Scottsdale weather in May
May in Scottsdale: hot, dry — a great time to visit.
#6 of 12 months in Scottsdale · #399 of 604 destinations to visit in May · comfort 77/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Scottsdale climate normals — May
| Daytime high | 35°C / 95°F | 🥵 hot |
|---|---|---|
| Nighttime low | 19°C / 66°F | |
| Feels like (high) | 32°C / 90°F | |
| Rainfall | 2 mm / 0.1 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 17% | 🌵 dry |
| Dew point | -2°C / 29°F | |
| Sunshine | 12.8 h/day | |
| Daylight | 13.9 h | |
| Wind | 17 km/h / 10 mph | |
| Air quality (US AQI) | 59 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Scottsdale in May — FAQ
- Is May a good time to visit Scottsdale?
- May in Scottsdale: hot, dry — a great time to visit. It ranks #6 of 12 months for Scottsdale on SeasonMap's comfort score (77/100).
- What is the weather like in Scottsdale in May?
- In May, Scottsdale averages a daily high of 34.8°C and a low of 18.8°C, with about 1.7 mm of rain over roughly 0.6 rainy days.
- What is the air quality in Scottsdale in May?
- Scottsdale has a mean US Air Quality Index of about 59 in May.