Flagstaff weather in July
July in Flagstaff: hot, rainy — an excellent time to visit.
#7 of 12 months in Flagstaff · #408 of 897 destinations to visit in July · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Flagstaff in July
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Flagstaff climate normals — July
| Daytime high | 29°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 17°C / 62°F | |
| Rainfall | 136 mm / 5.3 in | 🌧 rainy |
| Rainy days | 15 days | |
| Humidity | 44% | 🍃 comfortable |
| Dew point | 8°C / 46°F | |
| Sunshine | 12.3 h/day | |
| Daylight | 14.3 h | |
| Wind | 13 km/h / 8 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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Flagstaff in July — FAQ
- Is July a good time to visit Flagstaff?
- July in Flagstaff: hot, rainy — an excellent time to visit. It ranks #7 of 12 months for Flagstaff on SeasonMap's comfort score (82/100).
- What is the weather like in Flagstaff in July?
- In July, Flagstaff averages a daily high of 29.3°C and a low of 16.7°C, with about 135.6 mm of rain over roughly 15 rainy days.
- What is the air quality in Flagstaff in July?
- Flagstaff has a mean US Air Quality Index of about 52 in July.