Mauna Kea stargazing in June 2027
Stargazing at the visitor station (2,800 m). The summit requires 4x4 and acclimatisation.
Tue 1 Jun to Wed 30 Jun 2027
Best night: Fri 4 June 2027
Dark from 20:23 to 04:21 · 8.0 h without the moon · Milky Way core: 7.5 h
| Night of | Moon | Dark hours | Moon-free | Milky Way core | Score |
|---|---|---|---|---|---|
| Tue 1 Jun | 8% | 8.0 | 7.3 | 6.5 h | 98 |
| Wed 2 Jun | 3% | 8.0 | 8.0 | 7.3 h | 98 |
| Thu 3 Jun | 0% | 8.0 | 8.0 | 7.3 h | 98 |
| Fri 4 Jun | 1% | 8.0 | 8.0 | 7.5 h | 98 |
| Sat 5 Jun | 3% | 8.0 | 7.8 | 7.5 h | 98 |
| Sun 6 Jun | 9% | 8.0 | 6.8 | 6.8 h | 97 |
| Mon 7 Jun | 17% | 8.0 | 6.0 | 6.0 h | 95 |
| Tue 8 Jun | 26% | 8.0 | 5.3 | 5.3 h | 91 |
| Wed 9 Jun | 37% | 8.0 | 4.5 | 4.5 h | 85 |
| Thu 10 Jun | 49% | 8.0 | 4.0 | 4.0 h | 78 |
| Fri 11 Jun | 60% | 8.0 | 3.3 | 3.3 h | 69 |
| Sat 12 Jun | 71% | 8.0 | 2.7 | 2.7 h | 58 |
| Sun 13 Jun | 80% | 8.0 | 2.0 | 2.0 h | 47 |
| Mon 14 Jun | 88% | 8.0 | 1.3 | 1.3 h | 36 |
| Tue 15 Jun | 94% | 8.0 | 0.7 | 0.7 h | 25 |
| Wed 16 Jun | 98% | 8.0 | 0.0 | moonlit only | 15 |
| Thu 17 Jun | 100% | 8.0 | 0.0 | moonlit only | 14 |
| Fri 18 Jun | 100% | 8.0 | 0.0 | moonlit only | 14 |
| Sat 19 Jun | 98% | 8.0 | 0.0 | moonlit only | 15 |
| Sun 20 Jun | 95% | 8.0 | 0.3 | moonlit only | 21 |
| Mon 21 Jun | 90% | 8.0 | 1.0 | 1.0 h | 32 |
| Tue 22 Jun | 83% | 8.0 | 1.7 | 1.7 h | 42 |
| Wed 23 Jun | 76% | 8.0 | 2.2 | 2.2 h | 51 |
| Thu 24 Jun | 67% | 8.0 | 2.7 | 2.7 h | 60 |
| Fri 25 Jun | 57% | 8.0 | 3.3 | 3.3 h | 70 |
| Sat 26 Jun | 47% | 8.0 | 3.8 | 3.8 h | 77 |
| Sun 27 Jun | 37% | 8.0 | 4.5 | 4.5 h | 85 |
| Mon 28 Jun | 27% | 8.0 | 5.2 | 5.2 h | 90 |
| Tue 29 Jun | 18% | 8.0 | 5.8 | 5.8 h | 94 |
| Wed 30 Jun | 10% | 8.0 | 6.8 | 6.8 h | 97 |
Rank your own travel dates Mauna Kea stargazing tours
Questions
What is the best night for stargazing at Mauna Kea in June 2027?
The best nights are Fri 4 Jun, Sat 5 Jun, Wed 2 Jun, Thu 3 Jun, Tue 1 Jun, when the sky is fully dark and the moon is down for most of the night.
Can you see the Milky Way core at Mauna Kea in June?
Yes, on 25 nights the galactic centre is above 10° during moon-free darkness, up to 7.5 hours a night.
Mauna Kea stargazing by month
Weather is not included. Times are local (Pacific/Honolulu).