West Island (Keeling Islands) weather by month
Cocos (Keeling) Islands

The best time to visit West Island (Keeling Islands) is August to October — 89/100 in October, 29°C and 8 rainy days. The best season is the dry season, July to November (84/100 on average).
The worst month is June at 70/100 — hot, soaked, muggy air. See June →
Updated September 2026 · climate normals from ERA5 reanalysis
West Island, month by month
Comfort score out of 100 for the kind of trip West Island 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 | 80 | A | 30°C | 16 d | 11 h | Shoulder | 2 |
| FebFebruary | 78 | B | 31°C | 16 d | 11 h | Shoulder | 2 |
| MarMarch | 71 | B | 30°C | 20 d | 10 h | Quiet | 1 |
| AprApril | 78 | B | 31°C | 20 d | 10 h | Shoulder | 1 |
| MayMay | 78 | B | 30°C | 21 d | 10 h | Quiet | 1 |
| JunJune | 70 | B | 29°C | 21 d | 10 h | Quiet | 1 |
| JulJuly | 80 | A | 29°C | 19 d | 10 h | Shoulder | 1 |
| AugAugust | 83 | A | 28°C | 16 d | 10 h | Busy | 1 |
| SepSeptember | 86 | A | 29°C | 9 d | 11 h | Busy | 1 |
| OctOctober | 89 | A | 29°C | 8 d | 11 h | Busy | 1 |
| NovNovember | 83 | A | 29°C | 10 d | 11 h | Shoulder | 1 |
| DecDecember | 79 | B | 30°C | 13 d | 11 h | Shoulder | 2 |
What's on in West Island 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 West Island in October
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.
Busyschool holidays in 4 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet