Aoraki Mount Cook (Mount Cook) weather by month
New Zealand

The best time to visit Aoraki Mount Cook (Mount Cook) is January to March — 84/100 in February, 18°C and 13 rainy days. The best season is summer, December to February (81/100 on average).
The worst month is July at 55/100 — cold, soaked, clean air. See July →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit New Zealand →
Aoraki Mount Cook, month by month
Comfort score out of 100 for the kind of trip Aoraki Mount Cook is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 82 | A | 18°C | 17 d | 11 h | Peak | 3 |
| FebFebruary | 84 | A | 18°C | 13 d | 11 h | Busy | 2 |
| MarMarch | 81 | A | 17°C | 14 d | 9 h | Busy | 1 |
| AprApril | 72 | B | 13°C | 14 d | 8 h | Busy | 2 |
| MayMay | 63 | C | 10°C | 16 d | 6 h | Shoulder | 1 |
| JunJune | 59 | D | 5°C | 14 d | 6 h | Quiet | 2 |
| JulJuly | 55 | D | 4°C | 16 d | 6 h | Busy | 2 |
| AugAugust | 61 | C | 5°C | 16 d | 7 h | Shoulder | 2 |
| SepSeptember | 60 | C | 7°C | 17 d | 8 h | Busy | 2 |
| OctOctober | 67 | C | 9°C | 20 d | 9 h | Busy | 1 |
| NovNovember | 74 | B | 14°C | 19 d | 11 h | Shoulder | 2 |
| DecDecember | 77 | B | 16°C | 20 d | 12 h | Peak | 3 |
What's on in Aoraki Mount Cook through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Aoraki Mount Cook in February
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Busyone of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet