Grand Canyon National Park weather in July
July in Grand Canyon National Park: sweltering, a little rain — one of the weakest months to visit.
#12 of 12 months in Grand Canyon National Park · #584 of 604 destinations to visit in July · comfort 35/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Grand Canyon National Park climate normals — July
| Daytime high | 39°C / 101°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 38°C / 100°F | |
| Rainfall | 34 mm / 1.4 in | 🌦 some rain |
| Rainy days | 7 days | |
| Humidity | 29% | 🌵 dry |
| Dew point | 9°C / 48°F | |
| Sunshine | 12.7 h/day | |
| Daylight | 14.3 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 52 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Grand Canyon National Park in July — FAQ
- Is July a good time to visit Grand Canyon National Park?
- July in Grand Canyon National Park: sweltering, a little rain — one of the weakest months to visit. It ranks #12 of 12 months for Grand Canyon National Park on SeasonMap's comfort score (35/100).
- What is the weather like in Grand Canyon National Park in July?
- In July, Grand Canyon National Park averages a daily high of 38.5°C and a low of 24.7°C, with about 34.3 mm of rain over roughly 7 rainy days.
- What is the air quality in Grand Canyon National Park in July?
- Grand Canyon National Park has a mean US Air Quality Index of about 52 in July.