Mauna Kea stargazing in January 2027
Stargazing at the visitor station (2,800 m). The summit requires 4x4 and acclimatisation.
Fri 1 Jan to Sun 31 Jan 2027
Best night: Mon 4 January 2027
Dark from 19:16 to 05:41 · 10.2 h without the moon · Milky Way core: below horizon
| Night of | Moon | Dark hours | Moon-free | Milky Way core | Score |
|---|---|---|---|---|---|
| Fri 1 Jan | 25% | 10.5 | 7.5 | below horizon | 94 |
| Sat 2 Jan | 17% | 10.5 | 8.5 | below horizon | 97 |
| Sun 3 Jan | 10% | 10.5 | 9.3 | below horizon | 99 |
| Mon 4 Jan | 5% | 10.5 | 10.2 | below horizon | 100 |
| Tue 5 Jan | 2% | 10.5 | 10.5 | below horizon | 100 |
| Wed 6 Jan | 0% | 10.5 | 10.5 | below horizon | 100 |
| Thu 7 Jan | 0% | 10.5 | 10.5 | below horizon | 100 |
| Fri 8 Jan | 2% | 10.5 | 10.5 | below horizon | 100 |
| Sat 9 Jan | 6% | 10.5 | 9.8 | below horizon | 100 |
| Sun 10 Jan | 11% | 10.5 | 9.0 | below horizon | 99 |
| Mon 11 Jan | 18% | 10.5 | 8.2 | below horizon | 97 |
| Tue 12 Jan | 27% | 10.5 | 7.3 | below horizon | 93 |
| Wed 13 Jan | 36% | 10.5 | 6.3 | below horizon | 88 |
| Thu 14 Jan | 47% | 10.5 | 5.5 | below horizon | 81 |
| Fri 15 Jan | 58% | 10.5 | 4.5 | below horizon | 72 |
| Sat 16 Jan | 69% | 10.5 | 3.5 | below horizon | 61 |
| Sun 17 Jan | 79% | 10.5 | 2.3 | below horizon | 48 |
| Mon 18 Jan | 87% | 10.3 | 1.2 | below horizon | 34 |
| Tue 19 Jan | 94% | 10.3 | 0.2 | below horizon | 21 |
| Wed 20 Jan | 98% | 10.3 | 0.0 | below horizon | 16 |
| Thu 21 Jan | 100% | 10.3 | 0.0 | below horizon | 15 |
| Fri 22 Jan | 99% | 10.3 | 0.0 | below horizon | 16 |
| Sat 23 Jan | 95% | 10.3 | 0.5 | below horizon | 23 |
| Sun 24 Jan | 89% | 10.3 | 1.5 | below horizon | 35 |
| Mon 25 Jan | 81% | 10.3 | 2.3 | below horizon | 47 |
| Tue 26 Jan | 72% | 10.3 | 3.3 | below horizon | 59 |
| Wed 27 Jan | 62% | 10.3 | 4.2 | moonlit only | 69 |
| Thu 28 Jan | 51% | 10.3 | 5.2 | moonlit only | 78 |
| Fri 29 Jan | 41% | 10.3 | 6.0 | moonlit only | 85 |
| Sat 30 Jan | 32% | 10.3 | 7.0 | moonlit only | 91 |
| Sun 31 Jan | 23% | 10.3 | 7.8 | moonlit only | 95 |
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Questions
What is the best night for stargazing at Mauna Kea in January 2027?
The best nights are Mon 4 Jan, Tue 5 Jan, Wed 6 Jan, Thu 7 Jan, Fri 8 Jan, 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 January?
Not really: in January the galactic centre is below the horizon or only up in twilight or moonlight.
Mauna Kea stargazing by month
Weather is not included. Times are local (Pacific/Honolulu).