Mount Rainier National Park weather in July
July in Mount Rainier National Park: cool, dry, with clean air — one of the best months to visit.
#2 of 12 months in Mount Rainier National Park · #78 of 604 destinations to visit in July · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Mount Rainier National Park climate normals — July
| Daytime high | 14°C / 58°F | 🙂 cool |
|---|---|---|
| Nighttime low | 3°C / 37°F | |
| Feels like (high) | 12°C / 54°F | |
| Rainfall | 19 mm / 0.8 in | ☀️ dry |
| Rainy days | 5 days | |
| Humidity | 66% | 💧 humid |
| Dew point | 2°C / 35°F | |
| Sunshine | 13.2 h/day | |
| Daylight | 15.4 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Mount Rainier National Park?
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Mount Rainier National Park in July — FAQ
- Is July a good time to visit Mount Rainier National Park?
- July in Mount Rainier National Park: cool, dry, with clean air — one of the best months to visit. It ranks #2 of 12 months for Mount Rainier National Park on SeasonMap's comfort score (90/100).
- What is the weather like in Mount Rainier National Park in July?
- In July, Mount Rainier National Park averages a daily high of 14.2°C and a low of 2.5°C, with about 19.4 mm of rain over roughly 4.6 rainy days.
- What is the air quality in Mount Rainier National Park in July?
- Mount Rainier National Park has a mean US Air Quality Index of about 38 in July.