SeasonMapWest Island (Keeling Islands) weather in January
Cocos (Keeling) Islands
January in West Island: sweltering, soaked, with clean air — fine if you can take 16 rainy days.
#5 of 12 months in West Island · #478 of 1383 destinations to visit in January · comfort 80/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on West Island in January
No notes yet. Open West Island on the map to add the first one.
West Island climate normals — January
| Daytime high | 30°C / 87°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Feels like (high) | 34°C / 93°F | |
| Sea temperature | 28°C / 82°F | 😎 warm sea |
| Rainfall | 153 mm / 6 in | ⛈ soaked |
| Rainy days | 16 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 10.8 h/day | |
| Daylight | 12.7 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in West Island in January
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.
Shoulder seasonschool holidays in 5 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for West Island's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherWest Island's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in West Island in January
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Cyclone season
1 Nov – 30 Apr · usuallyCyclones in this part of the Indian Ocean are likeliest in the early months of the year. Direct hits on the atoll are rare, but a system passing nearby still grounds the flight and stirs up the lagoon crossing between the two inhabited islands. Source ↗
- Nature
Reef fish spawning season
1 Dec – 28 Feb · usuallyWildlife seasonThe islands' one dive operator times trips to the reef's summer breeding activity: giant triggerfish nesting at Canyons and bump-head parrotfish gathering to spawn at Cologne Gardens, both easiest to see across December to February. Source ↗
Where is West Island?
West Island in January — FAQ
- Is January a good time to visit West Island?
- January in West Island: sweltering, soaked, with clean air — fine if you can take 16 rainy days. It ranks #5 of 12 months for West Island on SeasonMap's comfort score (80/100).
- What is the weather like in West Island in January?
- In January, West Island averages a daily high of 30.4°C and a low of 24.9°C, with about 152.6 mm of rain over roughly 15.9 rainy days.
- What is the air quality in West Island in January?
- West Island has a mean US Air Quality Index of about 45 in January.