Alpharetta
United States · North America
Year-round range: 36°F to 87°F
May
Excellent conditions this month
Your monthly fit score
Comfort fit by month.
Climate details▼
Temperature
Average highs and lows.
May has comfortable temperatures — not too hot, not too cold.
Shaded band = typical daily swing (P10 of night lows to P90 of afternoon peaks) — spans wider than avg high/low lines because it captures day-to-day variation.
| = MayRainfall
Monthly rain and rain days.
May has moderate rainfall — occasional showers but mostly manageable.
Sunshine
Average hours of bright sun per day.
May is sunny overall, with occasional showers to plan around.
Air comfort by month
Humidity and heat feel by month.
May is mostly comfortable — low heat and humidity pressure.
Time-of-day patterns
Typical hourly rhythm for May.
Temperature by hour
Temperature by hour and month
Typical temperature through the day across the year (1996-2025 normals, local time). Shaded cells are nighttime.
In May, afternoons reach about 78° and nights settle near 61°.
▶Full month-by-month data
| Month | High °F | Low °F | Rain days | Rain (in) | Sun h/day | Humidity |
|---|---|---|---|---|---|---|
| Jan | 51°F | 36°F | 10 | 4.7in | 5.3h | 69.28571428571428% |
| Feb | 56°F | 39°F | 10 | 4.5in | 5.4h | 68.14285714285714% |
| Mar | 63°F | 45°F | 10 | 4.9in | 6.4h | 65.57142857142857% |
| Apr | 71°F | 52°F | 9 | 4.1in | 7.7h | 64.57142857142857% |
| May | 78°F | 60°F | 10 | 3.5in | 8h | 68.14285714285714% |
| Jun | 84°F | 68°F | 13 | 4.2in | 7.9h | 70.71428571428571% |
| Jul | 87°F | 71°F | 15 | 4.3in | 7.7h | 72.28571428571428% |
| Aug | 86°F | 70°F | 13 | 4.2in | 7.5h | 73.42857142857143% |
| Sep | 81°F | 65°F | 8 | 3.7in | 7.7h | 70.28571428571428% |
| Oct | 72°F | 55°F | 7 | 3.2in | 7.6h | 68% |
| Nov | 62°F | 45°F | 8 | 3.8in | 6.4h | 68.42857142857142% |
| Dec | 54°F | 39°F | 10 | 4.6in | 4.8h | 73.28571428571428% |