Hermosillo weather in July
July in Hermosillo: sweltering, dry, with clean air — not the time — 39°C afternoons.
#11 of 12 months in Hermosillo · #856 of 897 destinations to visit in July · comfort 44/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Hermosillo in July
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Hermosillo climate normals — July
| Daytime high | 39°C / 103°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 28°C / 82°F | |
| Rainfall | 27 mm / 1.1 in | ☀️ dry |
| Rainy days | 8 days | |
| Humidity | 45% | 🍃 comfortable |
| Dew point | 19°C / 66°F | |
| Sunshine | 12.5 h/day | |
| Daylight | 13.8 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Hermosillo in July — FAQ
- Is July a good time to visit Hermosillo?
- July in Hermosillo: sweltering, dry, with clean air — not the time — 39°C afternoons. It ranks #11 of 12 months for Hermosillo on SeasonMap's comfort score (44/100).
- What is the weather like in Hermosillo in July?
- In July, Hermosillo averages a daily high of 39.4°C and a low of 27.7°C, with about 26.7 mm of rain over roughly 7.8 rainy days.
- What is the air quality in Hermosillo in July?
- Hermosillo has a mean US Air Quality Index of about 41 in July.