Glacier National Park weather in July
July in Glacier National Park: nice, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Glacier National Park · #3 of 604 destinations to visit in July · comfort 96/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Glacier National Park climate normals — July
| Daytime high | 22°C / 71°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 50°F | |
| Feels like (high) | 20°C / 68°F | |
| Rainfall | 32 mm / 1.2 in | 🌦 some rain |
| Rainy days | 7 days | |
| Humidity | 55% | 🍃 comfortable |
| Dew point | 6°C / 42°F | |
| Sunshine | 13.8 h/day | |
| Daylight | 15.7 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Glacier National Park?
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Glacier National Park in July — FAQ
- Is July a good time to visit Glacier National Park?
- July in Glacier National Park: nice, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Glacier National Park on SeasonMap's comfort score (96/100).
- What is the weather like in Glacier National Park in July?
- In July, Glacier National Park averages a daily high of 21.5°C and a low of 10°C, with about 31.5 mm of rain over roughly 7 rainy days.
- What is the air quality in Glacier National Park in July?
- Glacier National Park has a mean US Air Quality Index of about 45 in July.