
You can keep discovering Oyster publicly, but full multi-jurisdiction depth, tracking, alerts, and exports are part of paid access.