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West Island has a climate.
Here's what West Island's climate is actually like through the year.
What this climate feels like
The four things a regular visitor actually wants to know:
Highs near 86°F in March. About 2 days a year above 90 °F.
Lows near 75°F in August.
Not enough data.
Cloudy skies much of the year.
West Island sits near a climate boundary
This city sits right on the line between the current type and the next type along. Different climate maps file it on different sides of that line; the lived weather doesn't change at the line — it's a naming boundary, not a wall.
Has West Island's climate type changed?
Stable — West Island's climate has held the same type between the 1971–2000 and 1991–2020 normals. The label is steady; the climate beneath it is still warming.
Where these numbers come from
The climate type and the month-by-month figures on this page are computed from West Island's measured 30-year climate normals (1991–2020) — the same official records behind West Island's main climate page, so the two always agree.
Long-range climate maps measure things slightly differently and can place a city in a neighbouring category. Where they differ, this page uses the measured station record as the climate today.
Methodology & sources
Temperature — 1991–2020 normals computed from 28 years of daily observations at Cocos Island Aero, a weather station, about 3 km from the city centre. The underlying daily records come from NOAA's global station network.