Olympic National Park weather in June
June in Olympic National Park: cool, rainy, with clean air — an excellent time to visit.
#3 of 12 months in Olympic National Park · #210 of 604 destinations to visit in June · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Olympic National Park climate normals — June
| Daytime high | 15°C / 58°F | 🙂 cool |
|---|---|---|
| Nighttime low | 5°C / 41°F | |
| Feels like (high) | 14°C / 57°F | |
| Rainfall | 88 mm / 3.5 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 4°C / 39°F | |
| Sunshine | 12.4 h/day | |
| Daylight | 15.9 h | |
| Wind | 10 km/h / 6 mph | |
| Snowfall | 0.7 cm / 0.3 in | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Olympic National Park?
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Olympic National Park in June — FAQ
- Is June a good time to visit Olympic National Park?
- June in Olympic National Park: cool, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Olympic National Park on SeasonMap's comfort score (86/100).
- What is the weather like in Olympic National Park in June?
- In June, Olympic National Park averages a daily high of 14.7°C and a low of 5°C, with about 88.3 mm of rain over roughly 12.8 rainy days.
- What is the air quality in Olympic National Park in June?
- Olympic National Park has a mean US Air Quality Index of about 40 in June.