Mount Rainier National Park weather in June
June in Mount Rainier National Park: cold, rainy, with clean air — a great time to visit.
#4 of 12 months in Mount Rainier National Park · #343 of 604 destinations to visit in June · comfort 79/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Mount Rainier National Park climate normals — June
| Daytime high | 8°C / 47°F | 🧥 cold |
|---|---|---|
| Nighttime low | -1°C / 30°F | |
| Feels like (high) | 6°C / 43°F | |
| Rainfall | 89 mm / 3.5 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | -2°C / 29°F | |
| Sunshine | 11.8 h/day | |
| Daylight | 15.8 h | |
| Wind | 11 km/h / 7 mph | |
| Snowfall | 1.6 cm / 0.6 in | |
| 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 June — FAQ
- Is June a good time to visit Mount Rainier National Park?
- June in Mount Rainier National Park: cold, rainy, with clean air — a great time to visit. It ranks #4 of 12 months for Mount Rainier National Park on SeasonMap's comfort score (79/100).
- What is the weather like in Mount Rainier National Park in June?
- In June, Mount Rainier National Park averages a daily high of 8.2°C and a low of -1.2°C, with about 89 mm of rain over roughly 13 rainy days.
- What is the air quality in Mount Rainier National Park in June?
- Mount Rainier National Park has a mean US Air Quality Index of about 38 in June.
- Does it snow in Mount Rainier National Park in June?
- Mount Rainier National Park sees roughly 1.6 cm of snowfall in June.