Grand Teton National Park weather in July
July in Grand Teton National Park: warm, dry, with clean air — one of the best months to visit.
#1 of 12 months in Grand Teton National Park · #28 of 604 destinations to visit in July · comfort 93/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Grand Teton National Park climate normals — July
| Daytime high | 25°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 9°C / 49°F | |
| Feels like (high) | 24°C / 75°F | |
| Rainfall | 25 mm / 1 in | ☀️ dry |
| Rainy days | 8 days | |
| Humidity | 46% | 🍃 comfortable |
| Dew point | 5°C / 41°F | |
| Sunshine | 13.5 h/day | |
| Daylight | 15.1 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 48 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Grand Teton National Park?
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Grand Teton National Park in July — FAQ
- Is July a good time to visit Grand Teton National Park?
- July in Grand Teton National Park: warm, dry, with clean air — one of the best months to visit. It ranks #1 of 12 months for Grand Teton National Park on SeasonMap's comfort score (93/100).
- What is the weather like in Grand Teton National Park in July?
- In July, Grand Teton National Park averages a daily high of 25.4°C and a low of 9.3°C, with about 25 mm of rain over roughly 7.8 rainy days.
- What is the air quality in Grand Teton National Park in July?
- Grand Teton National Park has a mean US Air Quality Index of about 48 in July.