Haleakala National Park weather in June
June in Haleakala National Park: cool, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Haleakala National Park · #118 of 604 destinations to visit in June · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Haleakala National Park climate normals — June
| Daytime high | 16°C / 61°F | 🙂 cool |
|---|---|---|
| Nighttime low | 12°C / 54°F | |
| Feels like (high) | 14°C / 57°F | |
| Rainfall | 48 mm / 1.9 in | 🌦 some rain |
| Rainy days | 16 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 9°C / 49°F | |
| Sunshine | 12.4 h/day | |
| Daylight | 13.4 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Haleakala National Park?
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Haleakala National Park in June — FAQ
- Is June a good time to visit Haleakala National Park?
- June in Haleakala National Park: cool, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Haleakala National Park on SeasonMap's comfort score (89/100).
- What is the weather like in Haleakala National Park in June?
- In June, Haleakala National Park averages a daily high of 16°C and a low of 12.2°C, with about 47.8 mm of rain over roughly 16.2 rainy days.
- What is the air quality in Haleakala National Park in June?
- Haleakala National Park has a mean US Air Quality Index of about 42 in June.