West Island (Keeling Islands) weather by month
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
Best season: July to November (84/100 on average) · worst June (70/100)
- Days
- 29°C
- Nights
- 25°C
- Wet days
- 8
- Sun
- 10.9 h
- Humidity
- 77%
- Daylight
- 12 h

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.
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 3 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Traveller notes on West Island
What people who have been say about the place — the year-round notes first, then month by month.
Cocos (Keeling) Islands forum posters describe the climate as close to a permanent 28C, with a near-constant wind except during the 'doldrums' stretch from December into January or February, when the air goes hot and still. Locals specifically steer visitors away from that doldrums window and toward the rest of the year instead, which puts April - well clear of the doldrums but still ahead of the widely recommended July-through-October peak - in solid shape for steady breeze and the island's usual warm, settled conditions.
Forum posters describe October in the Cocos (Keeling) Islands as genuinely beautiful, with temperatures holding constant in the 23-31C range, alongside increased humidity but less wind than the windier winter months. Posters describe a clear seasonal pattern here: November through March runs balmy with just slight breezes, July through September brings the strongest winds (prime kite and wind-surfing season), and October sits as the standout transition month with the calmer, most pleasant conditions of the year. Posters generally rate the islands as a year-round paradise regardless of season, but consistently single out October specifically for combining warm, settled weather with a welcome break from the stronger winds of the preceding months.
Add your own note from West Island's card on the map.