Yellowstone National Park weather in July
July in Yellowstone National Park: nice, dry — one of the best months to visit.
#2 of 12 months in Yellowstone National Park · #87 of 604 destinations to visit in July · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Yellowstone National Park climate normals — July
| Daytime high | 23°C / 74°F | 😎 nice |
|---|---|---|
| Nighttime low | 8°C / 47°F | |
| Feels like (high) | 21°C / 70°F | |
| Rainfall | 24 mm / 0.9 in | ☀️ dry |
| Rainy days | 8 days | |
| Humidity | 46% | 🍃 comfortable |
| Dew point | 3°C / 37°F | |
| Sunshine | 13.4 h/day | |
| Daylight | 15.1 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 51 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Yellowstone National Park in July — FAQ
- Is July a good time to visit Yellowstone National Park?
- July in Yellowstone National Park: nice, dry — one of the best months to visit. It ranks #2 of 12 months for Yellowstone National Park on SeasonMap's comfort score (90/100).
- What is the weather like in Yellowstone National Park in July?
- In July, Yellowstone National Park averages a daily high of 23.3°C and a low of 8.1°C, with about 24.1 mm of rain over roughly 8 rainy days.
- What is the air quality in Yellowstone National Park in July?
- Yellowstone National Park has a mean US Air Quality Index of about 51 in July.